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

  • 1cua
    Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.

    trycua/cua · Rust

    31,5492,332
    ai-agentsapplecomputer-usecomputer-use-agentcontainerizationcua
  • 2composio
    Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

    ComposioHQ/composio · TypeScript

    30,8734,913
    agentic-aiai-agentsdeveloper-toolsfunction-calling
  • 3fastmcp
    🚀 The fast, Pythonic way to build MCP servers and clients.

    PrefectHQ/fastmcp · Python

    28,2702,552
    ai-agentsfastmcpllmsmcpmcp-clientsmcp-servermcp-tools
  • 4jev-ultrafast
    Browser Use × Jev Ultrafast — high-speed browser automation powered by TypeSafe Jev. i. am. speed.

    browser-use/jev-ultrafast · Python

    24,0621,842
    browserultrafastai-agents
  • 5pydantic-ai
    How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end.

    pydantic/pydantic-ai · Python

    20,9923,079
    agent-frameworkgenaiharnessharness-engineeringllmpydanticpython
  • 6langchainjs
    The agent engineering platform

    langchain-ai/langchainjs · TypeScript

    18,3123,464
    typescript
  • 7effect
    Build production-ready applications in TypeScript

    Effect-TS/effect · TypeScript

    17,457891
    cliclusteringconcurrencydependency-injectioneffecterror-handlingjavascript
  • 8kev
    tiny Jev-like family of decision models built on top of Qwen3.5 you can train and run on your own

    jaredpalmer/kev · Python

    9,756668
    decision-modelqwen3python
  • 9baml
    The programming language for agents

    BoundaryML/baml · Rust

    9,470508
    boundarymlguardrailsllmprogramming-languagestructured-datarust
  • 10jev-chat-jarvis
    装在手机上的对话副驾：在 QQ / X / 飞书里读懂对方、给出候选回复、一键填入输入框，发不发由你。非侵入，只读屏幕，不 hook 不改包。

    jev-chat/jev-chat-jarvis · Kotlin

    8,2101,319
    accessibility-serviceandroidchat-assistantllmqqkotlin
  • 11fast-jev-compaction
    Claude Code plugin that replaces the compaction summary with Jev decisions: every tool call and result is scored in one fast request, stale ones are dropped or truncated, everything kept stays verbatim.

    tamaratran/fast-jev-compaction · TypeScript

    7,827575
    typescript
  • 12laya-mlx
    Native MLX runtime for Laya typed decision models — 7–14 ms short decisions on M3 Max. No text generation, PyTorch, or cloud API.

    mizorewww/laya-mlx · Python

    7,060573
    apple-silicondecision-modelinferencelayalocal-aimachine-learningmlxmodernbert
  • 13SemIf-OpenJev
    Semantic ifs from open models, on a 3090 at home. Independent; not affiliated with Jev or TypeSafe.

    TheoLeeCJ/SemIf-OpenJev · Python

    4,919358
    local
  • 14CLM
    Open-source contrastive System One decision model with a TypeSafe-compatible API for typed Noul, Choice, and Score judgments.

    Contrastive-LM/CLM · Python

    3,143271
    decision-modelcontrastive-learningtypesafe-compatiblepython
  • 15jev-trader
    One AI trade decision every Monad block — Jev on Kuru MON-USDC.

    jarrodwatts/jev-trader · TypeScript

    3,116599
    tradingai-agents
  • 16skills
    Agent skills for building with TypeSafe's System One API.

    typesafe-ai/skills

    2,863184
    ai-agentsskillsofficial
  • 17awesome-jev (yibie)
    Curated list of public projects, integrations, and discussions built on Jev — TypeSafe AI's System One model.

    yibie/awesome-jev · Python

    2,526375
    awesome
  • 18AnyJev
    Independent open-source Jev-style decision model that turns open LLMs into typed Choice, Noul, and Score judgments with probabilities.

    nokia-applied-research/AnyJev · Python

    1,550177
    calibrationdecision-modelllmtransformersvllm
  • 19openharness
    Follow your curiosity. Build across disciplines. Open-source software and hardware for polymaths in the making.

    autonomous-ai/openharness · TypeScript

    1,408133
    3d-modelingagent-frameworkagent-harnessai-agentscadclaude-codecodex
  • 20jevlike
    Community Jev-like model and tooling experiment inspired by TypeSafe System One.

    vinnylarouge/jevlike · Python

    1,363121
    model
  • 21typesafe-computer-use
    Computer use for about $0.0002 a step: OCR the screen, classify the next action with TypeSafe, click (macOS).

    awlevin/typesafe-computer-use · Python

    1,281123
    ai-agentscomputer-usebrowser
  • 22hermes-jev-skills
    Jev-powered model routing, memory, compaction, skill selection, computer and browser use for Hermes agents (also Claude Code and Codex)

    kerpopule/hermes-jev-skills · Python

    1,278124
    python
  • 23pg-jev
    Ask your Postgres tables questions in plain language. A PostgreSQL extension powered by TypeSafe's Jev.

    realZachi/pg-jev · Shell

    1,246104
  • 24jev-browser-use
    5–10x faster browser operations: Jev clicks, Codex thinks and verifies.

    wy-coliney/jev-browser-use · JavaScript

    1,21134
    browserai-agents
  • 25decider
    One-pass typed decisions with calibrated probabilities (System One style model), fine-tuned from Qwen3.5-2B

    Mapika/decider · Python

    1,17053
    python
  • 26awesome-jev
    A verified, community-maintained catalog of 503 open-source projects built with Jev.

    heyjunpenn/awesome-jev · Astro

    1,02078
    typescriptawesome
  • 27open-genjutsu
    Evidence-backed use cases, patterns, prompts, and starter code for TypeSafe Jev.

    Anil-matcha/open-genjutsu · JavaScript

    994205
    awesomepatternsprompts
  • 28jevos
    Open-source, CPU-only alternative to Jev for yes/no decisions: MiniCPM5-1B cut to 17 layers with a one-logit output head, quantized to a 619 MB GGUF, one forward pass on llama.cpp, no GPU.

    feder-cr/jev · C++

    948145
    decision-modelggufllama-cpppython
  • 29von
    The open-source System One decision model. Sub-15ms, non-autoregressive, local drop-in alternative to TypeSafe Jev.

    wfzyx/von · Python

    92374
    decision-modelmachine-learningpythonrlcd
  • 30jev-chat-windows
    JevChat-Windows：聊天窗口旁挂的回复辅助。窗口截图 + 本地离线 OCR 读对方消息 → Jev 判断意图 → 3 条候选一键填入，发送永远手动

    jev-chat/jev-chat-windows · Python

    868191
    chat-assistantllmlocal-firstocrprivacypyqtpython
  • 31foreman
    Software Factory Foreman based on TypeSafe Jev model.

    thruwire/foreman · Python

    80369
    ai-agentsfactory
  • 32openjev
    Open, Jev-compatible System One decision server on DiffusionGemma

    razorback16/openjev · Python

    77068
    python
  • 33awesome-jev-tools
    A curated list of tools built for Jev — TypeSafe AI's System One model for typed decisions.

    v-modal/awesome-jev-tools

    75456
    awesomeawesome-listllmroboticsrobotics-algorithmsrobotics-control
  • 34pi-extensions
    A monorepo of Pi Coding Agent extensions

    narumiruna/pi-extensions · TypeScript

    754153
    ai-agentscodexcodex-clicoding-agentsnodejsnpm-packagepi
  • 35jev-seo
    Live SEO audit for any website from one homepage URL, judged by Jev. PDF, XLSX and Markdown reports.

    AgriciDaniel/jev-seo · Python

    749119
    python
  • 36awesome-jev-projects
    Awesome Jev: source-backed open-source ecosystem radar, plain-language project discovery, and automatic GitHub sync

    logicrw/awesome-jev-projects · JavaScript

    70861
    awesome
  • 37jev-review
    Staged code-review workflow and local dashboard built with TypeSafe Jev.

    devagrawal09/jev-review · TypeScript

    69547
    ai-agentscode-review
  • 38awesome-jev (AnotiaWang)
    Curated list of awesome Jev / TypeSafe System One applications, libraries, and resources.

    AnotiaWang/awesome-decision-models · Python

    681146
    awesome
  • 39jev-skill
    An awesome collection of Jev use cases, workflows, and agent skills.

    wuyoscar/jev-skill · Python

    66251
    python

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