Jev directory
Jev Repos & SDKs
362 curated Jev entries. Client libraries, adapters, and source code you can build on with Jev, from the official Python and TypeScript SDKs to community ports in Go, .NET, and PHP.
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All 362 Jev Repos & SDKs
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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.
Jev Repos & SDKs#community#python#open-models
Community
NandhaKishorM/layaPython
NandhaKishorM/layaPythonUnofficial 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.
Jev Repos & SDKs#community#swift#sdk
Community
ainame/swift-typesafeSwift
ainame/swift-typesafeSwiftA 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.
Jev Repos & SDKs#community#moonbit#cli
Community
mizchi/jev-gomokuMoonBit
mizchi/jev-gomokuMoonBitA 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.
Jev Repos & SDKs#community#typescript#sdk
Community
juspay/neurolinkTypeScript
juspay/neurolinkTypeScriptAn 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.
Jev Repos & SDKs#community#python#open-models
Community
malevrigns/agent-jevPython
malevrigns/agent-jevPythonAn 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.
Jev Repos & SDKs#community#php#sdk
Community
Butochnikov/typesafe-sdk-phpPHP
Butochnikov/typesafe-sdk-phpPHPA 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.
Jev Repos & SDKs#community#java#cli
Community
tinystruct/tinystructJava
tinystruct/tinystructJavaAn 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.
Jev Repos & SDKs#community#scala#sdk
Community
cequence-io/openai-scala-clientScala
cequence-io/openai-scala-clientScalaA 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.
Jev Repos & SDKs#community#python#data
Community
ktaletsk/jevframePython
ktaletsk/jevframePythonCua announces an open family of small, specialised System One models for computer use, starting with form filling, and argues narrow tasks deserve narrow models.
Jev Repos & SDKsPost#community#x#open-models
Community
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.
Jev Repos & SDKsDocs#official#docs#sdk
Official
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.
Jev Repos & SDKsDocs#official#docs#sdk
Official
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.
Jev Repos & SDKsDocs#official#docs#sdk
Official
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.
Jev Repos & SDKs#community#typescript#sdk
Community
pithings/advocaatTypeScript
pithings/advocaatTypeScriptAn 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.
Jev Repos & SDKsVideo#community#x#video
Community
An unofficial Go client for the System One API: typed judgments and calibrated probabilities instead of generated text.
Jev Repos & SDKs#community#sdk#go
Community
Gaurav-Gosain/jev-goGo
Gaurav-Gosain/jev-goGoCommunity .NET SDK for the System One API: typed noul, choice, and score questions with structured, confidence-scored answers.
Jev Repos & SDKs#community#sdk#csharp
Community
saibimajdi/typesafeai-dotnet-sdkC#
saibimajdi/typesafeai-dotnet-sdkC#A community PHP and Laravel SDK for the Jev model series, wrapping typed questions and probability answers for the PHP ecosystem.
Jev Repos & SDKs#community#sdk#php
Community
binnash/typesafe-sdkPHP
binnash/typesafe-sdkPHPEight minimal, zero-dependency examples applying Jev to mechanical and electrical engineering: CAD/CAE/CAM routing, FEM result triage, DFM screening, and BOM alignment.
Jev Repos & SDKs#community#engineering#python
Community
Foadsf/jev-for-engineersPython
Foadsf/jev-for-engineersPythonA monorepo of roughly 20 latency-focused demos: moderation firehoses, rerankers, inbox triage, macOS launchers, and closed-loop control simulators, each with p50/p95 telemetry.
Jev Repos & SDKs#community#demos#typescript
Community
dabit3/jev-experimentsTypeScript
dabit3/jev-experimentsTypeScriptOne 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.
Jev Repos & SDKs#community#trading#realtime
Community
jarrodwatts/jev-traderTypeScript
jarrodwatts/jev-traderTypeScriptTrain 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.
Jev Repos & SDKs#community#training#research
Community
vinnylarouge/jevlikePython
vinnylarouge/jevlikePythonAn 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.
Jev Repos & SDKsArticle#community#python#mcp
Community
Official TypeScript/JavaScript client with inferred answer types, retries, and a question DSL. `npm install @typesafe-ai/sdk`.
Jev Repos & SDKs#official#sdk#typescript
Official sync and async Python client for the TypeSafe API with typed questions, retry policies, and inferred answers. `pip install typesafe-sdk`.
Jev Repos & SDKs#official#sdk#python
Official drop-in TypeSafeClient replacement backed by OpenAI, Anthropic, and compatible LLM APIs, for comparing Jev against chat models on the same questions.
Jev Repos & SDKs#official#adapter#python
Index of all 362 entries
- @effect-agent/ai-typesafe
- Jevelin
- Open Jev — npmjs.com
- Soenneker TypeSafe AI OpenAPI Client
- @alexzvn/systemone
- Pito Jev
- @cmaintz/jev-core
- Jev Agent Tools — npmjs.com
- SwiftAITypeSafeAI 1.0.0
- Typesafer
- Spring Jev Lab
- Tax Doc Classifier — Sathvik2005
- TypeSafe Rust SDK — makbari
- Jev Model Calling Project
- TypeSafe Gates
- JEV YouTube URL Classification
- @opengeni/jev
- Jev.TypeSafe.Unofficial
- Jevvy — zliv83
- TypeSafe AI Java SDK
- SOLO (System One Layout Optimizer)
- Edgextract
- MedJev — JunMa11
- Laya Php
- JevAny — SimpleJev
- ML Quant Trading
- NylonME
- jev-trader (market-making system)
- Vibecheck
- Laya Bangla
- Ordo
- Mica
- SearchJev
- Jeff Serve
- Jevaro
- JEVDB
- Jev Phone
- Deck31b
- OpenJev-Cactus
- TypeSafeSharp
- Jev Box Tracking
- Question Kit
- Nano Jev
- Jev Factory
- Ex Regex
- TypeSafe for Rust — phiat
- Decision Cascade
- systemone (open typed-decision layer)
- Jev-systemOne-model
- System One Native
- TIEG.SystemOne.LLamaSharp
- Zulvis System One
- Jev (binodsuman)
- SystemOne Builder
- TypeSafe Systemone
- JevRetriever
- Jev-Lite
- Context Atlas
- system-one (JacobEGarcia)
- JEV (Jphone09)
- System One (native runtime)
- System One (experimental runtime)
- Jev Systemone
- Sys1npc
- Go Systemone
- Jev (@amatelic/jev)
- Jev (carolchaim-commits)
- SystemOneEngine
- Kev POC
- Systemone Client
- coal (dhicks)
- Jev Java SDK
- SystemOne.Deciders
- System One with .NET
- JEV (fei-yang-li)
- system-one (heyaozh)
- Narula.AI SystemOne SDK
- systemone (Go client)
- systemone (Rust client)
- system-one (TypeScript clients)
- Jev helper (OpenRouter client)
- Jev System One Model Project
- Jev (unofficial Go client)
- JEV — notmakgg-ux
- systemone (Go library)
- Adaptif
- Systemone Open Service
- @typesafe-ai/sdk
- Go Discern
- LangChain
- Composio
- Vercel AI SDK
- LangChain.js
- Effect
- BAML
- ReqLLM
- Instructor for PHP
- Yielded Agent
- Hack Club AI
- Jev Playground (MoonBit)
- Laya Apple
- Laya Goish
- JevTuner
- Parallel Constrained Decoding
- Laya on Bun
- OpenJevSwift
- Jev for Elixir — elue-dev
- Laya Candle
- JevOps — endomorphosis
- Tool Prune
- Open Bonsai Jev
- Any2jev
- Jev Windows Agent
- JevRAG
- Laya Fast
- JevRanker
- jkudish's Jev Agent Tools
- OpenJev — lookski
- Goodall
- Jev Php
- Laya Go
- Questions
- Jevr — simxnherrera
- Jevlang — sumanmichael
- Jevsql — sarathi-aiml
- Jevtok TS
- Hfjev
- Jevtrader
- Jev Browser Local
- TypeSafe Go — 2389-research
- Prosodia — an audio Jev
- Local Jev — ronitgupta138
- Jev Msw
- Jev Dart
- Hunch (TypeScript)
- Fake / Real (made with Jev)
- Fuzzy Jev
- typesafe-jev (Ruby)
- Jevish
- Traffic Guard
- Jev Route (Huzeyfe07)
- Jev Is Not Odd
- TypeSafe Swift SDK
- Xjevboost
- Guardrail Chatbot Jev
- JEV-Local
- JevLang — timmikeladze
- Intent Routing with TypeSafe's JEV Model
- Jev Charactor
- Jevinf
- TypeSafe Java Client
- Vibe SDK
- Vej
- Jev RAG Guard
- Solari Reflex
- Phocinae Server
- TypeSafe AI Go SDK
- JevGuard (seb4ez)
- Interlock
- Jev Trust
- aaazzam/jev
- Tab Jev
- Jev Bisect
- AI SDK for Python
- FastJev
- JevT++
- SystemOneClient
- CloJev
- RubyLLM
- Jev SDK Go
- Decision Gate
- Huncho
- JevSpan
- S1 Ruby
- Metajev
- Python SDK Changelog
- JavaScript SDK Changelog
- Python SDK Retries
- Python SDK Exceptions
- Python Async Client
- Python SDK Questions
- Python SDK Responses
- Python SDK Constants
- Python Sync Client
- Python SDK Common Types
- Jev — stefafafan
- TypeSafe Client — haileyok
- Ex TypeSafe AI
- Taurus Jev SDK Go
- Jev Rs — abeldzan
- Jev Policy Engine
- Omarchy Mail
- Gosys1
- Jevlin
- Jev Dotnet
- Decision Model SDK Rust
- Jev.Sdk
- TypeSafe Go — lib-x
- TypeSafe Go — yoneyy
- TypeSafe SDK Go — guchengod
- Jev Go SDK
- FYIsoft.Extensions.AI.Providers
- Jev4j
- Typesafe4j
- TypeSafe AI Ruby
- TypeSafe SDK Cpp — yunusey
- TypeSafe SDK Go — SergeAx
- Pijev — TypeLLM
- TypeSafe — krzyzanowskim
- TypeSafe AI Php
- Go Jev
- Swift Jev
- Jev — dfinke
- TypeSafe SDK Go — Tangerg
- JevSwiftSDK
- Zod Jev
- Jevgo — devbackend
- Jev Dsl
- Scala Jev SDK
- Jev4k
- Rust Sysone
- Jev Android
- JevR — mountainMath
- TypeSafe AI Java
- TypeSafe SDK Swift
- TypeSafe AI Go
- Jod
- Jev Java — Olti1947
- Jev Java — gudcks0305
- Jev — virolea
- TypeSafe SDK Dotnet
- TypeSafe Jev Bridge
- SystemOneDotNet
- TypeSafe SDK Cpp — pewriebontal
- TypeSafe SDK Rust — codeitlikemiley
- TypeSafe Go — cole-gillespie
- Jevgo — fgn
- SystemOneSharp
- Jev Php SDK
- Jev Docs
- ElBruno.AI.Jev
- Jev Net
- Jev — anilsenay
- Jev Go — guillemus
- Decisionkit Dotnet
- TypeSafe Client — JedimEmO
- Jev SDK Java
- TypeSafe SDK Ex
- Decido
- TypeSafe Go — zhirschtritt
- TypeSafe SDK Go — unimtx
- Jev Harness Router
- TypeSafe SDK Ruby
- TypeSafe SDK Go — dwisiswant0
- Jev Go — kyledickey
- TypeSafe.Jev
- Jev — kataras
- System One Playground
- Tinystruct TypeSafe SDK
- TypeSafe SDK Rust — zchee
- System One — asynq-io
- TypeSafe AI — hfiguera
- Kunobi Jev
- Jev CLI — lhotwll217
- TypeSafe — mattneel
- Typesafe.zig
- TypeSafe Go — Shubham510
- Tinyjevclient
- TypeSafe AI — typesend
- TypeSafe SDK Go — valksor
- TypeSafe SDK Php
- Kojev
- @receptron/laya
- JavaScript SDK API Reference
- Python SDK API Reference
- Python SDK Usage
- AnyJev
- LLM2Jev — Yinsongxu
- Tev1
- Jevals — openlayer-ai
- System1 Agents
- Spring AI TypeSafe Documentation
- typesafe-sdk-go Documentation
- TypeSafeAI for .NET
- TypeSafe UI — TypeSafeAI
- TypeSafeAI (tryAGI .NET SDK)
- typesafeai (Go client)
- typesafeify (DSPy decorator)
- Jev Go — mheers
- TypeSafe AI Rust SDK (community)
- Typesafeai Go
- Jev for Home Assistant
- PlayJev — OmniJev
- Hono Jev Router
- LlamaIndex + TypeSafe Jev
- LitJev
- Jev for Elixir — dannote
- Jev Tree — reachjalil
- Laravel TypeSafe Jev
- NanoJev
- Jev Logs
- Zio TypeSafe AI
- Jevmlx
- Jev email intent workflow
- TypeSafeSDK
- Jev Go — Stumble
- typesafe-sdk (Ruby client)
- OpenJev — razorback16
- Openjev Sglang
- Ruby Decision Model
- Open JEV — zhihz
- TypeSafe for Rust — Twister915
- TypeSafe Rust SDK — gilljon
- Pytest Jev
- Jevclient
- Ruby LLM TypeSafe
- TypeSafe AI Rails
- TypeSafe Rs
- Eve — vercel
- Simple Jev Project
- Open Alternative to Jev
- Jev Reranker — hotchpotch
- Jev Harness — AntonioCoppe
- Super Jev
- Jlink
- Pi TypeSafe — DevMortimer
- S1
- TypeSafe AI Swift SDK
- Jevbridge — tacticocc
- Von
- Jev Visual
- SlidePilot
- TypeSafe SDK for Java
- Jev Resilience
- JSON Render
- Tax Doc Classifier — kyotofin
- Laya
- Swift TypeSafe
- Jev Playground — mizchi
- NeuroLink
- AgentJev-0.6B — malevrigns
- TypeSafe AI SDK for PHP
- Tinystruct
- OpenAI Scala Client
- Jevframe
- Cua's small System One models
- Client SDKs
- JavaScript SDK Guide
- Python SDK Guide
- Advocaat
- Open Jev-Compatible API (SGLang)
- jev-go (Go client)
- TypeSafe (.NET SDK)
- TypeSafe PHP & Laravel SDK
- Jev for Engineers
- Jev Experiments — dabit3
- Jev Trader — jarrodwatts
- Jevlike
- daf-jev: Composable Python Toolkit
- TypeSafe JavaScript / TypeScript SDK
- TypeSafe Python SDK
- System One Adapter (Python)
Start here with the Jev AI model
Featured entries in repos & sdks.
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.
Jev Repos & SDKs#community#typescript#agents
Community
vercel/eveTypeScript
vercel/eveTypeScriptOpen 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.
Jev Repos & SDKs#community#python#open-models
CommunityNandhaKishorM/layaPython
NandhaKishorM/layaPythonA monorepo of roughly 20 latency-focused demos: moderation firehoses, rerankers, inbox triage, macOS launchers, and closed-loop control simulators, each with p50/p95 telemetry.
Jev Repos & SDKs#community#demos#typescript
Communitydabit3/jev-experimentsTypeScript
dabit3/jev-experimentsTypeScriptJev AI model articles
Original guides that go deeper on Jev repos & sdks.
Closed weights have not stopped the ecosystem from rebuilding the shape in the open. API-compatible servers, retrained heads on small models, and inference-time tricks that skip generation entirely.
Jev Repos & SDKs#open-models#research#local
Read article
From the Jev community
Watch walkthroughs, read the threads, and see what builders are posting.
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.
Hacker News: Show HN: Ad Spend Guard gates budget before the auction, not the creative after.
Show HN: Gating ad budget with a decision modelRead the thread on Hacker NewsReddit: Reranking rebooking options with a decision model, ranked with reasons.
Hacker News: Pick Verify: a single decision at the warehouse pick station catches confusable picks.
Show HN: Verifying robot picks with a decision modelRead the thread on Hacker NewsHacker News: Decision Index 0.2.1 scores open reproductions of Jev on a frozen suite.
jackbravo4 pointsDecision Index 0.2.1 – 70 open reproductions of TypeSafe Jev's Decision ModelRead the thread on Hacker News