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All Jev resources

This is the full index of everything Jev: 515 entries for TypeSafe AI's flagship System One model, from official documentation, SDKs, and cookbooks to community-built clients, MCP servers, agent tools, and write-ups. Every entry is tagged by category, format, and topic, and sorted newest first.

Filter by category or tag, or search titles, descriptions, authors, and repos. Open any card for its detail page — most entries carry a verified deep dive with highlights, caveats, and a quickstart snippet.

Entries
515
Categories
5
Official
66
Community
449
Source sites
73
Deep dives
515

Last updated . Entries are added as they appear and re-checked when they are touched.

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5 ways into the ecosystem. Each category page leads with its own shortlist of starting points.

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Hand-picked entries the maintainers recommend first, from official primitives to community tools.

Workflow evals
Published evaluations of four automation workflows, security incidents, agent trace observability, invoice processing, and customer service, comparing Jev and frontier LLMs as structured workflows versus single prompts.
Practices & PatternsDocs#official#benchmarks#evaluation
Official
TypeSafeAI for .NET
4GitHub stars
.NET SDK for the System One API with typed question sets, HttpClientFactory and dependency-injection wiring, plus Microsoft.Extensions.AI guardrail, routing, tool, and evaluator adapters.
Repos & SDKs#community#sdk#csharp
CommunityHawxy/TypeSafeAI.NetC#
TypeSafeAI (tryAGI .NET SDK)
0GitHub stars
A NativeAOT-ready .NET SDK generated from TypeSafe's OpenAPI definition, with typed question sets, batching, dependency injection, and Microsoft.Extensions.AI integrations.
Repos & SDKs#community#sdk#csharp
CommunitytryAGI/TypeSafeAIC#

All 515 entries

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515 resources

Cookbooks Index
The index of TypeSafe's worked examples, from parallel questions and reranking to guardrails, date extraction, and self-consistency, each with datasets and measured results.
Sites & GuidesDocs#official#docs#cookbook
Official
Jev with Coding Agents
Guidance on how Jev fits coding agents: it is not a drop-in agent model, so the page routes readers to routing, rubric scoring, and truth checks instead.
Sites & GuidesDocs#official#docs#coding-agent
Official
Legal
The hub for TypeSafe's legal and policy documents, plus the data commitments attached to the API.
Sites & GuidesDocs#official#docs#privacy
Official
JavaScript SDK API Reference
The generated API reference for the official JavaScript SDK, listing every exported class, interface, function, and type.
Repos & SDKsDocs#official#docs#sdk
Official
Python SDK API Reference
The generated API reference for the official Python SDK, split into sync and async clients, question and response types, retries, exceptions, and constants.
Repos & SDKsDocs#official#docs#sdk
Official
Python SDK Usage
The full usage guide for the Python SDK, covering typed calls, model selection, retries, error handling, logging, environment variables, and forward compatibility.
Repos & SDKsDocs#official#docs#sdk
Official
AnyJev
632GitHub stars
Nokia Applied Research's package that turns any open LLM into a Jev-style decision model: typed questions are read from a single prefill, and the calibration fixes need no fine-tuning.
Repos & SDKs#community#python#open-models
Communitynokia-applied-research/AnyJevPython
LLM2Jev
328GitHub stars
Turns local text and vision models into Jev-style decision models by reading probabilities from prefill logits alone, with SGLang, Transformers, and Apple Silicon MLX backends.
Repos & SDKs#community#python#open-models
CommunityYinsongxu/LLM2JevPython
tev1
127GitHub stars
Together AI's open recipe and weights for a Jev-inspired decision model fine-tuned on Qwen3.5-4B, with the full data pipeline, training config, and saved benchmark results.
Repos & SDKs#community#python#open-models
Communitytogethercomputer/tev1Python
jevals
85GitHub stars
OpenLayer's eval and guardrail library that replaces LLM judges with Jev-style decisions, packing every check for an agent trace into one request.
Repos & SDKs#community#python#evaluation
Communityopenlayer-ai/jevalsPython
system1-agents
70GitHub stars
A Python toolkit that puts Jev, Laya, or Cua-S1 at the center of browser, computer-use, robotics, and game agents, with a CLI and an MCP server.
Repos & SDKs#community#python#agents
CommunityThinkFlowLab/system1-agentsPython
shapeshift
611GitHub stars
A Next.js input box that morphs into the right UI as you type, using Jev to answer 14 intent questions in one call while deterministic code computes the values.
Tools & Integrations#community#typescript#ui
Communityanishfn/shapeshiftTypeScript
perch
179GitHub stars
A semantic linting CLI that parses a repository into a method-level call graph, then asks Jev to flag likely defects and check rules written in plain English.
Tools & Integrations#community#javascript#cli
Communitylakeday-org/perchJavaScript
JevRev
302GitHub stars
A TypeScript layer beside an LLM: JevSift selects approaches, JevLoop audits progress with typed actions, and JevLong watches sessions for stalls without steering them.
Tools & Integrations#community#typescript#coding-agent
CommunityAlex314618-create/JevRevTypeScript
JevHarness
251GitHub stars
A Python framework where an authoring LLM writes a task-specific Jev harness, then optionally evolves it using reward reflection and GEPA over full trajectories.
Tools & Integrations#community#python#agents
CommunityTianyuCodings/JevHarnessPython
killmyidea
209GitHub stars
Describe a startup idea and Jev returns KILL IT, FIX IT, or SHIP IT from one request of ten scored questions, with goal-weighted scoring and a SQLite archive.
Cookbooks & Demos#community#typescript#demo
Communitymonteduro/killmyideaTypeScript
warrenduffer
92GitHub stars
An intraday trading bot for the Nifty 50: Jev ranks names every 15 seconds through the Vercel AI Gateway, and code sizes positions, stops, and flatten times.
Cookbooks & Demos#community#typescript#trading
Communityarimanyus/warrendufferTypeScript
Voice turn-end detection with Jev
A Japanese demo that asks Jev 0.5 seconds after speech ends whether the turn is really over, then extends the hold time based on the returned score.
Cookbooks & DemosPost#community#x#video
Community
Jev Radar
27GitHub stars
An independent ecosystem tracker that rescans GitHub, X, and five directories every three hours, publishing 220+ documented Jev cases with confidence grades and a JSON API.
Sites & Guides#community#directory#data
Communityeveryinfra/jev-radar
TypeSafe's Jev Explained: Why AI Decisions May Not Need a Chatbot
The Neuron's plain-English explainer on why Jev replaces the chatbot interface with parallel typed decisions, plus the vendor-reported speed and cost claims.
Sites & GuidesArticle#community#explainer#news
Community
Jev's Architecture Unmasked
A roughly 10,000-call black-box investigation that reconstructs Jev's likely architecture: a shared state prefix, isolated question branches, and direct probability readouts.
Practices & PatternsArticle#community#analysis#architecture
Community
Jev: The Language Model That Won't Talk
A critical technical read of Jev's launch claims that digs into the calibration and eval numbers and asks what the architecture keeps secret.
Practices & PatternsArticle#community#evaluation#calibration
Community
Jev in Search: Three Practical Evaluations
An independent evaluation of Jev in three retrieval stacks, with recalculated recall, latency, and cost against DeepSeek, GPT-4o-mini, and GPT-5-mini baselines.
Practices & PatternsArticle#community#search#reranking
Community
Jev explained for the normies
An explainer written for people who read everything about Jev and still did not get it, published as an X article and shared as a post.
Sites & GuidesPost#community#x#explainer
Community
Jev Engineering: turning an agent stack into a control system
A video walkthrough of the control-system pattern: a request becomes structured state, Jev returns typed decisions, and code keeps the expensive model out of every loop.
Practices & PatternsVideo#community#x#video
Community
Local Laya vs cloud Jev on Tetris
A video comparison of local Laya against cloud Jev on a Tetris agent, where the open-weights model made decisions 11 times faster on a 16 GB MacBook Air.
Practices & PatternsVideo#community#x#video
Community
Eight SEO workflows for Jev
A growth marketer's thread of eight SEO workflows Jev can run, from finding internal-link pairs to spotting cannibalizing pages and thin content.
Sites & GuidesPost#community#x#use-cases
Community
JEV ARCADE
Two browser games against a live Jev opponent: a first-person quick-scope arena and a neon survival challenge, where Jev picks tactics and authored code handles movement and physics.
Cookbooks & DemosPlayground#community#playground#games
Community
Jev Plays
Four board games against Jev where the model picks the move and code keeps the rules: tic-tac-toe, Connect Four, Battleship, and Wordle.
Cookbooks & DemosPlayground#community#playground#games
Community
Jev plays Pac-Man
An autonomous Pac-Man recreation steered by Jev: before each junction the game sends the maze, actors, and legal directions as structured data, and Jev returns one direction with a probability per option.
Cookbooks & DemosPlayground#community#playground#games
Community
Tetris × TypeSafe
A playable Tetris where you can drop pieces yourself or let the TypeSafe Choice primitive pick every move.
Cookbooks & DemosPlayground#community#playground#games
Community
Jev Chess
A live 3D chess match where Jev plays both sides with different personas and exposes the probability split behind every move.
Cookbooks & DemosPlayground#community#playground#games
Community
Crowdcheck
Test a social post on 10,000 simulated AI readers with their own jobs, tastes, and memories before the real internet sees it.
Tools & IntegrationsPlayground#community#playground#social-media
Community
Jev Playground (Formatho)
A browser builder for System One requests: define state plus Noul, Choice, and Score questions, preview mock distributions, and generate Python typesafe_sdk code.
Tools & IntegrationsPlayground#community#playground#sdk
Community
Companion
A 3D robot that understands without generating text: one TypeSafe call per turn with nine typed questions, then code decides whether to act, ask, or shrug.
Cookbooks & DemosPlayground#community#playground#embodied-agent
Community
Room
A natural-language smart-room demo: describe a mood and Jev decides lights, curtains, TV, music, volume, and desk lamp in one request.
Cookbooks & DemosPlayground#community#playground#smart-home
Community
GIF Decider
Say the moment and get reaction GIFs: Jev picks a reaction and literal subjects, then scores a KLIPY shortlist of up to 30 candidates from titles and tags.
Tools & IntegrationsPlayground#community#playground#gifs
Community
Ship Pile
Describe the startup you are looking for and Jev ranks the pile, asking once per startup whether it is a fit.
Tools & IntegrationsPlayground#community#playground#search
Community
Hollow Creek
A first-person village where NPCs remember what you do and Jev decides how they treat you, with a board of 21 outcomes to earn before nightfall.
Cookbooks & DemosPlayground#community#playground#games
Community
OpenJEV
A public Jev API funded by creator fees from a token, with a playground, docs, use cases, and a smart treasury dashboard.
Tools & IntegrationsPlayground#community#playground#api
Community
JevHub
A git host for agents where every push and pull request gets a typed Jev review, every branch move a signed certificate, and sites deploy from a repo.
Tools & IntegrationsPlayground#community#playground#code-review
Community
Jev is the FIRST of a Whole New Class of AI Models
Cole Medin's week of hands-on testing, covering where Jev gates replace regex or slow LLM calls, plus demos that play his indie game and triage every open pull request.
Sites & GuidesVideo#community#video#tutorial
Community
Will Jev Replace LLM's? What is Jev From TypeSafe AI
A Krish Naik explainer on whether Jev replaces LLMs and where decision models fit next to generative models.
Sites & GuidesVideo#community#video#explainer
Community
What is Jev? (and is laya better?)
Scott Chacon runs hosted Jev against two local decision models, laya and kev, in a Tetris match and a GitHub Settings filter, with a public test repo.
Practices & PatternsVideo#community#video#open-models
Community
TypeSafe AI Jev vs. Laya (what they are and the controversy so far)
A walkthrough of what Jev and Laya are and the prior-art controversy, including Laya's claim to have been built over a year earlier.
Sites & GuidesVideo#community#video#open-models
Community
Is Jev actually good at computer use?
A skeptical computer-use test of Jev with a public test repository, from Builder.io's Steve.
Practices & PatternsVideo#community#video#computer-use
Community
JEV Explained in 17 minutes with Code
codebasics explains why a non-generative model matters and walks through hands-on code, including the caveat that Jev cannot write text or code.
Sites & GuidesVideo#community#video#tutorial
Community
Understand Jev (the only video you need)
A chaptered walkthrough with a Python demo repo covering Noul, Choice, and Score, parallel multi-question calls, and an autonomous triage loop.
Cookbooks & DemosVideo#community#video#python
Community
Run a Jev-Style Model on Your Own GPU
A local-inference walkthrough that compares Kev, SemIf, Von, and OpenJev on consumer hardware, including Brier scores and a fake-probabilities warning.
Practices & PatternsVideo#community#video#open-models
Community
TypeSafe AI Jev: 50 Financial Jobs, Verifiable Demos & Honest Limits
A two-hour recorded run of 50 financial workflows with saved outputs, baselines, and failures, from ledger integrity to AML triage and sanctions matching.
Cookbooks & DemosVideo#community#video#finance
Community
Is Jev Really Better, Faster and Cheaper? I Put Jev To Test vs. Luna
A head-to-head benchmark that prices 200 products from descriptions with Jev against GPT-5.6 Luna and GPT-4.1-Nano.
Practices & PatternsVideo#community#video#benchmarks
Community
TypeSafe Jev: the First Decision-Only Model Class, Benchmarked and Priced
A release guide with eval tables, pricing, curl and Python examples, and fit boundaries for Jev's early access.
Sites & GuidesArticle#community#article#pricing
Community
Typed Decisions, Not Chat
A heavily footnoted claims audit that separates documented Jev facts from marketing, including the seed round, third-party tests, and missing transparency.
Sites & GuidesArticle#community#article#analysis
Community
What Is Jev? How to Implement TypeSafe AI's Decision Model
A hands-on Python guide that installs typesafe-sdk, walks through Choice, Noul, and Score, and sketches a chargeback-tool integration and benchmark plan.
Sites & GuidesArticle#community#article#tutorial
Community
He Says He Co-Invented ChatGPT. His New AI, Jev, Won't Write a Word.
A TypeScript tutorial and critical explainer covering AI SDK integration, triage code, and the zero-hallucination caveat.
Sites & GuidesArticle#community#article#typescript
Community
Jev vs Jev in Gomoku
A Japanese experiment that builds a rules-based gomoku harness and replays a full Jev-versus-Jev game log to measure real per-move latency.
Practices & PatternsArticle#community#article#games
Community
Can LLMs Do What Jev Does? A Replication Attempt
A skeptical Japanese replication that approximates Jev's speed by reading first-token logits from small LLMs, with Gemma3 and a Mario benchmark.
Practices & PatternsArticle#community#article#open-models
Community
Jev runs through years of bookmarks
A video demo of Jev working through years of hoarded Twitter bookmarks in one pass instead of reading them by hand.
Cookbooks & DemosPost#community#x#video
Community
fx auto mode benchmarked with Jev
Vercel's Pranit reports benchmarking the fx auto-mode safety classifier with Jev: about 5 to 18 times faster and more accurate than GPT-5.6 Luna.
Practices & PatternsPost#community#x#benchmark
Community
JEV is a revolution for SEO
A French SEO thread arguing Jev moves the bottleneck from writing to deciding: which page gets a link, which keyword deserves its own URL, and what content to keep.
Sites & GuidesPost#community#x#use-cases
Community
3,518 intern applications checked in 4:54
Alan's team built an intern-review console on Jev after 4,000+ applications: it checked 3,518 applications in 4 minutes 54 seconds and surfaced 20 for humans.
Cookbooks & DemosPost#community#x#video
Community
A working note on Jev harnesses for coding agents
A pointer to Diogo Almeida's independent working note on building a Jev harness for coding agents, including why harnesses already make these calls badly.
Practices & PatternsPost#community#x#coding-agent
Community
Jev plays ViZDoom with two decision channels
A ViZDoom agent with two Jev decision channels, navigation at 5 decisions per second and combat at 12, finishing a test run with 18 kills.
Cookbooks & DemosPost#community#x#video
Community
A Grammarly-like Mac app built on Jev
A Grammarly-like Mac app built on Jev to test how fast structured decisions feel in a real writing tool.
Cookbooks & DemosPost#community#x#video
Community
A Jev bot trading Kalshi markets
A small Kalshi trading bot across 15-minute and 1-hour BTC, ETH, and SOL markets, built with Effect and Cursor and powered by Jev.
Cookbooks & DemosPost#community#x#video
Community
A/B testing hooks against 100 personas
Near-real-time A/B testing of TikTok and Instagram hooks against 100 rich personas, replacing a $1 to $5 per-run panel with a few cents of Jev.
Cookbooks & DemosPost#community#x#video
Community
Jev within 5 points of a fine-tune
An internal benchmark report: Jev zero-shot came within about 5 points of recall of a fine-tuned model at matched precision, at roughly $70 a month.
Practices & PatternsPost#community#x#benchmark
Community
Shrinking gomoku from 225 moves to 40
A gomoku harness that does tactical work locally before asking Jev, shrinking 225 possible moves to about 40 candidates per turn.
Practices & PatternsPost#community#x#video
Community
Ground Truth: news framing in a browser extension
Ground Truth, a browser extension that shows the political framing, article type, topic, and loaded language of the news article you are reading.
Tools & IntegrationsPost#community#x#browser
Community
Spring AI TypeSafe Documentation
37GitHub stars
The reference site for the community Spring AI integration: a Java client plus judges, guardrails, RAG filters, and tool search built on Jev.
Repos & SDKsDocs#community#docs#java
Communityspring-ai-community/spring-ai-typesafeJava
typesafe-sdk-go Documentation
13GitHub stars
The docs site for an unofficial Go client that wraps /v1/systemone and /v1/models with typed question and answer types.
Repos & SDKsDocs#community#docs#go
Communityatharvamhaske/typesafe-sdk-goGo
TypeSafe AI
TypeSafe AI's product site for Jev, its first System One Model: typed decisions with calibrated confidence, performance and pricing claims, a FAQ, and links to the docs, console, workflow evals, and launch post.
Sites & GuidesDocs#official#docs#models
Official
Manifesto: Composable AI
TypeSafe's case for machine-native composable AI: intelligence as a dependable primitive that software branches on, rather than an assistant that keeps humans in the loop.
Sites & GuidesArticle#official#article#architecture
Official
The Bitterest Lesson
A TypeSafe blog essay arguing that in ML the order that matters is doing the right task, then data, then compute, then algorithms, using the InstructGPT result as its example.
Sites & GuidesArticle#official#article#models
Official
Workflow evals
Published evaluations of four automation workflows, security incidents, agent trace observability, invoice processing, and customer service, comparing Jev and frontier LLMs as structured workflows versus single prompts.
Practices & PatternsDocs#official#benchmarks#evaluation
Official
TypeSafe AI Discord
Official TypeSafe community Discord for support and discussion, including a Show and Tell channel where builders share demos built with Jev.
Sites & GuidesDocs#official#community#demos
Official
TypeSafe AI on X
Official X account for TypeSafe AI product and research updates, including the opening of Jev access and a note on signups being temporarily paused.
Sites & GuidesPost#official#post#updates
Official
TypeSafe AI on LinkedIn
Official LinkedIn page for TypeSafe AI with company details, launch announcements, and hiring posts, including the $40 million seed round led by DCVC.
Sites & GuidesPost#official#post#community
Official
Playground
Browser playground in the TypeSafe console for trying System One: paste state, define typed questions, and inspect answers with probabilities, confidence, latency, and usage.
Cookbooks & DemosPlayground#official#playground#demos
Official
TypeSafeAI for .NET
4GitHub stars
.NET SDK for the System One API with typed question sets, HttpClientFactory and dependency-injection wiring, plus Microsoft.Extensions.AI guardrail, routing, tool, and evaluator adapters.
Repos & SDKs#community#sdk#csharp
CommunityHawxy/TypeSafeAI.NetC#
TypeSafe UI
6GitHub stars
A shadcn/ui component library and browser for TypeSafe interfaces: 110 catalog components plus Lab scenes with source previews, install examples, and RTL-aware theming.
Repos & SDKs#community#typescript#react
CommunityTypeSafeAI/typesafe-uiTypeScript
Clarity Judge
3GitHub stars
A writing checker that runs seven named Jev questions, covering hedging, filler phrases, passive voice, tone, and actionability, and shows each verdict with its own confidence.
Cookbooks & Demos#community#typescript#writing
CommunityTypeSafeAI/clarity-judgeTypeScript
TypeSafeAI (tryAGI .NET SDK)
0GitHub stars
A NativeAOT-ready .NET SDK generated from TypeSafe's OpenAPI definition, with typed question sets, batching, dependency injection, and Microsoft.Extensions.AI integrations.
Repos & SDKs#community#sdk#csharp
CommunitytryAGI/TypeSafeAIC#
typesafeai (Go client)
2GitHub stars
A small Go client for the System One API with typed Noul, Choice, and Score question structs, developed independently of the official Python and TypeScript SDKs.
Repos & SDKs#community#sdk#go
Communitychez-shanpu/typesafeai-goGo
typesafeify (DSPy decorator)
63GitHub stars
A DSPy fork whose @typesafeify decorator routes decision-shaped signature fields to Jev, so bool, Literal, and scored outputs come back typed while freeform fields still use the LM.
Repos & SDKs#community#python#sdk
Communitytypesafeainate/dspy-typesafeifyPython
Jev Ultrafast
20.1kGitHub stars
Browser Use's ultrafast agent: Jev picks an operation and an element from an indexed action space in one request, and a small LLM writes text only when the action is TYPE_TEXT.
Tools & Integrations#community#python#browser
Communitybrowser-use/jev-ultrafastPython
Fast Jev Compaction
6.8kGitHub stars
A Claude Code plugin and npm library that replaces transcript summarization with Jev keep-or-drop judgments, deleting stale tool calls and results while kept text stays verbatim.
Tools & Integrations#community#typescript#claude-code
Communitytamaratran/fast-jev-compactionTypeScript
TypeSafe Code Guard
2GitHub stars
An MCP server for Antigravity IDE, Cursor, and Claude Code that uses Jev (jev-latest) to locate code semantically and audit git diffs, replacing broad grep sweeps of entire files.
Tools & Integrations#community#python#mcp
Communitygreenyamao/Antigravity-mcp-semantic-search-with-TypeSafeAiPython
typesafeai-review
1GitHub stars
A code reviewer built as AI-powered software rather than an LLM agent: code slices the diff, Jev answers narrow typed questions per hunk, and code composes the verdict and findings.
Tools & Integrations#community#python#coding-agent
Communityrbalch/typesafeai-reviewPython
jev-harness
15GitHub stars
A research-stage proposal-review contract in TypeScript: an LLM proposes one action, Jev answers four pinned questions, and code produces evidence the host can consider.
Tools & Integrations#community#typescript#agents
CommunityTypeSafeAI/jev-harnessTypeScript
jev-go
1GitHub stars
A hand-written Go client for the System One API, built against the vendored OpenAPI 3.1 specification with no third-party dependencies and typed Noul, Choice, and Score questions.
Repos & SDKs#community#go#sdk
Communitymheers/typesafeai-systemone-jev-goGo
TypeSafe AI Rust SDK (community)
0GitHub stars
A community Rust port of the official Python SDK with the same primitives, wire format, retries, and error semantics, plus derive macros for typed questions and answers.
Repos & SDKs#community#rust#sdk
Communitycommunity-ports/typesafeai-sdk-rust-communityRust
typesafeai-go
1GitHub stars
An unofficial, dependency-free Go SDK for the System One API that uses only the standard library, validates question limits client-side, and retries rate limits and server errors.
Repos & SDKs#community#go#sdk
Communityrefaldyrk/typesafeai-goGo
Supercov
120GitHub stars
A CLI that scores code quality by asking Jev yes/no questions about each file, runs your existing test command, and turns uncovered paths into small actionable queries for agents.
Tools & Integrations#community#rust#cli
Communitysupercorp-ai/supercovRust
Jev for Home Assistant
64GitHub stars
A Home Assistant integration that turns Jev questions about entity state into sensors and automation actions, with an Assist conversation agent and a daily token budget.
Repos & SDKs#community#python#home-assistant
CommunityAboveColin/HA-JevPython
Jev plays StarCraft shareware
26GitHub stars
A System One harness that plays the original StarCraft shareware mission Strongarm by reading structured game state and issuing mouse and keyboard commands from Jev choices.
Cookbooks & Demos#community#python#games
Communityphyous/tsai-scPython
jev-belay
18GitHub stars
A Claude Code Stop hook that reads the turn transcript locally and spends one four-question Jev call only when files changed with no passing check since, blocking unverified done claims.
Tools & Integrations#community#javascript#claude-code
Communityvalentynkit/jev-belayJavaScript
jev-commit
13GitHub stars
A pre-commit hook that answers five Jev questions about the commit message and staged diff together, warning on mismatches and blocking only on a credential-shaped line.
Tools & Integrations#community#python#coding-agent
Communityvalentynkit/jev-commitPython
jev-plays-pokemon-red
7GitHub stars
Pokémon Red under PyBoy where ordinary Python owns the route and arithmetic and Jev is asked only at branches, with each battle turn's faint prediction scored by Brier.
Cookbooks & Demos#community#python#games
Communityvalentynkit/jev-plays-pokemon-redPython
jev.nvim
7GitHub stars
Neovim plugin that splits the buffer into functions with Treesitter, asks Jev one plain-language question per function, and fills quickfix with the hits ranked by probability. It judges the unsaved buffer rather than the file on disk.
Tools & Integrations#community#neovim#lua
Communityvalentynkit/jev.nvimLua
jev-skip
5GitHub stars
Chrome and Firefox extension that reads a YouTube video's caption track and asks Jev for a sponsor probability per 30-second segment, painting the seek bar before the intro ends. It reports catching 77% of SponsorBlock's sponsor seconds across 23 videos at $0.0008 per video.
Tools & Integrations#community#typescript#chrome-extension
Communityvalentynkit/jev-skipTypeScript
Jev Router
407GitHub stars
Wrappers for Claude Code and OpenAI Codex that ask Jev to choose a model tier for each fresh user turn while preserving each CLI's native interface, tools, sessions, permissions, and authentication. Ships as the jev-claude and jev-codex commands.
Tools & Integrations#community#javascript#claude-code
Communitygargpratyush/jev-routerJavaScript
typesafe-ai-benchmark
39GitHub stars
Side-by-side benchmark of TypeSafe Jev, Qwen 3.8 27B on Cerebras, and a local Needle 3 across seven synthetic workloads, recording validated outputs, mistakes, latency, tokens, and estimated cost. Raw exports and per-scene limitations are published.
Practices & Patterns#community#typescript#benchmarks
Communityiammrduncan/typesafe-ai-benchmarkTypeScript
PlayJev
37GitHub stars
Qwen3.5-0.8B fine-tuned to play ten classic browser games from raw pixels: one frame in, one forward pass, one move out in 43 ms on an H200. Public weights and a browser demo make it an open, vision-only take on Jev-shaped game decisions.
Repos & SDKs#community#javascript#games
CommunityOmniJev/PlayJevJavaScript
Jev for Chrome
25GitHub stars
Unofficial Chrome Manifest V3 port of browser-use/jev-ultrafast: Jev picks the operation and DOM element in one request, a small text model writes typed values, and the run happens in your own tab with your logins. Ships a 17-task headless-Chromium suite.
Tools & Integrations#community#typescript#chrome-extension
Communitychy4pro/jev-for-chromeTypeScript
jev-use
27GitHub stars
Claude Code, Codex, and pi plugin plus MCP server and npm library that hands steps needing no text output to Jev: one batched call answers typed questions about a state, and an opt-in PreToolUse gate can only deny or ask.
Tools & Integrations#community#javascript#claude-code
Communityshitianfang/jev-useJavaScript
jevQL
13GitHub stars
psql-shaped CLI and Go, TypeScript, and Python SDKs that let you write jev(), jev_prob, jev_choice, and jev_score in queries against vanilla PostgreSQL, judging the surviving rows with Jev in batches. No CREATE EXTENSION or superuser required.
Tools & Integrations#community#go#postgres
Communitykylemclaren/jevqlGo
jevcal
11GitHub stars
CLI that fits a per-question confidence threshold to a target accuracy on your own labeled data, verifies it on a held-out split, estimates how much traffic still needs an LLM, and re-checks locked thresholds in CI. It publishes no Jev results of its own.
Practices & Patterns#community#python#calibration
Communityabhixhek/jevcalPython
jev-pref
9GitHub stars
CLI and GitHub Action that turn project-defined semantic preferences from AGENTS.md into Jev Noul or Choice checks over code changes, then map each result to an advisory or blocking outcome. Checks can be tuned on labeled diffs.
Tools & Integrations#community#javascript#cli
Communitydoeixd/jev-prefJavaScript
Mobile Jev
394GitHub stars
Standalone Android agent and React studio for Mobilerun, powered by Jev: Jev selects operations and observed targets, code rejects stale actions, and a CLI, execution traces, and latency measurements ship in the repo. No ADB connection required.
Tools & Integrations#community#javascript#agents
Communitydroidrun/mobile-jevJavaScript
pi-warden
144GitHub stars
Pi extension that supervises a coding agent with Jev judgments: it holds risky tool calls, checks writes against project Markdown rules, and feeds most issues back to the agent as a steer instead of interrupting you. The conscience is beta and off by default.
Tools & Integrations#community#typescript#guardrails
CommunityDevMortimer/pi-wardenTypeScript
Unclutter
267GitHub stars
WXT Chrome and Firefox extension that has Jev classify nonessential page elements through TypeSafe or Vercel AI Gateway, then stores reusable local hiding rules by page template. Paid analysis is manual by default, with an optional on-visit mode.
Tools & Integrations#community#typescript#chrome-extension
Communitykitze/unclutterTypeScript
Jev Codex Router
273GitHub stars
Local Codex Router extension that asks Jev for a model tier and thinking depth on each model call, including continuations after tools, then relays the native Responses request verbatim. Fails open on Jev errors and logs decisions locally.
Tools & Integrations#community#javascript#codex
Community0xNatoshi/jev-codex-routerJavaScript
Jev Trade
142GitHub stars
Live Hyperliquid desk across five isolated wallets where each tick packages the book, tape, and position as state and Jev answers Choice questions for long/short, open/close/hold, and leverage; hold sends no order. A missing private key means a dry run.
Cookbooks & Demos#community#typescript#trading
Communityaowang-ai/jev-tradeTypeScript
Jev Social
81GitHub stars
Local Instagram, TikTok, and LinkedIn research app where Jev makes confidence-gated typed choices over the platform and next socai operation, while deterministic Node code validates each decision and the socai CLI performs read-only browser capture.
Cookbooks & Demos#community#javascript#agents
Communitysocai-io/jev-socialJavaScript
hono-jev-router
51GitHub stars
Experimental Hono router that matches an incoming HTTP request to a plain-language route description: one yes/no Jev question per description is evaluated in a single call, and the first registered route above the threshold wins.
Repos & SDKs#community#typescript#routing
Communityyusukebe/hono-jev-routerTypeScript
jev-mcp
23GitHub stars
Python MCP server that exposes classify, score, check, match, and screen tools to MCP-compatible agents, returning typed judgments over a closed answer set with token usage and latency. Ships generic triage and routing question examples.
Tools & Integrations#community#python#mcp
Communityblakestone-x/jev-mcpPython
jev-axi
21GitHub stars
Agent-ergonomic CLI following the AXI conventions that gives coding agents Jev judgments for blocking risky tool calls, screening fetched content for prompt injection, triaging logs, flagging risky diffs, and ranking many items. Routine commands are decided locally at no cost.
Tools & Integrations#community#typescript#cli
Communityshiftynick/jev-axiTypeScript
jev-rerank-bench
8GitHub stars
Reranking benchmark that gave Jev, Cohere Rerank 4 Pro, ZeroEntropy zerank-2, and DeepSeek the same thirty BM25 candidates across eight English datasets, publishing saved responses, scoring code, and paired-bootstrap intervals. Jev's rubric scored 0.692 nDCG@10 against Cohere Pro's 0.691.
Practices & Patterns#community#python#search
Communityanessbelbati/jev-rerank-benchPython
LlamaIndex + TypeSafe Jev
7GitHub stars
Unofficial LlamaIndex reranker and router built on the official Python SDK: JevRerank scores retrieved passages and JevSingleSelector chooses which tool handles a query.
Repos & SDKs#community#python#sdk
CommunityWiktorB2004/llama-index-jevPython
typesafe-computer-use
961GitHub stars
A macOS computer-use loop that OCRs the screen, asks Jev for the next action with typed Choices, and clicks, at about $0.0002 per decision without sending screenshots to a frontier model.
Tools & Integrations#community#python#agents
Communityawlevin/typesafe-computer-usePython
LitJev
44GitHub stars
A reproduction of Jev that turns any Qwen checkpoint into a decision model serving the same /v1/systemone schema (Choice, Score, Noul), with no training and no generated answer text.
Repos & SDKs#community#python#open-models
Communityzhengxuyu/litjevPython
jev-align
288GitHub stars
An experimental Sutro CLI that evaluates CSV, Parquet, and JSONL data with Jev, asks you to label ambiguous and random audit rows, and uses GEPA to propose improved function definitions.
Tools & Integrations#community#python#cli
Communitysutro-sh/jev-alignPython
jev-eval-agent
105GitHub stars
A personal-assistant agent with 100 mocked tools that measures how many steps a task takes when the LLM picks the tool versus when Jev picks it before every model step.
Practices & Patterns#community#typescript#agents
Communityvinilana/jev-eval-agentHTML
TypeSafe Fun AdBlocker
75GitHub stars
A Manifest V3 Chrome extension that finds ad-shaped DOM elements and asks Jev, one noul question per candidate, whether each is a paid advertisement; hits above the threshold are removed.
Cookbooks & Demos#community#javascript#chrome-extension
CommunityrealZachi/typesafe-adblockJavaScript
blink
79GitHub stars
A Bun CLI that searches a codebase with an ensemble of walkers: Jev scores file and folder names, more likely paths get more walkers, and the table shows where the walkers ended.
Tools & Integrations#community#typescript#cli
Communityellipsis-dev/blinkTypeScript
Jev for Elixir
33GitHub stars
An Elixir client that treats Jev as a peer GenServer: you reply with questions and its typed answers arrive as messages you pattern-match, with network-free tests.
Repos & SDKs#community#elixir#sdk
Communitydannote/jevElixir
jev-curate
71GitHub stars
A Rust CLI and PyO3 library that streams JSONL and Parquet rows through Jev Noul and Score rubrics, writing clean and rejected records to disk without rewriting content.
Tools & Integrations#community#rust#cli
CommunityAkashPriyadarshii/jev-curateRust
is-malicious
26GitHub stars
A Node CLI that sends source, configuration, build, and CI files to Jev and reports suspicious files and lines with probabilities, as a second opinion before running unfamiliar code.
Tools & Integrations#community#typescript#cli
Communityluantak/is-maliciousTypeScript
jev-guard
34GitHub stars
A security hook for coding agents that asks Jev three typed questions before every tool call and scans tool results for prompt injection, with adapters for Claude Code, Codex, Copilot CLI, Gemini CLI, Cursor, pi, OpenCode and ACP.
Tools & Integrations#community#javascript#agents
Communityleepokai/jev-guardJavaScript
slop-grader
28GitHub stars
A CLI that grades markdown and text files against plain-Markdown rulesets with Jev, running every rule against every line in parallel and caching unchanged lines to avoid repeat API calls.
Tools & Integrations#community#typescript#cli
Communitylukstei/slop-graderTypeScript
Augustus
10GitHub stars
An agent skill for deciding where typed judgments belong beside code, policy, and generation, with Jev examples for question design and abstention plus an offline probability and threshold evaluator.
Tools & Integrations#community#skills#agents
Community24601/AugustusPython
jev-tree
9GitHub stars
A TypeScript library that walks a taxonomy and calls Jev once per level, so a choice can cover thousands of leaves despite Jev's 255-option limit per question.
Repos & SDKs#community#typescript#sdk
Communityreachjalil/jev-treeTypeScript
Jev Web Analyzer
3GitHub stars
A small demo app that fetches a URL, turns the page into clean Markdown, and asks Jev ten bounded Choice questions about what a first-time visitor is likely to understand.
Cookbooks & Demos#community#typescript#demo
Communityreplynodes/jev-web-analyzerTypeScript
jev-sec-bench
4GitHub stars
Blind security benchmarks for Jev on public corpora: 662 prompt-injection messages and 200 matched vulnerable-code pairs, with raw per-sample results and a TUI dashboard.
Practices & Patterns#community#go#benchmarks
CommunityGaurav-Gosain/jev-sec-benchGo
Laravel TypeSafe Jev
4GitHub stars
An unofficial Laravel integration for the PHP TypeSafe SDK that keeps typed DTOs and promises while adding package discovery, scoped lazy DI, config, a facade, and a recording fake.
Repos & SDKs#community#php#sdk
CommunityButochnikov/laravel-typesafe-jevPHP
Zero-shot email classification with TypeSafe's Jev
3GitHub stars
An exploratory study of zero-shot ham, spam, and phishing classification with Jev: enriched email context raised main-set accuracy from 93.62% to 98.64%, within 0.23 points of a trained TF-IDF baseline.
Practices & Patterns#community#python#evaluation
Communitybitnovus/jev-spam-evalJupyter Notebook
NanoJev
2.2kGitHub stars
An open 0.6B replica of Jev that turns states and questions into full probability distributions without decoding answer tokens, trained and evaluated on Maze, Snake, and ViZDoom.
Repos & SDKs#community#python#open-models
CommunityTianyuCodings/NanoJevPython
Jev Logs
13GitHub stars
An OpenTelemetry exporter wrapper that scores each log record with Jev for diagnostic value, priority, and routing, letting low-value events skip an LLM-analysis branch while every record stays in your archive.
Repos & SDKs#community#typescript#routing
Communityreachjalil/jevlogsJavaScript
zio-typesafe-ai
5GitHub stars
A Scala 3 and ZIO HTTP client for TypeSafe's Jev System One API: ask typed Noul, Choice, and Score questions in one round-trip via a NamedTuple and get answers shaped exactly like the questions.
Repos & SDKs#community#scala#sdk
Communityjamesward/zio-typesafe-aiScala
decider
404GitHub stars
An independent open reproduction of the System One model class: Qwen3.5-based 2B and 35B mixture-of-experts models that return typed Choice, Score, and Noul probabilities in one forward pass, with nothing distilled from Jev.
Practices & Patterns#community#python#open-models
CommunityMapika/deciderPython
SemIf
4.3kGitHub stars
An independent baseline that reads typed option probabilities straight from a frozen Qwen3.5-4B's logits in one forward pass, reproducing Jev's interface pattern with open models rather than Jev's undisclosed model or training.
Practices & Patterns#community#python#open-models
CommunityTheoLeeCJ/SemIfPython
Jev Review
222GitHub stars
A local-first MCP server that gives Claude Code, Codex, Cursor, and OpenCode structured quality scores from Jev across correctness, complexity, tests, security, and other dimensions while the agent writes code.
Tools & Integrations#community#typescript#mcp
CommunityNiazMorshed2007/jev-reviewTypeScript
jevmlx
64GitHub stars
An Apple Silicon decision layer that scores every allowed option of a schema (booleans, enums, multi-selects) from MLX model logits in one prefill, assembles schema-valid JSON itself, and exposes a System One-compatible endpoint.
Repos & SDKs#community#python#open-models
Communitybnsd55/jevmlxPython
jev-seo
72GitHub stars
A Rust CLI and MCP server that reranks live DuckDuckGo SERPs with Jev and audits SEO/GEO readiness (schema, robots.txt, sitemaps, llms.txt) with a fifty-rule engine, no paid SEO subscriptions, and a local SQLite history.
Tools & Integrations#community#rust#cli
CommunityAkashPriyadarshii/jev-seoRust
Sniff Test
31GitHub stars
A prose linter for Markdown and plain text that runs countable regex rules locally and, only after consent, sends single paragraphs to Jev for judgment rules like restating closers and stacked hedging.
Tools & Integrations#community#typescript#cli
CommunityDanRWilloughby/snifftestTypeScript
jev plays snake
23GitHub stars
A browser Snake game where code computes the legal moves, food distance, and reachable space and Jev picks one move per tick with a single Choice question; a late answer leaves the snake going straight.
Cookbooks & Demos#community#typescript#games
Communitysorrycc/typesafe-snakeTypeScript
Jev Cookbook
27GitHub stars
Fifteen runnable OpenRouter recipes for Jev covering support triage, database indexing, PII scanning, moderation, lead scoring, a browser agent, and a Gmail labeler, each with a small labelled dataset and saved live results.
Cookbooks & Demos#community#javascript#openrouter
Communitynexibeo/jev-cookbookJavaScript
jgrep
34GitHub stars
A semantic grep CLI that chunks files or staged diffs into 5-60 line pieces, packs 16 chunks and 16 Jev Noul questions into one request, and prints file:line hits above a probability threshold with grep-style exit codes.
Tools & Integrations#community#typescript#cli
Communitykyu1204/jgrepTypeScript
Jev email intent workflow
10GitHub stars
An async LangGraph workflow that sends a mocked email to Jev, receives a typed Choice between invoice and general, and routes it to a demo handler, with confidence and both label probabilities printed for inspection.
Repos & SDKs#community#python#agents
CommunityGiesN/typesafe-jev-workflowPython
TypeSafeSDK
6GitHub stars
An Elixir SDK for TypeSafe AI and Jev with typed Choice, Score, and Noul structs, retries, batching, and OTP integration; version 0.4.1 is the final release of this package line.
Repos & SDKs#community#elixir#sdk
Communitynshkrdotcom/typesafe_sdkElixir
jev-go
5GitHub stars
An unofficial, dependency-free Go SDK for Jev's System One API with direct TypeSafe and Vercel AI Gateway providers, an interactive CLI, and an installable agent skill that covers request and retry semantics.
Repos & SDKs#community#go#sdk
CommunityStumble/jev-goGo
Jev Reranker
3GitHub stars
A CLI that reranks, filters, or extractively compresses JSON retrieval results by asking Jev separate Noul questions, then lets Rust apply the order and thresholds, reading stdin and writing stdout.
Tools & Integrations#community#rust#cli
Communityshinpr/jev-rerankerRust
jev-agent-failure-benchmark
3GitHub stars
A benchmark that runs Jev on all 6,257 text traces of Who&When Pro to attribute agent failures, scoring it with the official pinned scorer against the paper's GPT-5.4, Claude Sonnet 4.6, GLM-5, and Qwen3.5-122B baselines.
Practices & Patterns#community#python#benchmarks
CommunityTokenTrim/jev-agent-failure-benchmarkPython
typesafe-sdk (Ruby client)
8GitHub stars
A Ruby client for TypeSafe's System One API that returns typed Noul, Choice, and Score answers, validates obvious input mistakes before spending a request, and pools HTTP connections across threads.
Repos & SDKs#community#ruby#sdk
Communityjoshmn/typesafe-sdkRuby
Kev
6.9kGitHub stars
Apache-licensed, locally runnable Jev-style decision models (0.8B, 4B, 9B on Qwen3.5) with released weights, training code, a System One-compatible server, frozen eval suites, and a playground.
Practices & Patterns#community#python#open-models
Communityjaredpalmer/kevPython
Jev Browser Use
508GitHub stars
A Codex skill (with a plugin option) that hands clicks, toggles, navigation, and scrolling to Jev over accessibility text while Codex types, interprets visuals, and verifies the outcome.
Tools & Integrations#community#javascript#skills
Communitywy-coliney/jev-browser-useJavaScript
OpenJev
416GitHub stars
An Apache-licensed System One decision server that reads Choice, Score, and Noul probabilities from DiffusionGemma 26B-A4B through vLLM on NVIDIA or MLX on Apple silicon, so TypeSafe SDKs work unchanged.
Repos & SDKs#community#python#open-models
Communityrazorback16/openjevPython
openjev-sglang
323GitHub stars
A server that implements the TypeSafe/Jev HTTP API with Qwen3.6-35B-A3B on SGLang 0.5.19, deployed on Modal with radix caching and breakable prefill CUDA graphs, plus a separate FastAPI process.
Repos & SDKs#community#python#open-models
Communityekzhang/openjev-sglangPython
neo4jev
135GitHub stars
A demo application that navigates a Neo4j graph one hop at a time: Jev gets the outgoing relationships as a Choice plus a goal Noul in one system_one call, and beam search follows the probabilities.
Cookbooks & Demos#community#python#neo4j
Communityjexp/neo4jevJupyter Notebook
jev-browser
88GitHub stars
Unofficial browser automation where the calling LLM states the outcome and Jev decides each element, action, and value from a Playwright page snapshot. Ships as a library, CLI, and MCP server.
Tools & Integrations#community#javascript#browser
CommunityYing-Kai-Liao/jev-browserJavaScript
winnow
87GitHub stars
A Claude Code context sieve: large Read, Bash, and Grep results are split into ~25-line blocks and judged by Jev before they enter context, with confident-no blocks replaced by a recallable stub.
Tools & Integrations#community#python#claude-code
CommunityGhalebDweikat/winnowPython
ruby_decision_model
51GitHub stars
A Ruby client for Noul, Choice, and Score decision models, reaching OpenRouter by default or TypeSafe's native API, with no runtime dependencies beyond the standard library.
Repos & SDKs#community#ruby#sdk
Communityobie/ruby_decision_modelRuby
Jev Moderation Bot
48GitHub stars
A self-hosted Discord bot that classifies messages with Jev in real time, deletes spam and scam links, escalates repeat offenses through warnings to timeouts, and profiles members from message history.
Tools & Integrations#community#python#moderation
Communitybrainstormity/Jev-Moderation-BotPython
askjev
40GitHub stars
A Hermes skill that calls Jev as a typed tiebreaker: the agent submits a state and a question, and Choice, Score, or Noul answers with probabilities let it act or escalate.
Tools & Integrations#community#python#skills
Communityshantanugoel/ask-jev-skillPython
SemDecide
62GitHub stars
A CLI that turns Jev into Unix pipeline primitives: is, choose, score, filter, and guard commands return typed verdicts, stable exit codes, and versioned JSON without prompt or parsing glue.
Tools & Integrations#community#python#cli
Communitysharziki/semdecidePython
Open JEV
34GitHub stars
An independent local alternative to Jev: it takes English or Chinese context, questions, and candidate answers, and returns probabilities over the supplied candidates from a frozen Qwen3-4B backend.
Repos & SDKs#community#python#open-models
Communityzhihz/openjevPython
Yoshi
26GitHub stars
An experimental local context-pruning proxy for Claude Code and Codex that asks Jev, through the Vercel AI Gateway, which history spans to omit, then forwards a rewritten request with omission markers.
Tools & Integrations#community#typescript#compaction
Communitycompozy/yoshiTypeScript
jev-superpowers
24GitHub stars
An agentic software-development skill set built on obra/superpowers, where Jev in the cloud or open-weight Laya locally gates architecture choices, package vetting, shell commands, and completion checks.
Tools & Integrations#community#skills#coding-agent
CommunityAkashPriyadarshii/jev-superpowersHTML
Jev Router
14GitHub stars
A Pi plugin that has Jev pick one model and one reasoning-effort level from a configured list at the start of a session, then keeps both pinned for the rest of it.
Tools & Integrations#community#javascript#routing
Communitymejiasd3v/pi-jev-routerJavaScript
TypeSafe for Rust
13GitHub stars
A Rust client for the System One API with typed Noul, Choice, and Score results, async and blocking transports, batched questions over one state, and inspectable retry and error details.
Repos & SDKs#community#rust#sdk
CommunityTwister915/typesafe-aiRust
jev-router
13GitHub stars
An OpenAI-compatible LiteLLM proxy where clients send one model id and Jev picks which configured model serves each request, with capability filtering and a cheapest-eligible fallback.
Tools & Integrations#community#python#routing
Communityprismhq/jev-routerPython
jev-search-rerank-eval
9GitHub stars
A graded relevance evaluation of Jev as a reranker: 9,831 labelled pairs from 164 queries over a 33,047-item skills catalog, comparing Jev score reranks with BM25, bge-m3, and rank fusion.
Practices & Patterns#community#python#search
Communityzhuyansen/jev-search-rerank-evalPython
every
8GitHub stars
A semantic code search CLI that asks one yes/no Jev question per function and ranks the returned probabilities, screening a whole codebase for a pattern in seconds for cents.
Tools & Integrations#community#python#cli
Communitysufianetaouil/everyPython
Does Jev know when it doesn't know?
7GitHub stars
An independent calibration study of Jev over three public benchmarks and 900 rule-generated support tickets, publishing every raw Gateway response and the quantization limits of returned probabilities.
Practices & Patterns#community#python#calibration
Communityscienthoon/jev-ood-calibrationPython
TypeSafe Rust SDK
6GitHub stars
An independent Rust client for the System One API targeting parity with the official Python and JavaScript SDKs at 0.6.0, with async and blocking clients, model discovery, and configurable retries.
Repos & SDKs#community#rust#sdk
Communitygilljon/typesafe-ai-rsRust
jevkit
3GitHub stars
A Rust CLI that sends terse YAML or JSON question sets to Jev, validates them offline with 13 lint rules before any billed call, and prints parsed answers as JSON.
Tools & Integrations#community#rust#cli
Communityariel-frischer/jevkitRust
Jev vs LLM: a phishing decision benchmark with a calibration audit
6GitHub stars
A public benchmark comparing Jev with Claude Haiku 4.5 on whether an email agent should click a link, over 2,000 PhishNChips emails, with calibration, latency, cost, and five signal questions.
Practices & Patterns#community#python#security
Communityanisselbd/jev-phishing-benchPython
pytest-jev
3GitHub stars
A pytest plugin for semantic assertions: jev.expect sends many holds and lacks claims about one text to Jev in a single request and fails visibly when a probability is uncertain.
Repos & SDKs#community#python#evaluation
Communityallebee/pytest-jevPython
jev-scout
3GitHub stars
A Rust CLI and stdio MCP server that grounds repository and crate discovery in live GitHub and crates.io metadata, then lets Jev score candidates so only verified, installable packages are returned.
Tools & Integrations#community#rust#cli
CommunityAkashPriyadarshii/jev-scoutRust
jevclient
3GitHub stars
An async Python client for Jev with typed Noul, Choice, and Score helpers: questions batch into one request, and callers get probabilities, choices, and weighted scores instead of text to parse.
Repos & SDKs#community#python#sdk
CommunityAboveColin/jevclientPython
ruby_llm-typesafe
19GitHub stars
A RubyLLM 2 provider that adds Jev through structured output: build Noul, Choice, and Score questions with a schema builder, pass them to chat.with_schema, and read typed answers from response.parsed.
Repos & SDKs#community#ruby#sdk
Communitykieranklaassen/ruby_llm-typesafeRuby
typesafe-ai-rails
4GitHub stars
A community Rails integration built on the typesafe-sdk Ruby gem that adds Rails configuration, persisted usage and cost telemetry, and persistence-backed confidence policies for Choice and Score answers.
Repos & SDKs#community#ruby#sdk
CommunityGenieRobot/typesafe-ai-railsRuby
typesafe-rs
2GitHub stars
A community Rust client for Jev's System One API whose environment variables, defaults, retries, identification headers, and error kinds match the official Python and TypeScript SDKs.
Repos & SDKs#community#rust#sdk
CommunityAbdelStark/typesafe-rsRust
Bicameral
7GitHub stars
A hybrid coding harness for Pi where any LLM writes the code while Jev returns typed probabilities that deterministic policy code turns into allow, confirm, block, warn, or steer.
Tools & Integrations#community#typescript#agents
CommunityAbdelStark/bicameralTypeScript
Jevonian
4GitHub stars
An experimental local proxy for coding agents that sends jevonian/auto turns to Jev to pick a model and thinking level after deterministic compatibility and quota filters, while explicit routes skip Jev.
Tools & Integrations#community#typescript#routing
Communityxinyao27/jevonianTypeScript
Skillbox
245GitHub stars
A self-hosted, versioned skills library for AI agents with HTTP MCP, scoped client keys, and opt-in Jev recommendations that rank skills for a task using your own OpenRouter, TypeSafe, or Vercel key.
Tools & Integrations#community#typescript#mcp
Communitykitze/skillboxTypeScript
eve
5.4kGitHub stars
A filesystem-first framework for durable AI agents whose auto model router defaults to Jev through Vercel AI Gateway and whose evaluate helper asks typed Choice, Score, and Boolean questions inside tools.
Repos & SDKs#community#typescript#agents
Communityvercel/eveTypeScript
JevRouter
223GitHub stars
A router that turns models, subagents, skills, MCP tools, CLIs, and plugins into one candidate set Jev answers with a single typed Choice, while the router code owns availability, permissions, and confirmation.
Tools & Integrations#community#typescript#routing
CommunityBillionsBobby/JevRouterTypeScript
jev-secret-detection
3GitHub stars
A measurement harness that sends each file snippet to Jev as one Noul question asking whether the content contains a usable secret credential, then scores the returned probability against the expected label.
Practices & Patterns#community#python#security
Communityteyhouse/jev-secret-detectionPython
commit-miner
36GitHub stars
A Rust CLI that classifies Git commit diffs and messages with Jev into bug fixes, security fixes with CWEs, and change types, then writes HTML or CSV reports from saved scans.
Tools & Integrations#community#rust#cli
Communitydevanshbatham/commit-minerRust
awesome-jev
1.7kGitHub stars
A curated community list of public projects and practices built on Jev, grouped by direct Jev application domain with explicit inclusion rules and a category for practice signals like threads and interviews.
Sites & Guides#community#awesome-list#documentation
Communityyibie/awesome-jevPython
Awesome Jev by TypeSafe
848GitHub stars
An evidence-backed community collection of Jev use cases, patterns, prompts, and starter code, with quick facts sourced to TypeSafe docs and runnable Python and TypeScript quickstart examples.
Sites & Guides#community#awesome-list#tutorial
CommunityAnil-matcha/awesome-jev-by-typesafePython
Simple Jev Project
532GitHub stars
A local server and Python package that runs open models with Hugging Face Transformers or PyTorch and returns Choice, Score, and Noul answers read from next-token logits instead of generated JSON.
Repos & SDKs#community#python#open-models
Communityfeatherless-ai/simple-jevPython
Grok Bot Jev Router
81GitHub stars
A reference router and skill that put Jev in front of Grok Bot so each request is classified before expensive research, browser, retry, or subagent work, returning actions such as reuse_cache or ask_human.
Tools & Integrations#community#python#routing
CommunityBodila51/grok-bot-jevPython
Open Alternative to Jev
54GitHub stars
An Apache-licensed Python library that reads option-token probabilities from open-weight models through Transformers or vLLM, giving Jev-style typed decisions in one forward pass without an HTTP server.
Repos & SDKs#community#python#open-models
Communityikermoel/open-alternative-jevPython
Canny
85GitHub stars
A warden for Claude Code and Codex CLI that keeps an append-only ledger of what an agent did, refuses a done claim when no check passed after the last edit, and uses optional Jev Noul judgments.
Tools & Integrations#community#typescript#claude-code
Communityqkal/CannyTypeScript
jgrep
99GitHub stars
A grep-style CLI where the pattern is a plain-English description: each line becomes one Jev Noul question, judged concurrently with matches printed in input order, working on tail -f as well as files.
Tools & Integrations#community#python#cli
Communitykeltokhy/jgrepPython
jsort
23GitHub stars
A sort CLI where the key is a plain-English description: Jev compares texts in pairs, jsort fits a Bradley-Terry scale to the answers, and prints each score with a standard error.
Tools & Integrations#community#python#cli
Communitykeltokhy/jsortPython
jev-benchmarks
18GitHub stars
A probability-aware evaluation harness that compares TypeSafe Jev with GLiNER2.5 on zero-shot single-label text classification, measuring calibration, coverage at a fixed error budget, latency, and token cost.
Practices & Patterns#community#python#benchmarks
CommunityAbdelStark/jev-benchmarksPython
Jev Agent Skill Router
18GitHub stars
An optional routing layer for Hermes Agent, shipped as a Python CLI and library, that sends a request and a public skill catalogue to Jev and returns route, no_skill, or review plus confidence and candidate distributions.
Tools & Integrations#community#python#routing
CommunityGodsBoy/jev-agent-skill-routerPython
jev-ego
17GitHub stars
A TypeScript browser agent for ego lite that turns one natural-language goal into CLICK, TYPE_TEXT, or SELECT on a numbered element table, with Jev choosing the operation and target in one request.
Tools & Integrations#community#typescript#browser
Communityromaluev/jev-egoTypeScript
jev-cli
14GitHub stars
An unofficial Python CLI and stdio MCP server for Jev: send text or JSON state with typed questions and get machine-readable noul, choice, or score answers from the official API, OpenRouter, Vercel, or a proxy.
Tools & Integrations#community#python#cli
Communitytumf/jev-cliPython
jev-reranker
25GitHub stars
A Python library that reranks search results and filters retrieved documents with Jev, scoring each candidate's usefulness as evidence and dropping those below a configurable threshold before RAG context is assembled.
Repos & SDKs#community#python#reranking
Communityhotchpotch/jev-rerankerPython
Askable arm
12GitHub stars
A ManiSkill demo where plain-English goals drive a simulated Franka Panda: Jev picks one primitive per step from a catalog of about 30 hardcoded skills, and Python executes the move. No training or policy.
Cookbooks & Demos#community#python#robotics
CommunityTarunTomar122/jev-askable-armPython
Clean Code Review
11GitHub stars
A hosted and self-hostable pull-request reviewer where Jev answers a Clean Code question set for each changed file and Luna writes the review from those answers; also exposed as a stateless Streamable HTTP MCP server.
Tools & Integrations#community#typescript#mcp
Communityfrostney/clean-code-reviewTypeScript
pi-fast-jev-compaction
12GitHub stars
A Pi extension that keeps conversation text verbatim while pruning stale tool history with Jev keep-or-drop decisions, falling back to Pi's built-in summary compaction when pruning cannot free enough context.
Tools & Integrations#community#typescript#compaction
Communityjoelhooks/pi-fast-jev-compactionTypeScript
jev-harness
15GitHub stars
A TypeScript library that wraps Jev answers in a policy, a confidence gate, shadow mode, reusable recipes, and an offline eval CLI, so structured decisions can drive actions an application ships.
Repos & SDKs#community#typescript#agents
CommunityAntonioCoppe/jev-harnessTypeScript
super-jev
12GitHub stars
An experimental TypeScript harness that connects evidence to Jev judgments, permitted actions, and verified outcomes, with pluggable data sources and tools, local JSONL traces, and zero runtime dependencies.
Repos & SDKs#community#typescript#agents
CommunityKevthetech143/super-jevPython
PROMPT FPS
24GitHub stars
Two WebAssembly builds of the Chocolate Doom 3.1.1 engine play the same Freedoom map from the same initial state, with a Jev Choice decision picking each tactical macro and a local controller turning it into inputs.
Cookbooks & Demos#community#typescript#games
Communitylukaske/jev-doom-agentTypeScript
pi-heed
8GitHub stars
A Pi extension that turns constraints stated in conversation into a scoped, replayable policy and checks every side-effecting tool call against it before it runs, with Jev only classifying how each message changes the policy.
Tools & Integrations#community#typescript#guardrails
CommunityNyarlathoteppppp/pi-heedTypeScript
Paper Trellis Citation Verifier
8GitHub stars
A browser tool that checks whether a cited paper supports the sentence citing it: code matches references and verifies quotes, Claude proposes an evidence passage, and Jev scores supports, contradicts, or says nothing.
Tools & Integrations#community#javascript#browser
CommunityMarissaFamularo/citation-verifierJavaScript
Little Airways
6GitHub stars
A toy archipelago air-traffic demo where every in-flight judgment - divert or continue, declare an emergency, give way, and who lands first - is made live by Jev from each plane's local state in about 150 ms.
Practices & Patterns#community#html#demo
Communitylbotinelly/jev-little-airwaysHTML
jlink
6GitHub stars
A record-linkage library and CLI where the match rule is written in plain English: Jev answers pair questions with a probability, with local candidate blocking and match resolution.
Repos & SDKs#community#python#data
Communitykeltokhy/jlinkPython
jcm-router
5GitHub stars
A local proxy between Claude Code and the Anthropic API that picks the model and effort level per message with Jev, routing subagents whenever cheap but gating main-chat switches on prompt-cache arithmetic.
Tools & Integrations#community#typescript#routing
Communityadarshmishra07/jcm-routerTypeScript
typesafe-jev
7GitHub stars
A local screening workbench for a folder of CVs: it asks Jev a small fixed set of typed questions about each candidate, scores the answers with plain arithmetic you can read, and shows a sortable shortlist.
Tools & Integrations#community#typescript#classification
Communitygtaras7/typesafe-jevTypeScript
Soupbase
5GitHub stars
A Chinese and English lateral-thinking puzzle site hosted by Jev: Choice questions classify player questions and check proposed solutions against required facts, while code enforces confidence thresholds before a puzzle is marked solved.
Cookbooks & Demos#community#typescript#games
Communityspoonnotfound/soupbaseTypeScript
jev-canvas
7GitHub stars
A tldraw canvas controlled by voice and a webcam-tracked fingertip: every partial transcript triggers one Jev request through OpenRouter's Decisions API that decides the action, shape, colour, and place.
Cookbooks & Demos#community#javascript#browser
Communitygaborishka/jev-canvasJavaScript
fast-jev-compaction
6GitHub stars
A Codex plugin and npm library that wraps native session compaction: Jev scores every tool call and result, and the verbatim history it keeps is re-injected after Codex summarizes. The README does not recommend using it.
Tools & Integrations#community#typescript#codex
Communityleonaaardob/fast-dev-compactionTypeScript
jev-judgment
5GitHub stars
An Agent Skill that sends closed coding-agent judgments to TypeSafe Jev and acts on the probabilities, asking for yes/no, choice, and score answers in about 250 ms while the main coding model keeps writing code.
Tools & Integrations#community#python#skills
CommunityHyunjunJeon/jev-judgmentPython
Janus
3GitHub stars
An independent calibration study of Jev against a frontier fallback on Banking77 and Web of Science, packaged as the janus-decide tool that measures a routing threshold on your own data instead of shipping a default one.
Practices & Patterns#community#python#routing
CommunityFirasSX914/JanusPython
jev-git
4GitHub stars
A single-binary Rust gate that screens staged git diffs for unredacted secrets, prompt-injection attacks, and destructive commands with calibrated Jev probabilities in about 80 ms, invoked as git jev.
Tools & Integrations#community#rust#cli
CommunityAkashPriyadarshii/jev-gitRust
Jev × Civilization II
3GitHub stars
An original Civilization II browser harness for Jev: named Choice vectors cover empire policy, cities, research, diplomacy, units, exploration, and warfare, with live decision probabilities in a Roman-themed spectator display.
Cookbooks & Demos#community#python#games
Communityphyous/tsai-civ2Python
Jevtown
7GitHub stars
A social network where 10,000 computed personas read your post: Jev scores who the text is for to pick the first 600 readers, then answers one Choice per persona for its reaction.
Cookbooks & Demos#community#javascript#cloudflare
Communitygaborishka/jevtownJavaScript
jev-research-eval
3GitHub stars
A reproducible harness that scores Jev Ultrafast research-browser runs over 11 baseline cases plus human and quant stress suites with CoS-locked QC grades, regenerating the field note and trace notebooks offline.
Practices & Patterns#community#python#evaluation
Communityjgridifier/jev-research-evalHTML
pi-typesafe-jev
4GitHub stars
A pi extension that exposes TypeSafe Jev judgments as five tools, calling POST /v1/systemone directly with native fetch so your code and users keep control of thresholds, weights, and actions.
Tools & Integrations#community#typescript#agents
Communitylegacybridge-tech/pi-typesafe-jevTypeScript
pi-typesafe
46GitHub stars
A Pi extension and library that gives the agent and other extensions one consented, key-managed Jev client, with a batched typesafe_evaluate tool for classify, triage, compare, and score judgments.
Repos & SDKs#community#typescript#sdk
CommunityDevMortimer/pi-typesafeTypeScript
s1
2GitHub stars
A Rust derive layer for typed System One decisions: enums and structs become Choice, Score, and Noul questions with compile-time-checked, confidence-gated answers, plus a scriptable fake client for network-free tests.
Repos & SDKs#community#rust#sdk
CommunityAbdelStark/s1-rsRust
TypeSafe AI Swift SDK
5GitHub stars
A dependency-free Swift 6 client for the TypeSafe AI System One API, ported from the official JavaScript and Python SDKs, with Choice, Score, and Noul questions, strict concurrency, and configurable retries.
Repos & SDKs#community#swift#sdk
Communityalterhq/typesafe-sdk-swiftSwift
jev-gate
2GitHub stars
A tool-call gate for Claude Code, Codex, Cursor, and other harnesses backed by Jev: deterministic rules and a read-only allowlist run first, then one request answers allow, ask, or deny in about 400 ms.
Tools & Integrations#community#python#guardrails
Communityeugeniughelbur/jev-engineeringPython
jevgrep
1GitHub stars
A streaming grep-by-meaning CLI that judges each line with one Jev yes/no question and prints the lines above a threshold, built to sit behind tail -f, kubectl logs -f, or journalctl -f.
Tools & Integrations#community#python#cli
Communityallebee/jevgrepPython
wakegate
0GitHub stars
An experimental TypeScript gate that asks Jev one wake, not-yet, or unrelated Choice before resuming a sleeping agent's LLM, while code handles timers, user messages, skip limits, errors, and timeouts.
Tools & Integrations#community#typescript#agents
Communityshitianfang/wakegateTypeScript
Jevbridge
43GitHub stars
An ACP and MCP adapter that bridges TypeSafe Jev with any LLM: native Jev when TYPESAFE_API_KEY is set, or Codex, Claude, Grok, OpenCode, and OpenAI-compatible endpoints standing in as System One when it is not.
Repos & SDKs#community#typescript#mcp
Communitytacticocc/JevbridgeTypeScript
Snake Jev
3GitHub stars
A desktop Snake experiment where Jev assesses the board each tick and Python combines its answers into a move; one recorded run reached 29 foods in 461 ticks before trapping itself.
Cookbooks & Demos#community#python#games
Communitysiroccomask/snake-jevPython
Notra
220GitHub stars
An open-source, commercially hosted generative-engine-optimization platform that uses Jev judgments within a broader application to track brand mentions and placement in AI answers across ChatGPT, Claude, Gemini, and Perplexity.
Tools & Integrations#community#typescript#postgres
Communityusenotra/notraTypeScript
Sponsor Skip
97GitHub stars
A Chrome extension and small web app that skips YouTube sponsor reads: Jev names transcript lines or answers yes/no about what it heard, and code owns every timestamp that gets cut.
Tools & Integrations#community#javascript#chrome-extension
Communitytrungdq88/youtube-sponsor-detectionJavaScript
jselect
4GitHub stars
A CLI and Python library that selects source-linked evidence within a token budget using Jev Noul relevance judgments plus local diversity-aware selection, with no labels, vector database, or generative model required.
Tools & Integrations#community#python#cli
Communitykeltokhy/jselectPython
Jev Playground
1GitHub stars
A Next.js playground that benchmarks Jev against GPT-5.6 Luna, Claude Haiku 4.5, Gemini 3.5 Flash Lite, and GPT-6 Astra in tic-tac-toe and Connect Four, giving every model the same legal-move Choice options through the Vercel AI Gateway.
Practices & Patterns#community#typescript#evaluation
Communityhegargarcia/jev-playgroundTypeScript
limpet
4GitHub stars
A Stop hook that keeps coding agents from quitting early: rules written in plain language are scored by Jev in about 0.7 seconds, and a violated rule sends the agent back to work instead of letting it stop.
Tools & Integrations#community#python#claude-code
Communitynoplan-inc/limpetPython
jev-bfs
1GitHub stars
A terminal Wikipedia link-race tool: Chromium fetches article pages, Jev ranks their outgoing links by expected remaining hops, and Python runs a beam search without a search API or a controller model.
Cookbooks & Demos#community#python#cli
Communitykomikat/jev-bfsPython
QuantDinger
12.2kGitHub stars
A self-hosted AI trading platform that can put Jev in front of strategy and Quick Trade entry orders as an auditable PASS/REJECT gate, with LLM fallback and deterministic bypasses for exits and protective orders.
Cookbooks & Demos#community#python#trading
CommunityOpenByteInc/QuantDingerPython
Hermes Jev Skills
811GitHub stars
A Python toolkit that installs nine plain SKILL.md files for Hermes, Claude Code, and Codex, letting Jev route models, filter retrieved passages, select skills, and choose bounded computer or browser actions.
Tools & Integrations#community#python#agents
Communitykerpopule/hermes-jev-skillsPython
Von
664GitHub stars
An open, non-autoregressive System One model with published weights and a TypeSafe-compatible /v1/systemone API; the 395M-parameter OptionMarker checkpoint scores discrete and ordinal questions locally.
Repos & SDKs#community#python#open-models
Communitywfzyx/vonPython
Awesome Jev
394GitHub stars
A curated, source-backed list of projects built with Jev, organized from SDKs and agent tooling through games and evaluations; its September 2026 review brought the community catalog to 155 entries.
Sites & Guides#community#awesome-list#evaluation
Communitycobanov/awesome-jev
Jev Visual
284GitHub stars
An educational Jev-like inference project for Apple Silicon: Qwen3.5-0.8B scores candidate answers from shared multimodal context instead of generating text, with browser, CLI, and HTTP interfaces.
Repos & SDKs#community#python#open-models
Communityhr98w/jev-visualPython
Jev 聊天助手
6.5kGitHub stars
An Android overlay that reads visible WeChat, QQ, and X conversations through accessibility, asks Jev for intent, danger, and the best action, then drafts three replies and fills one in without ever sending it.
Tools & Integrations#community#kotlin#android
Communityjev-chat/jev-chat-jarvisKotlin
Distill
689GitHub stars
A Rust coding-agent harness and TUI that uses Jev to pick a model and effort, route bounded utility work, and decide what context to keep, with code constraining every choice and validating results.
Tools & Integrations#community#rust#coding-agent
Communitysamuelfaj/distillRust
Awesome Jev
442GitHub stars
An unofficial bilingual index of applications, clients, tools, and research built with Jev, spanning official resources, community SDKs in many languages, demos and games, and articles.
Sites & Guides#community#awesome-list#sdk
CommunityAnotiaWang/awesome-jev
openJev-verdict-2.0
285GitHub stars
A ModernBERT-based open decision model that evaluates Choice, Score, and Noul schemas in one non-autoregressive pass; Verdict 2.0 reports 77.10% accuracy on 2,000 held-out enterprise decisions.
Practices & Patterns#community#python#open-models
CommunityHeman10x-NGU/openJev-verdict-2.0Python
quackd
239GitHub stars
A Python CLI that connects multiple robots under one contract with an optional Jev stepper: Jev picks among permitted discrete calls while an LLM writes poses and prose and the executor enforces safety gates.
Tools & Integrations#community#python#robotics
Communityrokbenko/quackdPython
EmbodiedJev
226GitHub stars
A MuJoCo and Franka Panda workbench where Jev chooses the next manipulation step for pick-and-place, stacking, and obstacle-carry tasks, with rule baselines and side-by-side model comparison.
Cookbooks & Demos#community#python#robotics
CommunityFBddcz/embodied-jevPython
Hippo
757GitHub stars
A local SQLite memory layer for CLI agents with an opt-in Jev reranker that batches Noul judgments over the top 40 recalled memories and falls back to a local cross-encoder on errors.
Tools & Integrations#community#typescript#agents
Communitykitfunso/hippo-memoryTypeScript
TipTour
662GitHub stars
A macOS menu bar app that turns a typed click task into desktop actions: Jev picks from locally detected controls, TipTour executes and validates each action, and a separate Gemini mode handles voice.
Tools & Integrations#community#swift#macos
Communitymilind-soni/tiptour-macosSwift
Jev-cu
601GitHub stars
An experimental Codex skill and JavaScript runtime that has Jev pick macOS Accessibility elements and actions from text candidates, while local policy gates hold sensitive operations for human confirmation.
Tools & Integrations#community#javascript#codex
CommunitySac-Y/Jev-cuJavaScript
Awesome Jev / TypeSafe
517GitHub stars
A community field guide to TypeSafe's Jev with one documented support-ticket call, runnable JavaScript and Python starters, a JSON directory, and links to independent evaluations.
Sites & Guides#community#awesome-list#sdk
CommunityAbdelStark/awesome-typesafe-jevHTML
Awesome Jev Skills
487GitHub stars
A collection of Jev demos, workflows, and agent skills for coding agents: five installable skills and 108 scenarios, installed by pointing Codex, Claude Code, or OpenCode at an agent prompt.
Tools & Integrations#community#python#skills
Communitywuyoscar/jev-skillPython
Awesome Jev - System-1 Agent Architecture Radar
520GitHub stars
A source-backed radar of open-source Jev projects with commit-pinned code evidence across 17 domains, plus a searchable site, an agent skill, and issue-based submissions.
Sites & Guides#community#javascript#awesome-list
Communitylogicrw/awesome-jev-projectsJavaScript
SlidePilot
5GitHub stars
Experimental Slidev addon that streams presenter voice through a Cloudflare Worker, where Jev answers four typed questions before TypeScript applies the navigation policy and advances the deck.
Repos & SDKs#community#typescript#cloudflare
Communityharshil1712/slidepilotTypeScript
Safer with Jev
6GitHub stars
Neon Function proxy and showcase site that puts request bodies to Jev: the judgment is the URL path, and bodies that pass can be forwarded unchanged to a caller-chosen HTTPS target.
Tools & Integrations#community#typescript#gateway
Communityandrelandgraf/safer-with-jevTypeScript
TypeSafe SDK for Java
7GitHub stars
Community Java 17 client for TypeSafe's System One API with typed Noul, Choice and Score questions, lambda-style builders for nested criteria, status-specific exceptions and a Spring Boot starter.
Repos & SDKs#community#java#sdk
CommunityPremo-Cloud/typesafe-sdk-javaJava
jev-mobile
7GitHub stars
Experimental Android sub-agent that gives Jev a bounded list of technically valid UI actions per step, with requirement-driven subgoals, durable SQLite tasks, confidence gates and escalation instead of coordinates.
Tools & Integrations#community#python#agents
CommunityFriedjof/jev-mobilePython
sqlite3-jev
3GitHub stars
SQLite C extension that exposes Jev as SQL functions (jev_noul, jev_choice, jev_score) so queries can classify states such as ticket bodies directly, with only libcurl as a dependency.
Tools & Integrations#community#sql#data
Communitymattn/sqlite3-jevC
Jev DSPy Lab
9GitHub stars
Unofficial companion to dspy-typesafeify that records and replays TypeSafe calls to measure calibration, selective risk, confidence-gated abstention, latency, tokens and modeled cost for Jev decisions.
Practices & Patterns#community#python#evaluation
Communityjmanhype/jev-dspy-labPython
PageGrade
6GitHub stars
WXT Chrome extension that grades readable page sections with Jev through Vercel AI Gateway, giving each section ten rubric scores and each page an inspectable A-E grade.
Tools & Integrations#community#typescript#chrome-extension
Communitykitze/pagegradeTypeScript
jev-skill-gate
7GitHub stars
Claude Code hook that scores installed skills against your prompt with Jev and writes skillOverrides so irrelevant skills stay out of context; a local TF-IDF ranker runs when no API key is set.
Tools & Integrations#community#javascript#claude-code
CommunityShivamPansuriya/jev-skill-gateJavaScript
jev-resilience
2GitHub stars
Spring WebFlux starter that asks Jev whether HTTP 200 responses actually encode a failure, converting suspected silent failures into SemanticFailureException for existing error handling.
Repos & SDKs#community#java#spring-boot
CommunityVicente-MD/jev-resilienceJava
2048 × Jev
5GitHub stars
Browser lab where every 2048 move is one Jev Choice over the four directions with no heuristic fallback, surfacing the probability distribution, confidence, latency and token cost live.
Cookbooks & Demos#community#typescript#games
CommunityARCJ137442/jev-2048TypeScript
jev-logtriage
1GitHub stars
CLI that collapses Loki log batches and asks Jev six typed questions in one call, then maps the answers in code to suppress, watch, review, notify, page or an auto-remediation candidate.
Tools & Integrations#community#python#cli
Communityjyatesdotdev/jev-logtriagePython
json-render
18.3kGitHub stars
Generative UI framework with an experimental Jev composer that selects components and layout from application-supplied candidates through Vercel AI Gateway, rendering catalog-constrained JSON specs.
Repos & SDKs#community#typescript#vercel
Communityvercel-labs/json-renderTypeScript
tax-doc-classifier
450GitHub stars
Text-only classifier for 261 federal tax forms that sends each PDF page's text to Jev, which returns a probability over forms and page kinds behind a confidence gate; no model is trained.
Repos & SDKs#community#typescript#classification
Communitykyotofin/tax-doc-classifierTypeScript
jev-orderby-bench
1GitHub stars
Independent measurement of whether ORDER BY over a Jev probability is defensible, pre-registering gates on pairwise inversion, Score ordinality, calibration, and negation and paraphrase invariants.
Practices & Patterns#community#python#benchmarks
Communityyodablocks/jev-orderby-benchPython
JevBench
133GitHub stars
Independent cross-model benchmark for Jev-class decision models, running 534 frozen cases per complete entrant with scoring code and a four-axis score of accuracy, calibration, latency and cost.
Practices & Patterns#community#python#benchmarks
Communityfstandhartinger/jevbenchPython
Laya
24.2kGitHub stars
Open multilingual System 1 decision models with published checkpoints for choice, score and noul questions, plus a router that dispatches each request to the right checkpoint in one forward pass.
Repos & SDKs#community#python#open-models
CommunityNandhaKishorM/layaPython
swift-typesafe
15GitHub stars
Unofficial Swift 6.4 client for TypeSafe's System One API, following the Python SDK 0.7.0 API with @QuestionSet property wrappers for typed Noul, Choice and Score questions.
Repos & SDKs#community#swift#sdk
Communityainame/swift-typesafeSwift
human-compiler
2GitHub stars
Cloudflare Worker and React app that sends pasted corporate prose through about 45 typed Jev questions, then emits rustc-style diagnostics for passive-aggression, urgency and information density.
Cookbooks & Demos#community#typescript#cloudflare
Communityasfarsadewa/human-compilerTypeScript
Jev Wrapped
1GitHub stars
Telegram channel X-ray that judges up to 1,500 public posts from the last year with one Jev Choice over ten post kinds and three Noul checks, then draws a shareable monthly mix card.
Tools & Integrations#community#javascript#cloudflare
Communitygaborishka/jev-wrappedJavaScript
Low-latency audio decisions POC
3GitHub stars
Private TypeScript proof of concept that flags Spanish profanity with Jev Boolean and Score questions and replaces the matching word intervals with a beep via ffmpeg, keeping the original duration.
Tools & Integrations#community#typescript#moderation
Communitysantos-sanz/jev-audio-beeperTypeScript
jev-playground
1GitHub stars
A MoonBit playground for TypeSafe's Jev: a client for GET /v1/models and POST /v1/systemone with noul, choice, and score questions, a single-query CLI, a Jev-vs-Jev gomoku game, and a tool that replays game logs as real-time GIFs.
Repos & SDKs#community#moonbit#cli
Communitymizchi/jev-gomokuMoonBit
PocketJev
2GitHub stars
An experimental iOS app that turns an on-device Qwen3-VL model into a multiple-choice decision tool: it reads next-token logits for A/B/C and scores 2-26 supplied options without generating any text.
Cookbooks & Demos#community#swift#ios
CommunityNullPo-jp/PocketJevSwift
ASSAY-001
0GitHub stars
A pre-registered, independently rescored audit of Jev's calibration and type safety: calibrated on CLINC150 (ECE 0.0204), systematically overconfident on Banking77 (ECE 0.0936), and zero type errors across 8,576 responses.
Practices & Patterns#community#python#calibration
Communityjourdanlabs/assay-001Python
jevbetter
15GitHub stars
A from-scratch one-pass option scorer that maps a context and a changing list of text options to one probability per option, adding a hashed n-gram encoder, rival-aware attention, a gated head, and temperature scaling; JSONL data is drop-in compatible with jevlike.
Practices & Patterns#community#python#calibration
Communityolanotolu/jevbetterPython
RoboJEV
46GitHub stars
Two-stage Jev control of a Franka Panda in MuJoCo: Jev selects a task intent, then X/Y/Z directions and a gripper command executed against real contacts, with 43 of 50 Jev episodes succeeding versus 48 of 50 for a rule baseline.
Cookbooks & Demos#community#python#robotics
Communitylykycy123/RoboJEVPython
AI CLI
816GitHub stars
Vercel Labs' terminal CLI for the AI SDK: its `ai evaluate` command answers named Boolean, Choice, and Score questions, with Jev as the default evaluation model and one unchanged input shared across all questions.
Tools & Integrations#community#typescript#cli
Communityvercel-labs/ai-cliTypeScript
typeful-triage
3GitHub stars
A multiplayer triage dashboard for public GitHub repos: issues and PRs sync into Postgres, Rocicorp Zero replicates them live, and Jev answers typed questions about each one, including what a maintainer should do next, with human corrections kept.
Tools & Integrations#community#typescript#postgres
Communitycephalization/jev-triageTypeScript
Robo Harness
4GitHub stars
An SO-101 workbench where an evaluation model or rules baseline picks bounded joint steps from typed candidate actions: decision runs are spend-capped via the Vercel AI Gateway and drive a real LeRobot arm or mock hardware.
Cookbooks & Demos#community#typescript#robotics
Communitygrmkris/robo-harnessTypeScript
NeuroLink
140GitHub stars
A Juspay TypeScript SDK that treats Jev as a third inference type beside generate and stream: providers declare which kinds they serve, and tryDecide returns typed boolean, choice, or score answers, null when no decision provider is set.
Repos & SDKs#community#typescript#sdk
Communityjuspay/neurolinkTypeScript
openjev
113GitHub stars
One-pass option scoring with a local Gemma 3 4B on Apple silicon via MLX: it prefills the context once, expands that KV cache across the option batch, and scores every option in a single padded forward pass with no decoding.
Practices & Patterns#community#python#open-models
Communitydaseinlabs/open-jevPython
OpenJev (Verdict)
103GitHub stars
An encoder-side reproduction of Jev built on a retrained GLiClass ModernBERT base (151M): it evaluates multiple typed questions in one non-autoregressive forward pass, returning choices, ordinal scores, and probabilities under 35 ms.
Practices & Patterns#community#python#open-models
CommunityHeman10x-NGU/Verdict-open-jevPython
Jevmail
76GitHub stars
A local, read-only Gmail triage app that sorts mail into five trays with Jev: each message becomes one experimental_evaluate call answering tray, urgency, and human-written questions, and 1,000 emails sort in about a minute for around 3 cents.
Cookbooks & Demos#community#typescript#privacy
Communityfazlerocks/jevmailTypeScript
Jev Desktop for Codex
71GitHub stars
A Codex Computer Use plugin that adds bounded Jev decision loops: Codex scopes the task and defines allowed actions, Jev picks an operation and compatible target in one request, and Computer Use performs the click, fill, scroll, or shortcut.
Tools & Integrations#community#javascript#codex
Communityyikangy873-gif/jev-desktopJavaScript
Awesome Jev
191GitHub stars
A community Jev directory of 899 entries with a searchable companion site at awesomejev.com: official docs and SDKs, community clients, agent tools, browser and computer-use projects, games, benchmarks, and articles.
Sites & Guides#community#javascript#awesome-list
Communityhellogumbo/awesome-jevJavaScript
reflex
147GitHub stars
An open re-creation of Jev's decision model on an open-weights Qwen3.5-4B: it answers a list of typed questions in one forward pass over POST /v1/systemone in about 200 ms, never writing free text.
Practices & Patterns#community#python#open-models
Communitykshetrajna12/reflexPython
Awesome Jev
138GitHub stars
An unofficial curated list of Jev use cases, SDKs, tools, and learning resources, paired with madewithjev.com, a directory of builds that reports each author's own cost and latency numbers.
Sites & Guides#community#awesome-list#directory
Communitykraayenjon/awesome-jev
Formanator
100GitHub stars
A Rust CLI and MCP client for Forma benefit claims that can use optional Jev Choice questions to select from an account's valid benefit/category pairs, falling back to an LLM when Jev finds no match or is not confident.
Tools & Integrations#community#rust#cli
Communitytimrogers/formanatorRust
Jev DSH Decision Engine
173GitHub stars
A structured decision plugin for agent harnesses: Jev recommends among currently available and permitted tools, skills, and agents, and evaluates output quality, returning choices, probabilities, and confidence while the host agent keeps planning and execution.
Tools & Integrations#community#javascript#agents
CommunityDevin-AXIS/jev-dsh-decisionJavaScript
Jev Voice
94GitHub stars
A hands-free macOS voice assistant: whisper.cpp transcribes locally in about 100 ms, then one roughly 250 ms Jev request selects a typed action plus arguments, and code executes it against the Mac.
Tools & Integrations#community#python#voice
Communitykevinbadi/jev-voicePython
jev-lint
84GitHub stars
An ast-grep semantic linter where each rule is one natural-language question judged by Jev: 98 rules flag name/body drift, stale comments, weak tests, quiet failures, and commits whose diffs contradict their messages.
Tools & Integrations#community#typescript#cli
Communitymizchi/jev-lintTypeScript
Agent Router
79GitHub stars
A local-first Herdr CLI that filters your agent subscriptions with fixed eligibility rules, then asks TypeSafe Jev to rank the remaining Cursor, Claude Code, Codex, or OpenCode options and pick a reasoning effort.
Tools & Integrations#community#typescript#cli
Communitynidhi-singh02/agent-routerTypeScript
Awesome Jev ZH
75GitHub stars
A Chinese-language curated list of Jev resources: official docs, SDKs, popular apps, agent tools, open reproductions, independent evaluations, plus a Chinese quickstart guide and a 16-page slide deck.
Sites & Guides#community#awesome-list#chinese
Communityyzfly/awesome-jev-zhHTML
jev-chat-jarvis (macOS)
397GitHub stars
A macOS floating panel that reads visible WeChat messages through OCR, has a local decider model or TypeSafe Jev classify intent and risk from 0 to 9, then generates and reranks reply candidates without injecting anything into WeChat.
Tools & Integrations#community#python#macos
Communityjev-chat/jev-chat-jarvis-macPython
jev-gateway
221GitHub stars
A local gateway for coding agents that asks Jev which tool to call each turn and steers the LLM when Jev is confident, while every other request goes to your usual provider untouched.
Tools & Integrations#community#typescript#gateway
Communityvinilana/jev-gatewayTypeScript
typesafe_register
126GitHub stars
A Python script that batch-registers typesafe.ai accounts and creates an API key for each, reporting about six seconds per account single-threaded and about 0.12 seconds multithreaded.
Tools & Integrations#community#python#cli
CommunityFutureppo/typesafe_registerPython
Jev × WebMCP Chrome Extension
116GitHub stars
A Chrome side panel that turns the current page's WebMCP tool schemas into typed Jev questions, predicting the tool call, its arguments, confidence, and latency as you type.
Tools & Integrations#community#javascript#chrome-extension
Communitysdras/jev-webmcp-extensionJavaScript
Awesome Jev use cases
204GitHub stars
An unofficial list of things built with Jev, ranking 74 demos by likes and linking 150+ GitHub repos, with model limits, cost notes, and a curl example for the HTTP API.
Sites & Guides#community#awesome-list#evaluation
Communitywalidboulanouar/awesome-jev-use-cases
jev-use
97GitHub stars
Voice and typed computer use for macOS: Jev picks the next on-screen action from the Accessibility tree, macOS performs it, and each step is checked for its real effect. No screenshots are sent.
Tools & Integrations#community#swift#macos
Communitysavka777/jev-useSwift
jev-leftpad
85GitHub stars
A joke npm package that left-pads a string by asking Jev to choose among space_0 through space_10 in one Choice, spending a model call where padStart() would do.
Cookbooks & Demos#community#javascript#demo
Communityf/jev-leftpadJavaScript
Awesome Jev
85GitHub stars
A community directory of Jev apps, developer resources, and runnable decision examples, with an installable Awesome Jev Guide skill and offline examples that need no API key.
Sites & Guides#community#python#awesome-list
CommunityAppitStudio/awesome-jevPython
Laya vs Jev
100GitHub stars
A side-by-side T-Rex game where local Laya runs on Apple Silicon through MLX and hosted Jev uses the TypeSafe API, showing choices, latency, survival streaks, and crash replays on one course.
Cookbooks & Demos#community#python#games
Communityvirajbhartiya/laya-vs-jevPython
Jev as a judge for agent evals
89GitHub stars
An experiment comparing Jev with GPT-5.6 Luna, GPT-5.6 Terra, and Claude Sonnet 4.6 as evaluators of five frozen weather-agent runs, measuring pass-or-fail accuracy against human labels plus variance, cost, and latency.
Practices & Patterns#community#python#evaluation
Communitydanielgshea/jev-as-a-judgePython
AgentJev-0.6B
301GitHub stars
An open 0.6B System One decision model that reads unstructured state and typed questions in one forward pass, returning calibrated distributions with zero decoded tokens; weights are published on Hugging Face.
Repos & SDKs#community#python#open-models
Communitymalevrigns/agent-jevPython
Jev workflow builder
144GitHub stars
A multiplayer demo workflow builder for Jev built with Liveblocks: wire Jev and LLM steps together, call the workflow through a REST API, and preview test runs with shared state and cursors.
Cookbooks & Demos#community#typescript#demo
CommunityCTNicholas/jev-workflow-builderTypeScript
Agentic RL 零基础教程
111GitHub stars
A 25-chapter Chinese tutorial that goes from reinforcement-learning basics to GRPO training with a runnable minimal-verl example, and closes with a chapter on when judgment tasks should be externalized to Jev instead of trained.
Sites & Guides#community#python#tutorial
Communitycookiespiggy/agentic-rlPython
DomA
130GitHub stars
An open-source browser agent extension for Chrome and Edge that browses, fills forms, clicks, and collects data, letting any extension-capable browser act as an AI browser with your own LLM key.
Tools & Integrations#community#typescript#browser
Communitydom-actions/domaTypeScript
AI Agent Skills
96GitHub stars
A collection of 26 production-ready agent skills for Claude Code, Cursor, Kiro, Windsurf, and OpenCode; four skills call TypeSafe Jev for calibrated Score and Noul judgments and fall back to heuristics when it is unavailable.
Tools & Integrations#community#python#skills
Communityfabricioctelles/skillsPython
Jev Arena
103GitHub stars
A comparison arena that runs the same batch of review comments through Jev and DeepSeek, showing processing time, cost, and per-label results with CSV/Excel import, replay, and offline reports.
Practices & Patterns#community#javascript#benchmarks
CommunityNanmiCoder/jev-arenaJavaScript
Jev Chat
96GitHub stars
A chat-shaped command bar where Jev picks the tool, arguments, confirmation, and reply type each turn, and code calls the MCP servers, so no LLM ever writes the reply text.
Cookbooks & Demos#community#typescript#mcp
Communityw3cj/jev-chatTypeScript
save-token-jev
72GitHub stars
A Jev-guided context compaction library for coding agents: instead of summarizing old context, Jev decides which tool calls and results still matter while user and assistant text is kept verbatim.
Tools & Integrations#community#typescript#compaction
CommunityIAmUnbounded/save-token-jev-cleanTypeScript
TypeSafe AI SDK for PHP
3GitHub stars
An unofficial PHP client for the TypeSafe AI System One API with typed Noul, Choice, and Score responses, synchronous and Guzzle-promise calls, model discovery, retries, and PSR-3 logging.
Repos & SDKs#community#php#sdk
CommunityButochnikov/typesafe-sdk-phpPHP
jeff
246GitHub stars
A self-hosted implementation of TypeSafe's Jev System One API powered by the 400M-parameter GLiFormer encoder: it serves choice, score, and noul and drops into the official typesafe-sdk via TYPESAFE_BASE_URL, but trails Jev on reasoning-heavy tasks.
Practices & Patterns#community#python#open-models
Communitylogan-markewich/jeffPython
Awesome JEV
368GitHub stars
A curated gallery of papers, open models, and independent evaluations behind System One models and Jev, with 131 entries in 8 sections and a dated news log on a companion site.
Sites & Guides#community#javascript#awesome-list
CommunityOmniJev/awesome-jev-galleryJavaScript
MemSearch
2.7kGitHub stars
A cross-platform memory layer for AI coding agents: conversations from Claude Code, Codex, DeepSeek Harness, OpenClaw, and OpenCode become Markdown memories indexed in Milvus, with optional Jev reranking through the TypeSafe API.
Tools & Integrations#community#python#agents
Communityzilliztech/memsearchPython
Beacon
1.5kGitHub stars
An open-source, local-first memory layer that captures session history across Claude Code, Cursor, Codex, OpenCode, Cline, and 20+ other harnesses, then has Jev judge bounded, redacted trace projections for reusable lessons a person reviews.
Tools & Integrations#community#go#agents
CommunityAsymptote-Labs/agent-beaconGo
awesome-jev-tools
717GitHub stars
A curated list of public projects and practices built on Jev: 212 entries across 13 categories, from classification and routing to agent decisions, calibration, infra/SDKs, and finance, with explicit inclusion rules.
Sites & Guides#community#awesome-list#agents
Communityv-modal/awesome-jev-tools
Awesome Jev
824GitHub stars
An independent, community-maintained catalog of 640 open-source projects built with Jev across 11 categories, paired with the jevbest.com site and citing public evidence behind each entry.
Sites & Guides#community#typescript#awesome-list
Communityheyjunpenn/awesome-jevAstro
tinystruct
357GitHub stars
A lightweight, pluggable Java framework for CLI, HTTP, and modular applications that carries Jev, TypeSafe, and MCP-server topics; added from Maven as org.tinystruct:tinystruct and requiring JDK 17 or higher.
Repos & SDKs#community#java#cli
Communitytinystruct/tinystructJava
OpenAI Scala Client
250GitHub stars
An async Scala client for the OpenAI API and multiple providers, with a dedicated TypeSafe AI adapter that answers Jev System One typed questions alongside Anthropic, Gemini, Groq, and Perplexity support.
Repos & SDKs#community#scala#sdk
Communitycequence-io/openai-scala-clientScala
jev-chat-windows
554GitHub stars
A Windows WeChat side panel that reads the visible conversation with local RapidOCR, has Jev judge intent and tension and rank three reply candidates, then fills the chosen one into the input box; sending is always manual.
Tools & Integrations#community#python#windows
Communityjev-chat/jev-chat-windowsPython
Awesome Jev
206GitHub stars
A source-backed directory of 157 open-source projects built with Jev whose submissions are reviewed by the Jev Review Action, which checks source evidence and suggests a category while maintainers decide merges.
Sites & Guides#community#javascript#awesome-list
Communityfatwang2/awesome-jevJavaScript
Jev X Sentiment Analysis
169GitHub stars
An on-demand crypto decision-support terminal that ingests 50-1,000 tweets through a two-tier statistical pipeline, then has Jev's System One answer four typed questions and return a decision card with entry ranges, stop losses, and targets without executing trades.
Tools & Integrations#community#python#trading
Communitybrainstormity/Jev-X-Sentiment-AnalysisPython
Reticle
862GitHub stars
An MCP server and agent skill that verifies coding-agent work by driving the real running app and returning pass, fail, or couldn't-tell verdicts with the file:line to fix; its listing frames the approach as Jev-style machine-native runtime perception.
Tools & Integrations#community#typescript#mcp
Communityreticlehq/reticleTypeScript
AI Stock
338GitHub stars
A Python multi-agent stock research workspace covering 12 markets with optional JEV trading decisions: configure a TypeSafe key, select the JEV decisions-only strategy, and get buy/sell/hold, probabilities, and confidence without a research report.
Tools & Integrations#community#python#trading
CommunityEthanAlgoX/AIStockPython
socai
217GitHub stars
A local browser agent that reads social media by driving your signed-in Chrome across Xiaohongshu, TikTok/Douyin, Instagram, and LinkedIn; a companion Jev Social demo lets Jev choose bounded socai CLI operations and produce a source-linked report.
Tools & Integrations#community#rust#browser
Communitysocai-io/socaiRust
Glowbom OSS
165GitHub stars
An open coding-agent workflow where every project has a Project Book that people and agents can read; it wires in Jev as an optional helper for small decisions like whether a build looks healthy, through OpenCode Zen's free Jev endpoint with no separate key.
Tools & Integrations#community#go#coding-agent
Communityglowbom/glowbom-ossGo
Awesome Jev
151GitHub stars
A curated, awesome-lint-clean list of projects built on TypeSafe's Jev, the first System One model, with a searchable site whose search is reranked by Jev and a "know before you build" section on limits.
Sites & Guides#community#awesome-list#skills
Communityvalentynkit/awesome-jev-typesafeJavaScript
Stanley
115GitHub stars
A Jev-first command-line coding agent: natural-language requests are routed by Jev to one of ten bounded review and triage workflows, and unsupported requests fall back to the Pi coding agent or a workflow Stanley stages for promotion.
Tools & Integrations#community#typescript#cli
Communitydevagrawal09/stanley-codeTypeScript
Jev × LIBERO
67GitHub stars
A fine-grained robot control study loop for LIBERO tasks: Jev layers an intent, a contact or motion family, and one of 27 control inputs, while reversible MuJoCo previews evaluate each candidate before execution.
Cookbooks & Demos#community#python#robotics
CommunityDimweaker/jev-liberoPython
Vibe Check for X
47GitHub stars
A Chrome and Firefox extension that scores a draft X post with Jev before posting: virality, clarity, ragebait, insult level, regret risk, and typo detection, plus a Send it / Sleep on it verdict.
Tools & Integrations#community#javascript#chrome-extension
CommunityRafalWilinski/vibecheckJavaScript
pi-jev (semantic tool router)
50GitHub stars
A Pi coding-agent extension that routes tools and skills with Jev: one pass activates only what a prompt needs, with opt-in model selection, tool-call guards, and compaction.
Tools & Integrations#community#typescript#coding-agent
CommunityTheoOliveira/pi-jevTypeScript
RefGarden
33GitHub stars
A local 3D reference gallery where Jev chooses search phrases and highlights matching Met, NASA, Cosmos, and Prelinger Archive items from their text metadata.
Cookbooks & Demos#community#typescript#demo
CommunityAlbionaHoti/refgardenTypeScript
Jev Capability Atlas
27GitHub stars
A bilingual field map of where Jev fits and where it fails, separating the author's raw API suites from cited third-party results and TypeSafe's own claims.
Practices & Patterns#community#python#evaluation
CommunityZaious/jev-capability-atlasPython
JEVfire
67GitHub stars
An independent CUDA and vLLM take on parallel typed decisions: it scores verified single-token labels with the model's own head and assembles JSON in code.
Practices & Patterns#community#python#javascript
Communitykikoncuo/jevfireJavaScript
jevframe
18GitHub stars
A Python library that adds .jev accessors to pandas and Polars: ask a natural-language question per row and get labels, scores, and full probability distributions back.
Repos & SDKs#community#python#data
Communityktaletsk/jevframePython
Hermes Jev Approvals
16GitHub stars
A Hermes Agent plugin that replaces the auxiliary approval reviewer with TypeSafe's Jev decision model: one request asks six typed questions and deterministic code returns APPROVE, DENY, or ESCALATE.
Tools & Integrations#community#python#agents
Communityanpicasso/hermes-jev-approvalsPython
TypeSafe Experiments
14GitHub stars
Interactive browser experiments that expose Jev's judgments: a support-message Decision Lab and a driving simulation where structured sensor state becomes typed steer, brake, and overtake decisions.
Cookbooks & Demos#community#javascript#demo
Communitykavehmz/typesafe-playgroundJavaScript
Awesome Jev
12GitHub stars
A selective awesome list of Jev projects, integrations, and resources: 241 entries each checked to actually call Jev, admitted at a 10-star bar, and paired with hands-on reviews at mrjev.com.
Sites & Guides#community#awesome-list#python
CommunityMrJev/awesome-jevPython
OMP Jev Compaction
9GitHub stars
An omp plugin that does verbatim Jev-scored context reduction: stale tool calls and results are truncated to a short head plus a recoverable note, while sticky rewrites keep the provider's prompt cache intact.
Tools & Integrations#community#typescript#compaction
Communityjerryfane/omp-jev-compactionTypeScript
Jev Agent Browser
11GitHub stars
Delegated browser execution for parent agents: Jev picks one bounded typed action from the current page snapshot, agent-browser performs it, and ambiguous or stuck flows escalate back to the parent.
Tools & Integrations#community#javascript#browser
Communityforvela/jev-agent-browserJavaScript
HEIST//ONE
8GitHub stars
An observable stealth game where Jev supplies guards' split-second judgments while deterministic code owns the 30 Hz simulation, validates every proposal, and exposes each decision in a Decision Lens.
Cookbooks & Demos#community#typescript#games
CommunityAbdelStark/heist-oneTypeScript
poorjev
9GitHub stars
An open, local-first alternative to Jev that reproduces the Choice, Score, and Noul interface on commodity zero-shot NLI models with temperature scaling and conformal abstention, and runs offline with no API key.
Practices & Patterns#community#python#calibration
Communityrupeshpoojary9/poorjevPython
DiffJury
8GitHub stars
A Next.js app that fetches a public GitHub pull request's dossier and runs one Jev systemOne judgment, returning risk scores, noul probabilities, review depth, and an approve, request-changes, or block verdict.
Tools & Integrations#community#typescript#classification
Communityraihankhan-rk/diffjuryTypeScript
Jev Auto Router
7GitHub stars
An experimental Codex CLI router where a local Responses proxy asks Jev one Choice per model call to select a host-available model and reasoning effort, while application-owned acceptance decides whether the task passed.
Tools & Integrations#community#typescript#codex
CommunityminiLV/Jev-Auto-RouterTypeScript
JevSQL
6GitHub stars
A zero-dependency Node library and CLI that adds Jev natural-language predicates and decision tables to SQLite, with batching, caching, review queues, and saved decisions queryable as ordinary SQL tables.
Tools & Integrations#community#javascript#sql
CommunityEugeneBoondock/jevsqlJavaScript
Jev on Workers AI
Cloudflare Workers AI's model page for typesafe/jev: run the structured evaluation model through an env.AI.run binding or the REST /ai/run endpoint, with typed Noul, Choice, and Score questions and worked examples.
Tools & IntegrationsDocs#community#cloudflare#integration
Community
TypeSafe Provider
@ai-sdk/typesafe-ai adds an evaluation model to the Vercel AI SDK: one experimental_evaluate call sends a state with choice, score, and boolean questions and returns typed answers, probabilities, confidence, and usage.
Tools & IntegrationsDocs#community#vercel#integration
Community
OpenRouter Labs: Prompt to questions
An OpenRouter Labs recipe that has Claude rewrite a pasted prompt into Jev questions, then runs Jev on every row while a chat model races the same job, comparing answers, requests, time, cost, and accuracy.
Cookbooks & DemosPlayground#community#openrouter#playground
Community
Made with Jev
A use-case directory of 473 Jev builds, 107 guides, and 8 use cases where each entry links to its source and shows the cost and speed its author reported, with category filters and free tools.
Sites & GuidesArticle#community#directory#use-cases
Community
Awesome Jev
A community directory of 899 Jev projects refreshed daily from GitHub, with 814 repos plus live sites, articles, and threads, star counts, category filters, a jev-latest spec sheet, and a top-starred list.
Sites & GuidesArticle#community#directory#awesome-list
Community
The Year in AI Papers
A browsable atlas of 1,018 AI papers from August 2025 to August 2026, sorted into 24 topic collections with labs, citations, and code links, plus a reproducible cost benchmark for summarizing 1,000 papers.
Sites & GuidesArticle#community#directory#benchmarks
Community
Jev (AI model)
Wikipedia's article on Jev: TypeSafe AI, the September 15, 2026 early-access release of jev-1.13.0, the Choice, Score, and Noul primitives, RLCD training, and the unpublished weights and technical paper.
Sites & GuidesArticle#community#article#models
Community
TypeSafe AI debuts model for machines that plays Doom
The Register's launch report on TypeSafe AI's Jev: the $40 million raise, typed probabilistic decisions, the Doom demo, the 70-500 ms latency and $0.042/MTok pricing claims, and the structured-output caveat.
Sites & GuidesArticle#community#article#press
Community
TypeSafe AI's Jev offers an alternative to LLMs that claims to be 193x faster and 445x cheaper
Tom's Hardware's launch report on Jev, covering how the API takes program state and typed statements and returns yes/no answers, choices, or probability distributions with confidence values.
Sites & GuidesArticle#community#article#api
Community
[AINews] Jev: a “System One Model” that only decides/classifies/routes/scores — >100x faster, >200x cheaper than small frontier LLMs
Latent Space's AINews roundup of launch day: the Jev thread atop Hacker News, the RLCD decision-model framing, and community readings that compare it to DSPy-style typed signatures for routing and scoring.
Sites & GuidesArticle#community#article#models
Community
Mini-Vibe Check: TypeSafe's Jev Judged Everything I've Written in 0.7 Seconds
Every's head of evals ran Jev across 27 of his articles plus 10 AI-styled fakes, asking 21 AI-tell questions about each and reporting what the judgments caught and where he would not trust them yet.
Practices & PatternsArticle#community#evaluation#writing
Community
Introducing System One Models and Jev
The Hacker News launch thread for Jev, with the CEO agreeing the shape is a zero-shot classifier and commenters mapping it to encoders, constrained decoding, and typed classification.
Sites & GuidesPost#community#models#evaluation
Community
TypeSafe AI's Jev Is Not an LLM — And That May Be the Point
News analysis arguing Jev's refusal to generate text is the feature, covering the $40M seed, the OpenAI-veteran founding team, and what structured, thresholdable decisions mean for agent pipelines.
Sites & GuidesArticle#community#article#models
Community
Jev: TypeSafe's System One Model Explained
DataCamp's explainer walks the eval tables behind System One models, from 67.8% workflow accuracy and 0% structured-output errors to the $0.042 per million token price and how to call the API.
Sites & GuidesArticle#community#article#evaluation
Community
Jev: one judge call, or twelve dimension scores? I measured both on three tasks
An independent measurement spanning 5,477 test rows and 34.1M input tokens, comparing one direct Jev question per row with 12-14 scored dimensions fitted to local labels.
Practices & PatternsArticle#community#benchmarks#evaluation
Community
Testing Jev on public and private data: classifier or filter?
Sixteen thousand calls against gpt-5.4-mini and gpt-5.6-luna on four public datasets plus production pipeline decisions, with a threshold procedure and an explicit filter-not-replacement verdict.
Practices & PatternsArticle#community#benchmarks#evaluation
Community
An early-access test of TypeSafe's Jev: calibrated judgments for half a cent
An independent trial running Jev on 24 Norwegian resource-tax hearing responses with eleven typed questions each, then comparing agreement, calibration, latency and cost against DeepSeek V4.1 Flash.
Practices & PatternsArticle#community#evaluation#calibration
Community
Testing TypeSafe Jev, Mistral and Gemini for local event validation
A use-case study comparing Jev, Mistral Small 4, and Gemini 3.5 Flash-Lite on rejecting unsuitable local-event listings, with individually tuned prompts, accuracy, response times, and costs.
Practices & PatternsArticle#community#article#benchmarks
Community
How Much Does a Technical SEO Audit Cost in 2026?
A 2026 technical SEO audit price survey plus a measured case where a Jev pipeline crawled and judged 1,204 pages, producing 4,816 typed judgments in under three minutes for under $1 in model cost.
Practices & PatternsArticle#community#article#pricing
Community
Jevals — Independent Jev Benchmark for Models That Decide
An independent benchmark of hosted Jev against six LLMs on PubMedQA, Banking77, and HelpSteer2, scoring decisions against human labels and reporting per-board results for each model.
Practices & PatternsArticle#community#benchmarks#evaluation
Community
JEV CHESS
A single shared chess game where visitors play against Jev, which weighs every legal move at once as one Choice question and shades the board with its probabilities.
Cookbooks & DemosPlayground#community#playground#demos
Community
Jev Wrapped
A Telegram channel X-ray that pulls up to 1,500 public posts from the past year and has Jev rate each one, tallying news, ads, jokes, and clickbait into a shareable card.
Cookbooks & DemosPlayground#community#playground#demos
Community
Yes / No — Free Jev Demo
A free no-signup demo that turns any question into Yes, No, or Maybe by calling jev-latest through TypeSafe's System One API, with live web search for questions that depend on current facts.
Cookbooks & DemosPlayground#community#playground#demos
Community
jev-fit
A hosted checker and public API that takes a pasted software idea and returns a Jev verdict with success potential, backed by a task guide and a POST /api/fit endpoint.
Cookbooks & DemosPlayground#community#playground#api
Community
TypeSafe Typewriter
A live Val Town demo that re-asks 16 typed judgments about your text in a single API call on every keystroke, covering traits like passive-aggressive, AI-written, tone, and urgency.
Cookbooks & DemosPlayground#community#playground#demos
Community
SemanticSpace
A semantic mapping playground where you choose any two concepts as axes, add words or phrases, and Jev places each one by how strongly it relates to both axes.
Cookbooks & DemosPlayground#community#playground#demos
Community
Screening agent actions with Jev
A test report that puts Jev in front of each agent action before it runs: most attacks were caught, with almost no false positives on legitimate tool calls.
Tools & IntegrationsPost#community#x#agents
Community
AI multiple choice, not essay writing
One of the most-shared plain-language explainers of the launch: Jev as AI multiple choice rather than AI essay writing, and why that framing clicked for builders.
Sites & GuidesPost#community#x#explainer
Community
Cua's small System One models
Cua announces an open family of small, specialised System One models for computer use, starting with form filling, and argues narrow tasks deserve narrow models.
Repos & SDKsPost#community#x#open-models
Community
A 706K-parameter form filler
A 706,000-parameter model fills a whole form for a fraction of a cent, presented as the specialist case for System One models on narrow tasks.
Practices & PatternsPost#community#x#open-models
Community
Navigating Neo4j with Jev
A Neo4j integration where Jev picks the next relationship to follow at each node, turning graph navigation into a sequence of typed choices.
Tools & IntegrationsPost#community#x#graph
Community
Security decisions that fit Jev
An argument that security work is full of bounded engineering decisions that belong to Jev rather than a chat model, with examples of the calls that fit.
Practices & PatternsPost#community#x#security
Community
A million judged questions
A public Convex-backed demo that invites visitors to run a million judged questions, showing the real-time app shape around a decision model.
Cookbooks & DemosPost#community#x#demo
Community
Reranking 33,047 catalog entries
A measured search reranking run over 33,047 catalog entries, 164 real queries, and 9,831 labelled pairs, reporting how Jev compares with BM25 and bge-m3.
Practices & PatternsPost#community#x#search
Community
Six uses that stuck after 60 days
A practitioner's field notes on the six Jev uses he still expects to rely on after 60 days, including which early experiments did not stick.
Sites & GuidesPost#community#x#use-cases
Community
Inferring Jev's internals from 1,000 calls
Notes from a technical analysis that inferred Jev's internals from roughly 1,000 API calls, probing how probabilities and confidence behave.
Practices & PatternsPost#community#x#analysis
Community
The open System One roundup
A Chinese-language roundup of open System One efforts including Laya 421M, Decider-2B, NanoJev 0.6B, Reflex, and System-One 4B, with parameter counts.
Sites & GuidesPost#community#x#open-models
Community
Where the Jev discussion happened
An observation on where launch-week discussion landed: only three Jev posts on Reddit while X filled up with demos, threads, and measured runs.
Sites & GuidesPost#community#x
Community
API Reference
The raw HTTP contract behind every SDK: POST a state plus typed noul, choice, and score questions to /v1/systemone, and get one answer per question, with error codes and retry guidance.
Sites & GuidesDocs#official#docs#api
Official
Models
The model card for jev-1.13.0: $42 per billion input tokens with free output, a 64k context, 250k tokens per second, and how to list the models your account can call.
Sites & GuidesDocs#official#docs#models
Official
State
How to shape what Jev evaluates: a string, a named object, or an array of messages. Every question in a request sees the same state and is evaluated independently.
Practices & PatternsDocs#official#docs#state
Official
System One
The idea behind Jev: models that return typed decisions and probabilities instead of generated text, named after Kahneman's fast-thinking System 1, with confidence to route around uncertainty.
Sites & GuidesDocs#official#docs#architecture
Official
AI Primer: RLCD and Calibration
Why TypeSafe trains decision models with RLCD instead of RLHF: calibrated probabilities where 0.2 outcomes happen about 20% of the time, and the case for machine-to-machine automation.
Sites & GuidesDocs#official#docs#evaluation
Official
Jev 1.13 Jaggedness
A maintained list of jev-1.13's known failure modes, literal reading, unreliable counting, dates as text, indirection, context rot, and contradictory criteria, each with a guardrail.
Practices & PatternsDocs#official#docs#evaluation
Official
Choice
Pick one option from a set you define. Returns the option, the full probability distribution, and 0-1 confidence, with up to 255 options and parallel questions that barely add latency.
Practices & PatternsDocs#official#primitives#choice
Official
Score
Rate content against 2 to 10 ordered levels. Returns a probability-weighted score that can land between levels, per-level probabilities, and confidence, with the arithmetic left to code.
Practices & PatternsDocs#official#primitives#score
Official
Noul
The yes/no primitive: one probability from 0 to 1, where the value is the answer and no separate confidence is needed. True and false criteria pin down subtle boundaries.
Practices & PatternsDocs#official#primitives#noul
Official
Advanced: Structure
Instructions, option descriptions, score levels, and noul criteria all accept JSON, so you can label question parts, pass schemas and taxonomies, and keep candidate paths alive.
Practices & PatternsDocs#official#primitives#architecture
Official
Pattern: Composite Scoring
Break a judgment into atomic Score questions, normalize each by its top level, and combine them with weights you control in code, as in the resume example's four scored dimensions.
Practices & PatternsDocs#official#patterns#score
Official
Pattern: Confidence-Gated Routing
Use the answer to decide what to do and confidence to decide whether to act: the voice-banking example routes below 0.6 to a human and needs 0.85 or more to auto-approve a transfer.
Practices & PatternsDocs#official#patterns#confidence
Official
Pattern: Speculative Fan-Out
Ask everything the system might need in one request, then let code throw away what it does not use. The ticket-triage example sends a category plus four speculative questions in parallel.
Practices & PatternsDocs#official#patterns#batching
Official
Pattern: Intent Routing
Classify intent with a Choice and complexity with a Score, then send each branch to deterministic code, a specialist model, or a person, with a 0.5 intent-confidence floor.
Practices & PatternsDocs#official#patterns#routing
Official
Demos
The official demo hub, currently home to the Smart Home Assistant, which uses speculative questions to pick a tool and falls back to a general model when nothing fits.
Tools & IntegrationsDocs#official#demo#tool-calling
Official
Client SDKs
The official SDK hub: Python and JavaScript/TypeScript clients with typed questions and answers plus automatic retries, and the HTTP API for every other language.
Repos & SDKsDocs#official#docs#sdk
Official
JavaScript SDK Guide
Quickstart for @typesafe-ai/sdk on Node 20+: answer types inferred from your questions, a choice() helper, and one systemOne call to classify a support ticket.
Repos & SDKsDocs#official#docs#sdk
Official
Python SDK Guide
Usage guide for typesafe-sdk: sync and async clients, uv and pip installs, and one request mixing Noul, Choice, and Score questions with answers grouped by type.
Repos & SDKsDocs#official#docs#sdk
Official
Cookbook: Line-by-Line Search
Semantic search over GitHub's Terms of Service: one request ranks all 218 lines with a Choice while a Noul checks whether the document contains an answer at all, including when it should say no.
Cookbooks & DemosDocs#official#cookbook#search
Official
Cookbook: SDE Cascade
A two-stage extraction cascade: a mini model extracts, a Noul battery verifies each field in one request, and a 0.7 gate escalates to a reasoning model, sitting on the cost/quality frontier.
Cookbooks & DemosDocs#official#cookbook#extraction
Official
Cookbook: Function Calling
Turn natural language into typed function calls: closed-set arguments become Choice questions, optional ones become Noul questions, and 54 questions ship in one request for a trading assistant.
Cookbooks & DemosDocs#official#cookbook#tool-calling
Official
Cookbook: Knowledge Graph Entity Alignment
Decide which of 450 candidate product pairs from two beer catalogues describe the same entity: one three-level Score per pair splits 40 merges, 50 curator reviews, and 360 non-matches.
Cookbooks & DemosDocs#official#cookbook#entity-matching
Official
Cookbook: Double-Checking Citations
Catch wrong and hallucinated citations against RFC 7519 with a string match plus one Choice question: four accurate citations verified at 0.93 or more and all four planted failures caught.
Cookbooks & DemosDocs#official#cookbook#citations
Official
Cookbook: Self-Consistency for Choices
A repeatability study: an 8-question moderation rubric run 15 times per condition shows a mean probability standard deviation of 0.0098, and a 0.60 uncertainty gate lifts agreement to 99.2%.
Cookbooks & DemosDocs#official#cookbook#consistency
Official
Cookbook: Self-Consistency for Nouls
A 14-Noul claims-triage rubric over one insurance claim, repeated 15 times: mean probability standard deviation of 0.0102 at 111 ms per call, with a 0.30 to 0.70 band for human review.
Cookbooks & DemosDocs#official#cookbook#consistency
Official
Cookbook: Date Extraction
Extract dates by asking seven Choice questions about a date's shape and parts, then resolving them in code: five of six examples auto-accepted and missing dates flagged at 0.46 confidence.
Cookbooks & DemosDocs#official#cookbook#extraction
Official
Cookbook: Classifying RAG Passages
Score retrieved passages with four Noul questions each, then route in code: prompt injections dropped, false premises kept as conflicts, and evidence assembled separately for the generator.
Cookbooks & DemosDocs#official#cookbook#search
Official
Cookbook: Skill Suggestion
Rank 182 agent skills in one request and re-read the top three in a second: over 488 requests, wrong skill loads fell from 16.8% to 7.3% and needless loads from 9.8% to 4.0%.
Cookbooks & DemosDocs#official#cookbook#agents
Official
Cookbook: Structure Recovery
Reconstruct Markdown from unformatted text in two requests: 16 Noul line-pair questions stitch split sentences, then 62 questions classify each block's type and companions.
Cookbooks & DemosDocs#official#cookbook#formatting
Official
Cookbook: Autoresearch Feature Discovery
Turn wine tasting notes into 67 numeric columns for a CatBoost regressor: five rounds of reading its own errors cut held-out RMSE from 3.09 to 1.77 across 800 unseen reviews.
Cookbooks & DemosDocs#official#cookbook#research
Official
Cookbook: Pre-Parsed Value Extraction
Regex finds candidate emails, phone numbers, and amounts; Jev picks the requested span so code copies a verbatim value that cannot be invented, with no free-text extraction required.
Cookbooks & DemosDocs#official#cookbook#extraction
Official
TypeSafe Is Out of Stealth
TypeSafe AI's official launch post: the company is out of stealth and developers can get access to Jev from the website, alongside the founder's launch thread.
Sites & GuidesPost#official#x#launch
Official
Jev on Vercel AI Gateway (Announcement)
TypeSafe's announcement that Jev is available on the Vercel AI Gateway, linking the model page with the Jev API, pricing, and playground.
Tools & IntegrationsPost#official#x#vercel
Official
Foreman
562GitHub stars
A Python asyncio runtime that puts Jev in a supervision loop above Codex or OpenCode workers: it judges completion, test sufficiency, and stuck loops, then steers, retries, or stops the job.
Tools & Integrations#community#python#coding-agent
Communitythruwire/foremanPython
Jev Review
611GitHub stars
A staged code-review workflow that uses Jev for bounded judgments over Git diffs or whole codebases, with a local dashboard. Policy and thresholds stay in code while Jev screens five risk areas.
Tools & Integrations#community#typescript#code-review
Communitydevagrawal09/jev-reviewTypeScript
TypeSafe Mario
393GitHub stars
An experimental controller that has Jev choose NES inputs to play Super Mario Bros. from structured emulator telemetry instead of screenshots, logging every decision with probabilities and latency.
Cookbooks & Demos#community#python#games
Communityfhshaik/typesafe-marioPython
Jev Search
457GitHub stars
A web-search app where Jev picks sources, time ranges, and query terms, then ranks results from a dozen engines through Search1API, returning links and relevance scores instead of generated answers.
Tools & Integrations#community#typescript#search
Communitysuperagents-lab/jev-searchTypeScript
pg-jev
356GitHub stars
A PostgreSQL extension that filters, ranks, and classifies table rows with plain-language conditions judged by Jev, batching 20 rows per request and caching answers per session.
Tools & Integrations#community#postgres#sql
CommunityrealZachi/pg-jevShell
Jev Browser
267GitHub stars
A browser-use agent where Jev picks one action per step from a page's interactive elements. Runs as an MCP server, CLI, or library and returns a step trace, screenshot, and console errors.
Tools & Integrations#community#typescript#mcp
Communityjkudish/jev-browserJavaScript
Jev MCP
340GitHub stars
An MCP server exposing ten Jev judgment tools, including verify, screen, find, rerank, classify, review, and gate, each returning typed probabilities in roughly 150 to 500 ms.
Tools & Integrations#community#typescript#mcp
Communityjkudish/jev-mcpJavaScript
voice-browser
287GitHub stars
Control a headed Chromium window by voice: one Jev request per partial transcript decides intent, target, and completeness in roughly 300 ms, while code applies thresholds and builds the action.
Tools & Integrations#community#javascript#browser
Communitymoritzkremb/jev-voice-browserJavaScript
Typesafe MCP
303GitHub stars
A single-binary Go MCP server exposing one evaluate tool for noul, choice, and score questions, with one-command registration for Claude Code, Claude Desktop, and Codex.
Tools & Integrations#community#go#mcp
Communityitsmostafa/typesafe-mcpGo
Building with Jev
133GitHub stars
An agent skill for writing and improving programs that call Jev: question design, state structure, answer composition, confidence thresholds, and how to diagnose a question that keeps coming back wrong.
Practices & Patterns#community#skills#claude-code
Communitydbreunig/building-with-jev-skill
jev-pruner
146GitHub stars
A Claude Code plugin that trims long Bash output after a command runs but before the model sees it: irrelevant chunks are dropped with omission markers while errors, diffs, and code are preserved.
Tools & Integrations#community#typescript#claude-code
Communitytamaratran/jev-prunerTypeScript
jev-semgrep
144GitHub stars
Grep by meaning instead of regex: Jev scores every line, meanings combine with AND, OR, and NOT, and one query matches across Japanese, French, German, Spanish, and more.
Tools & Integrations#community#javascript#cli
Communityuehaj/jev-semgrepJavaScript
pi-jev
146GitHub stars
A Pi coding-agent extension with Jev as a decision layer: a gate judges bash, write, and edit calls before they run, and an output judge flags leaked secrets and classifies failures.
Tools & Integrations#community#typescript#coding-agent
Communityy0usaf/pi-jevTypeScript
Advocaat
92GitHub stars
A small TypeScript client for asking typed questions about your data: one ask call mixes yes/no, choice, and score questions and returns probabilities, selected options, and confidences.
Repos & SDKs#community#typescript#sdk
Communitypithings/advocaatTypeScript
SkillRanker
120GitHub stars
A Rust CLI that ranks agent skills for the next step with a two-stage Jev pass plus lexical prefiltering, with Claude Code hooks, a TUI, abstention, and --why-not explanations.
Tools & Integrations#community#rust#cli
CommunityDicklesworthstone/skillrankerRust
jev-drone
193GitHub stars
A camera-only MuJoCo quadrotor that uses Jev for tactical maneuvers at 2.5 Hz while classical perception and a 50 Hz reflex layer keep safety outside Jev, clearing a five-station course.
Cookbooks & Demos#community#python#robotics
CommunityRomanSlack/jev-dronePython
pg_typesafe
87GitHub stars
A pre-alpha PostgreSQL extension for categorical work in SQL: Noul, Choice, and Score functions plus batched variants that classified 38 strings in two requests.
Tools & Integrations#community#postgres#sql
Communitygiuliosmall/pg_typesafeC
jevmeter
84GitHub stars
Render a live Jev meter over any video: Whisper transcribes, every sentence is scored, and ffmpeg exports a 16:9 edit with flags and a scoreboard. Presets cover debates, calls, and pitches.
Tools & Integrations#community#python#video
CommunityChetasLua/jevmeterPython
jev-shell-history
112GitHub stars
Fish-style zsh autosuggestions ranked by Jev: each keystroke asks which of your last 100 distinct history entries you are completing and shows the best match for one-key acceptance.
Tools & Integrations#community#typescript#zsh
Communitymrnugget/jev-shell-historyTypeScript
jevcache
72GitHub stars
A local decision ledger for Jev-class models: caches decisions keyed by redacted model, schema, and state, replays them deterministically in CI, and publishes bundles without raw state.
Tools & Integrations#community#rust#caching
Communityhyperspaceai/jevcache
Jev Python Tutorial: Classify and Score Requests
A Python walkthrough of typesafe-sdk: sync and async clients, grouping answers into choices, scores, and nouls, and routing uncertain cases to review, with arithmetic kept in Python.
Sites & GuidesArticle#community#tutorial#python
Community
How to Use Jev: A Practical Guide
A practical guide through SDK setup, the three primitives, and five patterns including speculative fan-out, confidence-gated routing, composite scoring, and a retrieval-then-judge cascade.
Sites & GuidesArticle#community#tutorial#python
Community
AI That Doesn't Talk: A Plain-English Guide to Jev
A plain-English guide to Choice, Score, and Noul with Python and curl examples, confidence-gated branching for support, moderation, and fintech, plus a skeptical read of the benchmarks.
Sites & GuidesArticle#community#guide#python
Community
What Can You Build With Jev? Documented Use Cases
A map of documented Jev use cases, routing, guardrail verification, citation checking, reranking, rubric scoring, bulk classification, and semantic linting in CI, each with a confidence policy.
Practices & PatternsArticle#community#routing#evaluation
Community
Jev in the Agent Runtime
An engineering note that places Jev as a typed micro-decision layer inside an agent harness rather than a planner, with preconditions for confidence gates and fan-out and a runtime split into five parts.
Practices & PatternsArticle#community#agents#routing
Community
Typed Decision Models: Jev and Laya in Agentic AI
A comparative review of Jev and the open-source Laya encoder: interfaces, deployment, disclosed internals, calibration claims, and the limits of agreement-based workflow evals.
Practices & PatternsArticle#community#evaluation#calibration
Community
Building a Harness with Jev (LangChain)
LangChain's langchain-typesafe integration exposes Jev as a TypeSafeClassifier plus experimental model-routing and auto-mode middleware that screens risky tool calls before execution.
Tools & IntegrationsArticle#community#integration#python
Community
Jev Launch Post
Diogo Almeida's launch thread: after co-inventing ChatGPT, he spent two years on RLCD and Jev, a System One model he pitches as 20-200x faster and 40-400x cheaper for typed decisions.
Sites & GuidesVideo#community#x#video
Community
Jev Trading Bot Demo
A video demo of a bot that asks Jev to decide buy or sell from a live price feed, then places real orders on Kuru's on-chain order book on Monad every 300ms block.
Cookbooks & DemosVideo#community#x#video
Community
Classifying 1,500 Real Emails
vogel ran Jev over 1,500 of his own emails to test classification quality and posted the results as a video, calling it the most impressive model he has tried for the task.
Cookbooks & DemosVideo#community#x#video
Community
Browser Use with Jev + Stagehand
Kyle Jeong's demo of browser use with Jev and Stagehand: the accessibility tree is the state, actions are the questions, and one remote-browser task cost $0.001 at near-instant speed.
Cookbooks & DemosVideo#community#x#video
Community
Jev as an LLM Judge
Yuchen Jin's take on Jev for LLM-as-a-judge work: 20-200x faster and 40-400x cheaper, with a screenshot of the model picking which candidate is AGI after a prompt sweep under $0.10.
Practices & PatternsPost#community#x#evaluation
Community
Fast Jev Compaction Demo
Tamara's demo of fast-jev-compaction for Claude Code: instead of summarizing context, Jev scores every tool call and drops the irrelevant ones, with a video of it running.
Tools & IntegrationsVideo#community#x#video
Community
Claude Context Cut from 1M to 86K
Alex Volkov reports that a Jev-powered Claude plugin reviewing unnecessary tool calls cut a session from nearly 1M to 86K tokens in about one second, with the install prompt in the post.
Tools & IntegrationsPost#community#x#claude
Community
Vercel fx Safety Reviewer on Jev
Guillermo Rauch says the fx auto-mode safety reviewer, currently on GPT Luna, is up to 18x faster at p95 and more accurate with Jev, and that Jev is coming to Vercel AI Gateway.
Tools & IntegrationsPost#community#x#vercel
Community
Jev Launches on OpenRouter
OpenRouter's beta announcement for Jev: state plus typed questions returns typed decisions with probabilities, so there is no JSON prompting, parsing layer, or output validation.
Tools & IntegrationsVideo#community#x#video
Community
Jev-Powered Browser Use Preview
dax previews how fast browser use can be with Jev as the decision layer and OpenCode's browser-use CLI, quote-posting a demo video of the loop in action.
Cookbooks & DemosPost#community#x#browser
Community
700 Leads Scored for $0.09
Gojiberry's Romàn reports scoring 700 high-intent leads and personalized outreach messages in 40 seconds for $0.09, with confidence scores and lead-message mismatch detection.
Cookbooks & DemosVideo#community#x#video
Community
Jev Beats Gemini Flash Lite on a Classifier Eval
Vercel CTO Malte Ubl reports that Jev beat an existing classifier eval previously run on Gemini 2.5 Flash Lite, saturating the eval on quality and running 6x faster.
Practices & PatternsPost#community#x#evaluation
Community
Browser Use Ultrafast with Jev
Browser Use's Ultrafast agent puts Jev in charge of picking each browser action from a dynamic DOM action space. The author reports a flight search in 7 seconds for about $0.0039.
Tools & IntegrationsVideo#community#x#video
Community
Jev as a Really Smart Switch Statement
A hype-free framing of Jev: not a replacement for GPT or Claude, but a new tool class for fast, cheap structured decisions, like 2016-era classifiers with 2026-level intelligence.
Sites & GuidesPost#community#x#explainer
Community
When a Designer Gets Jev
A 33-second demo clip captioned "when a designer gets access to Jev", among the most-liked organic Jev posts, showing a polished interface built on top of typed decisions.
Cookbooks & DemosVideo#community#x#video
Community
Jev Projects Roundup Thread
A curated thread of the strongest Jev community projects found on X within the first days of launch, from the creator behind the Jev voice browser and a full video tutorial.
Sites & GuidesPost#community#x#roundup
Community
Full Jev Video Tutorial
A 22-minute walkthrough covering what Jev is, API setup, and three demos: a voice-controlled browser, AI memory, and a YouTube predictor, with chapter timestamps in the post.
Sites & GuidesVideo#community#x#video
Community
Search Postgres in Plain Language
The pg-jev author demos jev(), a PostgreSQL extension that filters table rows with natural-language conditions and no index or embeddings, judging 129 rows in about a second.
Tools & IntegrationsVideo#community#x#video
Community
On Jev-Scored Compaction: A Critique
A widely read counterpoint to Jev-based context compaction: compaction is reconstruction, not filtering, and scoring tool calls to drop history misunderstands context management.
Practices & PatternsPost#community#x#compaction
Community
Jev + WebMCP Breaks a Benchmark
The WebMCP benchmark author reports that Jev paired with the small Mercury 2.5 model solved 100% of tasks at roughly 112x lower model cost than GPT-6 Astra with computer use.
Practices & PatternsPost#community#x#benchmark
Community
Jev Model Router Demo
A short demo of a model router built with Jev: each request is classified by Jev and forwarded to the model judged most suitable, shown as a screen recording.
Tools & IntegrationsVideo#community#x#video
Community
A Live BS Meter on a Debate
The jevmeter author runs five yes/no questions per sentence across a debate: 1,191 Jev calls, 1.18M tokens, 415 ms median latency, and $0.0497 for the full run.
Cookbooks & DemosVideo#community#x#video
Community
DuckDB Extension for Row Classification
A DuckDB extension that classifies rows in CSV, Parquet, or DuckDB tables with Jev, reported at about 10 seconds for 1,000 rows and framed as more ergonomic than a bespoke classifier.
Tools & IntegrationsPost#community#x#duckdb
Community
Jev on Cloudflare AI Gateway
Cloudflare's developer account announced that Jev is available on AI Gateway, callable from Workers with typed Noul, Choice, and Score questions returning structured answers.
Tools & IntegrationsPost#community#x#cloudflare
Community
Open Jev-Compatible API (SGLang)
An independent Jev-compatible public API backed by Qwen3.6-35B-A3B and SGLang radix caching, reporting 64 parallel typed-decision tasks in under a second.
Repos & SDKsVideo#community#x#video
Community
Classify, Route, and Score with Jev and AI SDK
End-to-end guide to a ticket-routing workflow with confidence thresholds, zero-data-retention options, and mock-based tests that need no network call.
Sites & GuidesArticle#community#vercel#tutorial
Community
Evaluate Agent Responses with Jev
Use Jev as a Braintrust judge scorer, then inspect selected answers, confidence, and probabilities alongside the scorer answer. Includes tracing for your own calls.
Tools & IntegrationsArticle#community#evaluation#observability
Community
typesafeai-cli
0GitHub stars
An agent-first CLI for System One: ask, rank, extract, verify, screen, find, and decide from the shell, with an installable agent skill. Published on PyPI.
Tools & Integrations#community#cli#agent
Communitymaddygoround/typesafeai-cliPython
jev: Function-to-Question Decorator
@jev.fn compiles a Python function definition (parameters, docstring, return annotation) into a state plus typed questions, then validates the answers back into Pydantic models.
Tools & IntegrationsDocs#community#python#decorator
Community
jev-go (Go client)
5GitHub stars
An unofficial Go client for the System One API: typed judgments and calibrated probabilities instead of generated text.
Repos & SDKs#community#sdk#go
CommunityGaurav-Gosain/jev-goGo
TypeSafe (.NET SDK)
8GitHub stars
Community .NET SDK for the System One API: typed noul, choice, and score questions with structured, confidence-scored answers.
Repos & SDKs#community#sdk#csharp
Communitysaibimajdi/typesafeai-dotnet-sdkC#
TypeSafe PHP & Laravel SDK
3GitHub stars
A community PHP and Laravel SDK for the Jev model series, wrapping typed questions and probability answers for the PHP ecosystem.
Repos & SDKs#community#sdk#php
Communitybinnash/typesafe-sdkPHP
Jev for Engineers
4GitHub stars
Eight minimal, zero-dependency examples applying Jev to mechanical and electrical engineering: CAD/CAE/CAM routing, FEM result triage, DFM screening, and BOM alignment.
Repos & SDKs#community#engineering#python
CommunityFoadsf/jev-for-engineersPython
TypeSafe Playground (community)
21GitHub stars
A community playground with over a hundred use cases, games, and model challenges, with editable prompts and side-by-side comparisons.
Tools & IntegrationsPlayground#community#playground#nextjs
CommunityTypeSafeAI/typesafe-playgroundTypeScript
jev-experiments
387GitHub stars
A monorepo of roughly 20 latency-focused demos: moderation firehoses, rerankers, inbox triage, macOS launchers, and closed-loop control simulators, each with p50/p95 telemetry.
Repos & SDKs#community#demos#typescript
Communitydabit3/jev-experimentsTypeScript
jev-trader
2.4kGitHub stars
One AI trade decision every Monad block: Jev evaluates the market state and returns a typed decision the bot acts on, on Kuru's MON-USDC market.
Repos & SDKs#community#trading#realtime
Communityjarrodwatts/jev-traderTypeScript
jevlike
1.3kGitHub stars
Train a small model that chooses among a changing list of text options, one probability per option in a single pass. Includes Doom, chess, and Wikispeedia demos.
Repos & SDKs#community#training#research
Communityvinnylarouge/jevlikePython
Pydantic AI: TypeSafe (Jev) Model
Run a Pydantic AI agent on Jev: each field of the output type becomes one question, the prompt is the state, and confidence comes back per field.
Tools & IntegrationsDocs#community#pydantic#python
Community
A Deep Dive into Jev
A practical tour with JavaScript examples: typed choices, scores, probabilities, real latencies and costs, the jagged edges, and how to split jobs correctly.
Sites & GuidesArticle#community#tutorial#javascript
Community
Exploring Jev for AI-Driven Mobile QA
Give Jev a screen snapshot and a task, and it chooses the next action for agent-driven mobile QA. Ships as a CLI you can point at a real app.
Sites & GuidesArticle#community#mobile#qa
Community
jev-mcp
55GitHub stars
An MCP server that puts Jev in the coding loop for Cursor, Codex, and other MCP clients: coding-loop checks, ranking, verification, and review tools.
Tools & Integrations#community#mcp#coding-agent
Communityburnigtm/jev-mcpTypeScript
daf-jev: Composable Python Toolkit
An open Python toolkit with question builders, confidence gates, tiered routing, a concurrent corpus evaluator, calibration tooling, a CLI, and an MCP server, with published benchmarks.
Repos & SDKsArticle#community#python#mcp
Community
pi-jev-auto-mode
26GitHub stars
Jev-backed auto mode for the Pi coding agent: semantically approves bash, write, and edit tool calls, and fails closed whenever a decision cannot be made.
Tools & Integrations#community#coding-agent#permissions
Communityjomatsu/pi-jev-auto-modeTypeScript
Launch: Introducing System One Models & Jev
The launch story: why TypeSafe built decision models, the side-by-side demo, the Doom and Wikiracing bots, and the published workflow evals.
Sites & GuidesArticle#official#announcement#benchmarks
Official
Vercel AI Gateway: Evaluation Models
AI Gateway's evaluation modality: call Jev as `typesafe-ai/jev` through the AI SDK's experimental_evaluate API, with structured answers instead of free-form text.
Tools & IntegrationsDocs#community#vercel#integration
Community
Vercel AI Gateway: Jev Model Page
Model card for `typesafe-ai/jev`: evaluation type, $0.042 per 1M input tokens, zero output token charge, and a hosted playground.
Tools & Integrations#community#vercel#pricing
Community
OpenRouter: typesafe/jev-1.13
Access Jev through OpenRouter's decisions endpoint, an alternative route to early access that still uses TypeSafe's question and answer shapes.
Tools & Integrations#community#openrouter#api
Community
TypeSafe Documentation
The canonical introduction: Jev is TypeSafe's flagship model and the first System One model. Send state and typed questions, get structured answers your code can use directly.
Sites & GuidesDocs#docs#official#primitives
Official
Quick Start
Everything you need to make your first request: install an SDK, get an API key, and send state plus typed questions.
Sites & GuidesDocs#docs#official#quickstart
Official
Primitives: Choice, Score & Noul
The three TypeSafe question types, the typed answers they return, how to choose between them, and how to ask several in a single call.
Practices & PatternsDocs#official#primitives#choice
Official
Confidence
How TypeSafe reports certainty, how it differs from probability, and how to use it architecturally to gate and route decisions.
Practices & PatternsDocs#official#confidence#routing
Official
Patterns
Architectural patterns for System One systems: speculative fan-out, confidence-gated routing, composite scoring, and intent routing.
Practices & PatternsDocs#official#patterns#architecture
Official
How to Build with TypeSafe
Design AI-powered software by keeping code in control and giving System One narrow, structured decisions to make.
Practices & PatternsDocs#official#patterns#architecture
Official
Example Use Case Map
Explore TypeSafe use cases by industry and turn promising ideas into concrete software workflows.
Practices & PatternsDocs#official#use-cases
Official
Cookbook: Parallel Questions
A 13-question regulatory briefing that shows batching every question into one call is 12.2x cheaper and 10x faster with no change in answers.
Cookbooks & DemosDocs#official#cookbook#batching
Official
Cookbook: Re-ranking
One question per query-candidate pair raises top-1 accuracy from 5% to 18% and top-10 accuracy from 38% to 62% on 40 CLERC legal queries.
Cookbooks & DemosDocs#official#cookbook#reranking
Official
Cookbook: Guardrails for LLMs
Screen every message going into and out of an LLM app: a Noul describes possible hazards, a Score rates severity, and code thresholds the probabilities.
Cookbooks & DemosDocs#official#cookbook#guardrails
Official
Cookbook: Hierarchical Classification
Classify documents through deep patent, retail product, biomedical, and source-code hierarchies using parallel beam search over Choice probabilities.
Cookbooks & DemosDocs#official#cookbook#classification
Official
Cookbook: Classification Using Confidence
Classify SEC annual reports into 75 industry groups with one Choice each, then read confidence to decide when to fall back to a broader division.
Cookbooks & DemosDocs#official#cookbook#classification
Official
Demo: Smart Home Assistant
A smart home assistant that uses TypeSafe to evaluate user requests, pick a tool, and fill its arguments from plain language.
Cookbooks & DemosDocs#official#demo#tool-calling
Official
Agent Skill
2.1kGitHub stars
Drop-in skill for Claude Code, Codex, and other agent environments that teaches the right way to structure states and questions.
Tools & IntegrationsDocs#official#agent#skill
Officialtypesafe-ai/skills
TypeSafe JavaScript / TypeScript SDK
237GitHub stars
Official TypeScript/JavaScript client with inferred answer types, retries, and a question DSL. `npm install @typesafe-ai/sdk`.
Repos & SDKs#official#sdk#typescript
Officialtypesafe-ai/typesafe-sdk-jsTypeScript
TypeSafe Python SDK
225GitHub stars
Official sync and async Python client for the TypeSafe API with typed questions, retry policies, and inferred answers. `pip install typesafe-sdk`.
Repos & SDKs#official#sdk#python
Officialtypesafe-ai/typesafe-sdk-pythonPython
System One Adapter (Python)
297GitHub stars
Official drop-in TypeSafeClient replacement backed by OpenAI, Anthropic, and compatible LLM APIs, for comparing Jev against chat models on the same questions.
Repos & SDKs#official#adapter#python
Officialtypesafe-ai/system-one-adapter-pythonPython
TypeSafe Console
Get an API key, manage models, and try the playground: three walkthrough lessons plus realistic use cases like resume screening and ticket routing.
Tools & IntegrationsPlayground#official#playground#api-keys
Official

Newest entries

The latest additions to the directory, newest first.

Watch: Jev in action

Walkthroughs, tests, and demos from the community.

YouTube: KodeKloud's three-minute primer: what a System One model decides, and why it answers in milliseconds.

YouTube: Caleb Writes Code explains what Jev is and how to call it, in seven minutes.

YouTube: Greg Isenberg and Ryan Vogel on the businesses Jev unlocks, and a path in through the Vercel AI Gateway.

YouTube: CJ from Syntax demos browser use, classification, code review, a model router, and a chat bot with no LLM.

YouTube: Ryan Vogel runs Jev on 100 and then 1,000 emails: category, priority, spam, and reply predictions.

YouTube: AICodeKing tests support routing, refund detection, prompt-injection resistance, and browser automation.

Discussions

Threads from Reddit and Hacker News about building with Jev.

Reddit: Matthew Berman's video on Jev, at roughly 290K views.

Hacker News: Jev implemented in 25 lines of Python

bashbjorn400 points · 128 commentsJev in 25 Lines of PythonRead the thread on Hacker News

Hacker News: Does OpenAI fast-follow Jev?

JohnBerryman302 points · 213 commentsOpenAI is well positioned to fast-follow JevRead the thread on Hacker News

Hacker News: Show HN: JevBench, a reproducible benchmark for typed decision models

florianstandhar123 points · 34 commentsShow HN: JevBench, a reproducible benchmark for typed decision modelsRead the thread on Hacker News

Hacker News: A curation of Jev demos, tools, skills, and integrations

frostbyte791 points · 34 commentsJev – A curation of Jev demos on X, tools, skills, and integrationsRead the thread on Hacker News

Reddit: A skeptical read of the calibration claim: no ECE or reliability curves published.

How entries are chosen

Every entry is hand-picked against the same bar, whether it comes from TypeSafe or the community.

  • Public and working — no paywalls, sign-up walls, or dead links.
  • Concrete — it has to be about Jev and the System One API, not generic LLM content.
  • Useful today — something a developer can learn from or use right now.
  • Distinct — if a similar entry exists, the description has to say what makes this one different: a different runtime, a cheaper path, a measured result, or a narrower focus.
  • Documented — repos state their license, and docs are in English or carry an English summary.

Spam, affiliate links, and thin AI-generated content are rejected. New entries are expected to ship with a deep dive: two to five highlights, caveats, a quickstart snippet where one helps, and a verification date. Star counts are refreshed when an entry is touched.

Common questions

Short answers about Jev and how this directory works.

What is Jev?

Jev is TypeSafe AI's first System One model. It takes a state plus typed questions and returns one structured answer per question — a choice, an ordered score, or the probability of yes — with calibrated confidence on Choice and Score answers, so code can branch on the result without parsing generated text.

What is the difference between Choice, Score, and Noul?

They are the three question primitives. Choice picks one of up to 255 options, Score rates on 2 to 10 ordered levels, and Noul answers yes or no. Choice and Score answers carry a confidence between 0 and 1; a Noul answer is the probability of yes.

Which Jev SDKs and client libraries are available?

TypeSafe maintains official JavaScript/TypeScript and Python SDKs plus a Python adapter. The community has built clients for Go, .NET, PHP, Laravel, Rust, Elixir, Ruby, and Scala, along with framework integrations such as DSPy, LlamaIndex, and Home Assistant. All of them are listed in the Repos & SDKs category.

Is the directory free, and is it affiliated with TypeSafe AI?

The directory is free to browse: every entry is hand-picked, and spam, affiliate links, and sign-up walls are rejected. JevDirectory.org is community-run and not affiliated with TypeSafe AI — Jev and System One are TypeSafe AI trademarks.

How often is the directory updated?

Entries are added as new resources appear and re-checked when they are touched. The directory currently holds 515 entries from 73 source sites, last updated Sep 25, 2026.

What is a verified deep dive?

Most entries include a deep dive: two to five highlight bullets someone would only know from using the resource, a caveats note about limits and requirements, an optional quickstart snippet, and the date the link was last checked. 515 of the 515 entries carry one today.

For the canonical details, read the official TypeSafe docs and the API reference.

From the community

Posts from builders shipping with Jev right now.

Follow @typesafeai

Classifying 1,500 real emails

vogel
vogel
Anomaly
@ryanvogel
·

this model is actually insane at email classification i tested it on 1500 of my own emails to see how well it works and I am blown away

Watch on X
Diogo Almeida
Diogo Almeida
TypeSafe AI
@CompleteSkeptic

After co-inventing ChatGPT, I kept asking myself: why have superhuman chat models not led to AGI? I’ve spent the last 2 years in stealth building a new way to train models (RLCD), and a new type of frontier AI model that we are releasing today: Jev • 20-200x faster • 40-400x

Watch on X
Reply
Read 70 replies

Fast browser use with Stagehand

Kyle Jeong
Kyle Jeong
Browserbase
@kylejeong
·

we built blazing fast computer/browser use with Jev + @Stagehanddev. this task cost $0.001 and executed at near instant speed (in a remote browser btw) the loop: observe the page, send a11y tree as state + actions as questions, Jev decides the next action, then Stagehand Show more

Watch on X
Diogo Almeida
Diogo Almeida
TypeSafe AI
@CompleteSkeptic

After co-inventing ChatGPT, I kept asking myself: why have superhuman chat models not led to AGI? I’ve spent the last 2 years in stealth building a new way to train models (RLCD), and a new type of frontier AI model that we are releasing today: Jev • 20-200x faster • 40-400x

Watch on X
Reply
Read 31 replies

LLM-as-a-judge, sped up

Yuchen Jin
Yuchen Jin
Databricks
@Yuchenj_UW
·

Jev has spoken. It picked which model is AGI. 20–200x faster. 40–400x cheaper. This could make things like LLM-as-a-judge insanely fast and nearly free. (I tried a bunch of prompts and still didn’t burn through $0.10.)

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Diogo Almeida
Diogo Almeida
TypeSafe AI
@CompleteSkeptic

After co-inventing ChatGPT, I kept asking myself: why have superhuman chat models not led to AGI? I’ve spent the last 2 years in stealth building a new way to train models (RLCD), and a new type of frontier AI model that we are releasing today: Jev • 20-200x faster • 40-400x

Watch on X
Reply
Read 93 replies

Instant compaction with Jev

A Claude session from 1M to 86K tokens

Alex Volkov
Alex Volkov
CoreWeave
@altryne
·

This is actually insane. This uses @typesafeai Jev model, as a plugin in Claude to review all the un-nesseasary tool calls, and it takes 1s to run! Like, literally, 1 second to take my Claude session from nearly 1M to ... 86K tokens! 😮 Ask your claude to install it and be  Show more

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tamara
tamara
@tamarajtran

found the perfect use case for @typesafeai Jev: instant compaction in 2026, why is compaction still a summarization prompt? Jev can make it instant by scoring every tool call and dropping what’s irrelevant

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Read 164 replies

Vercel's fx safety reviewer, 18x faster

Guillermo Rauch
Guillermo Rauch
Vercel
@rauchg
·

We're seeing extraordinary results from @typesafeai. Default mode in 𝚏𝚡 is auto, with a safety reviewer analyzing every command. That reviewer runs on GPT Luna today. Jev is up to 18x faster (p95) *and* more accurate. It's coming to @vercel AI Gateway and likely new default.

Pranit
Pranit
Vercel
@fazxes

We benchmarked fx auto mode (safety) classifier with @typesafeai's Jev. tl;dr: ~5-18x faster and more accurate than 𝚐𝚙𝚝-𝟻.𝟼-𝚕𝚞𝚗𝚊, our current top choice

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Read 137 replies