A free GitHub project directory for the TypeSafe Jev / System One model.Explore official SDKs, agent tools, open-source alternatives and Jev news.

Data updated

  • Community .NET SDK for the TypeSafe AI System One API — typed noul, choice, and score questions with structured, confidence-scored answers. Not affiliated with TypeSafe AI.

    saibimajdi/typesafe-dotnet-sdk · C#

    122
    c#classification
  • Explore the TypeSafe Jev ecosystem: open-source integrations, compatible decision models, SDKs, agent tools, and research. Community-maintained.

    VoltAgent/typesafe-jev-ecosystem

    122
    ai-agentsclassificationdecision-model
  • Community Java client for the TypeSafe System One API (unofficial)

    Premo-Cloud/typesafe-sdk-java · Java

    125
    javasdkspring-boot
  • Question patterns, anti-patterns & calibration notes for Jev (TypeSafe AI) — the prompt engineering of typed decisions. 43 entries, 8 categories. EN/中文.

    vicfei/awesome-jev-prompts · Python

    111
    awesomeawesome-listdecision-modelllmprompt-engineeringstructured-output
  • Open-source Jev-like model family with one-token Qwen3.8 decisions, TypeSafe API, one-command setup, and reproducible benchmarks.

    FuturixAI-and-Quantum-Works/carve-jev · Python

    110
    ai-agentsbenchmarkclassificationdecision-modeljev-likellm-inferencemodel-family
  • chainlesschain: TypeSafe Jev ecosystem repository.

    chainlesschain/chainlesschain · JavaScript

    117
    javascript
  • Check whether each cited paper supports the sentence citing it. Claude proves the quote, TypeSafe's Jev scores it, a human decides.

    MarissaFamularo/citation-verifier · JavaScript

    112
    javascriptcitation-verificationclaudepeer-review
  • Self-hosted, Jev-compatible decision-model API — one /v1/systemone endpoint, open weights (Laya, kev), one Docker image per engine.

    chaitin/Decis · Python

    112
    decision-modeldockerfastapiinference-serverkevlayallm-serving
  • ⚡ Sub-100ms cognitive reflexes for autonomous coding agents. Powered by TypeSafe AI's Jev & get-fable.

    imMamdouhaboammar/fable-jev · TypeScript

    119
    agent-routingai-agentsautonomous-agentsawesome-jevbunfast-compactionget-fable
  • 410Jev
    PowerShell decisions with TypeSafe AI's Jev model: https://typesafe.ai/blog/introducing-system-one-models-and-jev

    dfinke/Jev · PowerShell

    113
    powershell
  • Jev vs DeepSeek 医疗任务对比:12 类场景、96 项测试,效果、耗时与费用一览。 | Jev vs DeepSeek on 96 healthcare tasks across 12 scenarios: quality, latency, cost and open experiment data.

    JuneYaooo/jev-healthcare-lab · Python

    110
    benchmarkchinese-nlpclinical-nlpclinical-trialsdatasetsdeepseekevidence-based-medicine
  • Can a decision model beat dedicated rerankers? TypeSafe Jev vs Cohere Rerank 4 vs ZeroEntropy zerank-2 vs a chat-model baseline: 14 datasets, every raw API response, bootstrap ranges on every gap.

    anessbelbati/jev-rerank-bench · Python

    110
    python
  • LLM router that picks the cheapest model capable of handling a query, using TypeSafe's Jev for fast classification instead of an LLM call.

    rajdhakad9826/jev-router · TypeScript

    111
    typescript
  • 使用 TypeSafe Jev 审查 Skill 与 MCP 可疑行为 | Review Agent Skills and MCP code with Jev, static evidence, and explicit coverage gaps

    win4r/jev-security-scan · Python

    111
    python
  • Coding-agent memory where every fact is a verbatim quote graded by TypeSafe Jev's calibrated confidence. Local-first, SQLite receipts, zero dependencies.

    romiluz13/jevmory · Python

    110
    agent-memorycalibrated-confidenceclicoding-agentspythonsqlitezero-dependency
  • JevNext · More than Choice — A simple algorithm that equips any Jev-like model with numerical control.

    Bring-AI/JevNext · Python

    113
    decision-treesinterval-decodingnumerical-reasoningreproducible-researchpython
  • Typed SEO, AEO and GEO judgments powered by Jev, a System One decision model. Code owns the rules, the model owns the meaning.

    epergaboni/jevseo · TypeScript

    112
    typescript
  • Scala SDK for Jev. No effect system bundled.

    ticofab/scala-jev-sdk · Scala

    111
    scala
  • A Stop hook for Claude Code and Codex, for the turn that ends half-done — nothing done, an announced action never carried out, a promise to watch CI with nothing running — or in the wrong language. Every judgement is made by TypeSafe Jev.

    Nanako0129/stingray · Shell

    112
    shell
  • Catch AI slop before you ship.

    mblode/taste-lint · TypeScript

    113
    typescript
  • Jev for PHP, TypeSafe AI PHP SDK

    sanmai/typesafe-ai-php · PHP

    113
    php
  • Evidence over eloquence. Unofficial Claude Code plugin that checks "done" claims and small judgement calls with TypeSafe Jev, and keeps receipts.

    ismaildasci/claude-referee · TypeScript

    102
    ai-agentsclaude-codeclaude-code-hooksclaude-code-plugindeveloper-toolsllm-as-a-judge
  • Portable Codex subagent-routing workflow using Jev Choice/Noul and local confidence gates, with a Sol fallback; invoked through project instructions rather than an automatic spawn hook.

    suenot/codex-jev-router · JavaScript

    102
    codexai-agentsmodel-routing
  • Mine driving scenes from logs with Jev: scene text in, scenarios with probabilities and timestamps out.

    bskkimm/DriveSceneMiner · Python

    100
    autonomous-drivingscenario-miningscene-miningpython
  • Jev-powered decision plugin for Hermes Agent: automatic skill selection, policy-constrained model routing, typed assessments, and approval-gated computer use on Windows, macOS, and Linux.

    bgrablin/hermes-switchyard · Python

    102
    ai-agentscomputer-usehermes-agentskill-routingpython
  • A Home Assistant voice agent that decides with typed, calibrated judgements instead of an LLM. One ~300 ms call per command, and it asks when it isn't sure.

    the-sof/home-assistant-typesafe-conversation-agent · Python

    102
    assistconversation-agentcustom-componenthacshome-assistanthomeassistant
  • A driving simulator on real OpenStreetMap streets where TypeSafe's Jev model drives the car, with a decision inspector and a benchmark.

    BrendanH18/jev_fsd · JavaScript

    103
    benchmarkdriving-simulatorjavascriptopenstreetmappythonself-driving
  • Open-source AI ad blocker for Chrome. No filter lists: TypeSafe AI's Jev model decides what is an ad. Bring your own key.

    fazlerocks/jev-adblock · TypeScript

    102
    ad-blockeradblockbrowser-extensionchrome-extensionmanifest-v3
  • Fast, cheap browser sub-tasks for Claude and other agents: TypeSafe Jev decisions on top of browser-harness

    danielnc/jev-browse · Python

    101
    python
  • One TypeSafe Jev decision per step over the A11Y tree, executed via ADB. No screenshots and ultra fast!

    xinwang-nwpu/jev-mobile · Python

    100
    mobile-agentpython
  • Jev (TypeSafe) vs Claude Haiku 4.5 on 2 000 phishing emails: accuracy, calibration, latency, cost. Reproducible benchmark.

    anisselbd/jev-phishing-bench · Python

    101
    python
  • Build and regression-test conversational state machines powered by Jev. Inspect decisions, capture failing conversations as tests, and export runnable TypeScript for your app.

    priyankark/jev-state · TypeScript

    100
    ai-agentscode-generationconversational-aideveloper-toolsevaluationllm-evaluationlocal-first
  • Jev-powered MCP tool routing for Codex

    jackbarunz/jev-tool-router · JavaScript

    102
    ai-agentscodexmcptool-routingvercel-ai-gatewayjavascript
  • Curated Jev showcases from X, organized by category with media previews and direct source links.

    2456868764/jevguide

    102
  • Jev-powered traffic signal control on CityFlow with structured phase and green-time decisions.

    usail-hkust/JevLight · Python

    102
    intelligent-transportationpython
  • A Jev-driven general-purpose agent harness for faster, lower-cost execution, with built-in side-by-side experiments against LLM-only agents.

    parkavenue9639/jevloop · Python

    100
    agent-runtimeai-agentsdockerllm-evaluationobservabilitypythonsandbox
  • PR Risk review, automated by Jev

    HexyeDEV/JevPR · Python

    102
    classificationpull-requestspython
  • Site search that understands the question. Ranked by TypeSafe's Jev model.

    kylemclaren/jevsearch · TypeScript

    102
    typescript
  • Kotlin Multiplatform client for Jev that returns your own enum/sealed types instead of string keys.

    ItisNoMatter/kojev · Kotlin

    101
    kotlinkotlin-multiplatform

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