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Jev for Python

581 curated Jev resources. Python clients, SDKs, and tools.

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  • Docs10
  • Repos & sites565
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  • Articles5

All 581 Jev resources for Python

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Showing 97–144 of 581 resources

0GitHub stars
Reproducible billing and stability measurement of Jev's fan-out behavior across 2,976 requests to jev-1.13-20260917: asking N questions in one call bills the state once, with raw data, exact invoice checks and a batched-versus-single answer comparison.
Jev Benchmarks & Evaluations#community#benchmarking#billing
0GitHub stars
Head-to-head benchmark of fast typed classifiers, TypeSafe Jev, OpenAI Decisions and Cloudflare Clef, against Claude models on a frozen, labeled corpus of 2,321 cases across 31 tasks, measuring accuracy, calibration, p95/p99 latency and registry-priced cost.
Jev Benchmarks & Evaluations#community#benchmarking#calibration
0GitHub stars
Testable 48-requirement spec plus conformance suite, normalising proxy and fault-injecting mock for Jev-compatible System One API servers; against the eight most-starred open servers only two passed every MUST requirement.
Jev Tools & CLIs#community#conformance#api-testing
1GitHub stars
Serves Shanghai AI Lab's Intern-Decision-0.8B vision decision model on Apple Silicon behind a /v1/systemone-shaped endpoint: screenshots plus typed questions in, calibrated Choice, Score and Noul probabilities out, for thresholding and escalation.
Jev Models & Reimplementations#community#apple-silicon#local
21GitHub stars
Multimodal finite-choice decision interface and MuJoCo robotic-arm workbench: dual-camera images and state go to a self-hosted Qwen3.5-9B with a corrective head, which returns one typed next-skill choice without generating text.
Jev Models & Reimplementations#community#robotics#multimodal
39.6kGitHub stars
Volcengine's agent context database that unifies memory, knowledge RAG and skills under a viking:// virtual filesystem; it ships a Jev rerank client that scores candidate documents against api.typesafe.ai and treats the probability as relevance.
Jev Integrations & Adapters#community#agent-memory#rag
1GitHub stars
Precision-first RAG orchestrator that wires Jev as a System 1 gate around an LLM: it routes chitchat, triages retrieved chunks with relevance and answer-evidence Nouls, then verifies each claim and withholds drafts whose claims are unsupported.
Jev Integrations & Adapters#community#rag#hallucination
17GitHub stars
Jev-compatible decision models with vision input: LoRA fine-tunes of Qwen3.5 at 4B and 9B serving Choice, Score and Noul on the /v1/systemone wire format, with screenshots and photos placed beside text in the state. Runs on your own NVIDIA GPU; weights are non-commercial.
Jev Models & Reimplementations#community#vision#open-weights
4GitHub stars
macOS menu bar screen-time app that reads the screen as text through the Accessibility API and asks a System One model one Choice per user rule plus a Noul on whether the page is a payment, login or banking screen, stepping in only when a rule's probability clears its threshold.
Jev Integrations & Adapters#community#macos#digital-wellbeing
6GitHub stars
Zero-shot named entity recognition library on Jev: text is split at punctuation, candidate windows are offered as one Choice question per entity type, then verified and boundary-polished by further Choice calls. Types are defined in plain words; no training data or GPU is needed.
Jev Repos & SDKs#community#ner#extraction
4GitHub stars
CLI and Python library that runs declarative YAML judgment tasks - classify, route, score, verify - natively on Jev Choice/Score/Noul, on any OpenAI-compatible backend, or on local keyword rules, with confidence gates, fallbacks and per-decision cost records.
Jev Tools & CLIs#community#yaml#classification
63.9kGitHub stars
Proof-of-concept multi-agent AI hedge fund that trades on paper: LLM investor agents analyse stocks, and a native JevLLM adapter lets an agent run on Jev's typed decisions through the same JSON contract the chat providers use. Educational only; no real trades.
Jev Integrations & Adapters#community#finance#trading
2GitHub stars
Fixed-wing landing simulator where a human can compete against Jev: four Jev Choice decisions map to aileron, elevator, rudder and throttle commands in JSBSim, run in real time. The benchmark also compares Jev, classical controllers and Codex models on landing score and API cost.
Jev Demos & Experiments#community#simulation#aviation
20.5kGitHub stars
Python agent framework whose TypeSafeModel class runs Jev as a decision model inside Pydantic AI agents: Pydantic output-type fields become typed Jev questions answered together in one request, each answer carrying its own confidence, and tools can be offered as Choice options.
Jev Integrations & Adapters#community#agents#framework
1GitHub stars
Python library that records each Jev-class decision as the full distribution under a sha256 key of state, question, provider and model, then applies a separate policy. Thresholds, review bands, routing and budgets can change across the recorded history without new model calls.
Jev Repos & SDKs#community#calibration#policy
1GitHub stars
MuJoCo simulation where a local decider-2b model picks the next skill for an AgileX PiPER arm through a Jev-style typed-choice interface while the red cube target is pushed to new positions mid-run. Deterministic checks may reject a chosen skill but never substitute another.
Jev Demos & Experiments#community#robotics#simulation
255GitHub stars
Graph RAG framework over Milvus vector search with no graph database required: Jev Noul judgments select graph relations and rerank full source passages alongside vector-search candidates, reaching 86.07% average Recall@5 on 1,000 MuSiQue and 1,000 2Wiki queries in the two-stage evaluation.
Jev Integrations & Adapters#community#rag#retrieval
OpenAI-compatible /v1/chat/completions proxy that answers an agent host's approval-guardian call with APPROVE, DENY or ESCALATE. Jev answers one Choice question with a calibrated distribution; missing keys, timeouts and malformed answers all fail closed to ESCALATE.
Jev Tools & CLIs#community#agent-safety#guardrails
2.6kGitHub stars
Cisco's security scanner for agent skills added a System One analyzer: it sends the full skill text to POST /v1/systemone as one advisory Noul question and records the probability, while being deliberately unable to emit a finding or change a severity.
Jev Tools & CLIs#community#security#agent-skills
Release notes for the official Python SDK, from the 14 September 2026 public release through the Pydantic migration and the HTTP/2 extra.
Jev Repos & SDKsDocs#official#docs#sdk
Official
RetryPolicy for the Python SDK: attempt count, exponential backoff with jitter, which HTTP statuses retry, and a total time budget.
Jev Repos & SDKsDocs#official#docs#sdk
Official
The Python SDK error hierarchy: HTTP status classes, rate-limit wait hints, connection and timeout errors, and response-body validation failures.
Jev Repos & SDKsDocs#official#docs#sdk
Official
AsyncTypeSafeClient: async system_one calls, model listing, per-call retry and timeout overrides, and an optional Pydantic response model.
Jev Repos & SDKsDocs#official#docs#sdk
Official
How the Python SDK types questions: Noul, Choice, and Score as objects or dictionaries, including optional JSON instructions and criteria.
Jev Repos & SDKsDocs#official#docs#sdk
Official
The Python response models: SystemOneResponse groups answers by id, and records the model name, token usage, and request id.
Jev Repos & SDKsDocs#official#docs#sdk
Official
Default settings and environment variable names for the Python SDK, including the API root, model alias, and per-request timeout.
Jev Repos & SDKsDocs#official#docs#sdk
Official
TypeSafeClient, the synchronous Python client: ask questions, list models, and set the key, model, retry policy, and HTTP timeout.
Jev Repos & SDKsDocs#official#docs#sdk
Official
Shared Python SDK types: JSONValue, a nested JSON-like value that may be None, and descriptions built from strings or JSON values.
Jev Repos & SDKsDocs#official#docs#sdk
Official
16GitHub stars
The code behind evals.typesafe.ai. It runs four published workflows against Jev and other providers and scores them on reference labels.
Jev Benchmarks & Evaluations#official#evaluation#python
6.9kGitHub stars
A native MLX runtime for Laya's open typed-decision weights: short decisions on Apple Silicon, with no generated tokens, PyTorch, or cloud API.
Jev Models & Reimplementations#community#python#open-models
1.6kGitHub stars
Laya typed decisions through Apple Core ML and the Neural Engine, with the author's speed and energy benchmarks for short decisions on an M3 Max.
Jev Models & Reimplementations#community#python#open-models
209GitHub stars
A Python harness for System One models. It runs Jev and other decision models locally, or through HarnessRouter.ai.
Jev Tools & CLIs#community#python#open-models
Philipp Acsany's tutorial replaces a Y-or-N input check with Jev, then asks Noul, Score, and Choice in one call through OpenRouter.
Jev Guides & ArticlesArticle#community#article#tutorial
Community
Tom Farnschläder's 24 September 2026 tutorial builds a support-ticket router with the Python SDK, using Choice, Score, and Noul in one call.
Jev Guides & ArticlesArticle#community#article#tutorial
Community
OpenRouter's guide for calling Jev with the official JavaScript or Python SDK by changing the base URL and using an OpenRouter key.
Jev Integrations & AdaptersDocs#community#docs#sdk
Community
Yury Selivanov's 2 October 2026 post on the Python AI SDK: experimental evaluate() calls typesafe-ai/jev through an AI Gateway key.
Jev Guides & ArticlesArticle#community#article#tutorial
Community
10GitHub stars
Reproducible study testing whether Jev zero-shot can match specialist rerankers on fixed MS MARCO passage, MS MARCO document, and TREC-1 WSJ candidates, reporting ranking quality, time, and API cost.
Jev Agents & MCP#community#github
8GitHub stars
Open local decision model on Qwen3-4B with LoRA adapters that answers choice, score, and noul questions with probabilities, calibrated confidence, and conformal sets, offline with no per-call cost.
Jev Tools & CLIs#community#github
6GitHub stars
Python helper that turns judgment calls into one-liners like likely, classify and rate, defaulting to Jev while also running on local or OpenAI-compatible backends.
Jev Models & Reimplementations#community#github
9GitHub stars
Self-hosted CPU-only server that speaks the /v1/systemone wire format for the KEV decision model, packaged as one container with ONNX Runtime and a health check.
Jev Models & Reimplementations#community#github
Laya multilingual server exposing POST /v1/systemone and GET /v1/models for noul, choice and score questions, usable with the official TypeSafe SDK.
Jev Models & Reimplementations#community#github
6GitHub stars
Open-weight 4B decision model on Qwen3.5-4B-Base serving a Jev-compatible /v1/systemone API, returning per-option probabilities with adjustable thinking.
Jev Agents & MCP#community#github
5GitHub stars
Python CLI that audits files and package trees against plain-English JSON rule packs in one System One forward pass, locally with kev or remotely with Jev.
Jev Models & Reimplementations#community#github
6GitHub stars
Home Assistant integration exposing decision-model APIs through a native AI Task entity, typed jev actions, YAML decision sensors and an Assist router.
Jev Integrations & Adapters#community#github
3GitHub stars
Python CLI that pulls recent arXiv papers, scores relevance with TypeSafe and writes daily Markdown and JSON rankings with resume-safe storage.
Jev Tools & CLIs#community#github
6GitHub stars
Fifty runnable tev1 decision-model examples through local Ollama, from ticket triage and guardrails to six playable games, with a live request viewer and scoreboard.
Jev Demos & Experiments#community#github
3GitHub stars
Harness that sits Jev for the 66-subject Traditional Chinese TMMLU+ suite, asking every item as one four-way A/B/C/D choice with calibration reporting.
Jev Tools & CLIs#community#github
4GitHub stars
RWKV-7 decision-model server exposing a Jev-compatible /v1/systemone endpoint, with constrained decoding over answer tokens and zero output tokens.
Jev Tools & CLIs#community#github

Related languages

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Jev articles

Original guides that go deeper on Jev python.

All Jev articles
Every decision path has a failure posture, whether you chose one or not. How to put retries in the client, bound the whole call, and make the fallback an explicit, per-action policy.
Jev Practices & Patterns#reliability#retries#api
Read article
Support is a long chain of small judgments over text. Triage category and urgency separately, route with a confidence gate, decompose hard tickets, and decide the action in code.
Jev Practices & Patterns#customer-support#routing#triage
Read article
A test loop is a long series of small judgments. What the Playwright, mobile QA, and CI experiments report: two calls per probe, 131 ms medians, and near coin-flip failures to design around.
Jev Practices & Patterns#testing#qa#confidence
Read article

Watch: Jev in action

Video walkthroughs and demos from the community.

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.

Discussions about Jev

Threads from Reddit and Hacker News about building with Jev.

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 News

Reddit: 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 News

From the Jev community

Posts from builders shipping with Jev right now.

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