Jev Ultrafast
browser-use/jev-ultrafastJev picks the action and the DOM element directly, leaving a small model to fill in text only. The Google Flights demo finishes in about 7…
Browser
24.1k★
The Jev ecosystem, ranked
Every open-source project built on Jev, TypeSafe AI's System One model for fast typed decisions — discovered from GitHub, filtered, and re-ranked every day. 1299 more are indexed from the community's curated lists.
Projects tracked261
Combined stars151.1k
Shipped this week0
Last refreshed2026-11-04
Getting access to Jev
Three routes, as of 2026-11-04. Verify before you build on any of them.
Official
TypeSafe waitlist →
Official access. Builders report invites arriving the same day, though that is anecdotal and not a commitment.
No waitlist
OpenRouter →
Listed as
typesafe/jev-1.13, 32K context, $0.042 per million input tokens and $0 output. Not yet in OpenRouter's public model list, so treat availability as unconfirmed.
No waitlist
Vercel AI Gateway →
Reachable with a Vercel AI Gateway key, no separate signup. Community reports a free window; check current pricing before you depend on it.
kev
jaredpalmer/kevJev-like family of decision models built on top of Qwen3.5/3.8 you can train and run on your own
Other
9.8k★
yao
YaoApp/yao✨ All your agents and workspaces in one place, on every device you own. Track tasks on a board, accessible from desktop, mobile, browser, or…
Browser
8.3k★
jev-chat-jarvis
jev-chat/jev-chat-jarvisThe chat decision assistant: before you reply, Jev reads the chat, judges intent and risk, and drafts replies you fill in with one tap. You…
Computer Use
8.2k★
fast-jev-compaction
tamaratran/fast-jev-compactionJev decides which tool calls and results have gone stale and deletes them rather than re-summarising the originals — less context without the…
Coding Agent
7.8k★
SemIf-OpenJev
TheoLeeCJ/SemIf-OpenJevSemantic ifs from open models, on a 3090 at home. Independent; not affiliated with Jev or TypeSafe.
Search
4.9k★
jevgrep
dzhng/jevgrepFind code by asking what it does. A CLI for coding agents that uses Jev to discover relevant files and source context.
Coding Agent
3.2k★
CLM
Contrastive-LM/CLMContrastive Language Models (CLMs) are a new class of System One model trained with a contrastive learning objective that connects states and…
Other
3.2k★
jev-trader
jarrodwatts/jev-traderOne AI trade decision every Monad block. Jev on Kuru MON-USDC.
Other
3.1k★
memsearch
zilliztech/memsearchA persistent, unified memory layer for all your AI agents (e.g. Claude Code, Codex, DSH), backed by Markdown and Milvus.
Coding Agent
2.8k★
NanoJev
TianyuCodings/NanoJevA nano replica of Jev: parallel decisions, dynamic candidates, and an end-to-end training pipeline.
Other
2.6k★
awesome-jev
yibie/awesome-jevA curated list of public projects, integrations, and discussions built on Jev — TypeSafe AI's System One model for typed decisions.
Awesome List
2.5k★
AnyJev
nokia-applied-research/AnyJevTurn any LLM into a Jev-style decision model: typed decisions, real probabilities, no training. (continue updating, welcome any issue and PR…
Eval & Align
1.6k★
agentconnect
agentconnect-md/agentconnectThe open-source, multi-agent alternative to Claude Tag. @ any agent, wherever work happens, they work alongside your team, learning as they…
Eval & Align
1.5k★
ollaya
ollaya-dev/ollayaJev-compatible API server for open decision models. Ollama for decision models: pull and serve 29 model families (Laya, pplx-decider, Clef…
Computer Use
1.4k★
reticle
reticlehq/reticleAI agents can generate code, but still struggle to understand what they build. Reticle brings Jev-style machine-native runtime perception to…
Browser
1.3k★
hermes-jev-skills
kerpopule/hermes-jev-skillsJev-powered model routing, memory, compaction, skill selection, computer and browser use for Hermes agents (also Claude Code and Codex)
Browser
1.3k★
pg-jev
realZachi/pg-jevAsk your rows questions directly — "does this record look like a fraudulent transaction?", "which class does this user fall into?"
Data
1.3k★
jev-browser-use
wy-coliney/jev-browser-use5–10x faster browser operations: Jev clicks, Codex thinks and verifies. Built at EZCollegeApp.
Browser
1.2k★
momo-code
momozi1996/momo-codeMOMO CODE — RSI *JEV*Pi --AI coding agent that evolves with you
Coding Agent
1.1k★
shapeshift
anishfn/shapeshiftAn input that becomes what you mean: one text box that morphs into the right UI as you type. Powered by TypeSafe Jev, works offline.
Other
1.1k★
awesome-jev
heyjunpenn/awesome-jevA verified, community-maintained catalog of 992 open-source projects built with Jev.
Awesome List
1.1k★
laya
receptron/layaRun Laya, the open-source Jev-compatible System-1 decision model, from Node.js / TypeScript via ONNX Runtime
SDK & Runtime
1.0k★
rizzo-flow
Rizzo-AI-Academy/rizzo-flowThe open, local take on Jev: typed decisions from an LLM, without generating a single token
SDK & Runtime
956★
jev
feder-cr/jevjevos: an open-source alternative to Jev and Microsoft-Decision-1. Yes/no decisions, choices and scores with probabilities, on your laptop's…
SDK & Runtime
953★
Valen
Valen-Team/ValenOpen, lightweight multimodal decision models for text, images, and video. Train and run them yourself.
Coding Agent
900★
jev-chat-windows
jev-chat/jev-chat-windowsJevChat-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
Computer Use
870★
Foreman
thruwire/foremanIndependently watches Codex/OpenCode for drift, stalls, missing tests or premature exits, then decides whether to continue, verify, retry, or…
Coding Agent
806★
openjev
razorback16/openjevOpen, Jev-compatible System One decision server on DiffusionGemma
SDK & Runtime
772★
VideoAdGuard
ZeroTang05/VideoAdGuard哔哩哔哩浏览器插件：基于大语言模型，对B站视频中的植入广告进行检测。一键跳过视频中的植入/口播广告。
Browser
767★
strands-decider
strands-labs/strands-deciderA small, fast decision model, or system one model, for agentic workflows. Pick between options or rate on a scale faster than an LLM, with a…
Eval & Align
755★
awesome-jev-tools
v-modal/awesome-jev-toolsA curated list of tools built for Jev — TypeSafe AI's System One model for typed decisions.
Eval & Align
753★
jev-seo
AgriciDaniel/jev-seoLive SEO audit for any website from one homepage URL, judged by Jev. PDF, XLSX and Markdown reports.
Other
753★
awesome-jev-projects
logicrw/awesome-jev-projectsAwesome Jev: source-backed open-source ecosystem radar, plain-language project discovery, and automatic GitHub sync
Awesome List
713★
Jev Review
devagrawal09/jev-reviewReviews a git diff or a whole codebase for correctness, security, compatibility and test coverage, with a local dashboard.
Coding Agent
695★
awesome-decision-models
AnotiaWang/awesome-decision-modelsA curated list of decision models (System One / typed decision models): hosted APIs, open-weight models, runtimes, SDKs, applications…
Routing
682★
jev-skill
wuyoscar/jev-skillAn awesome collection of Jev use cases, workflows, and agent skills.
Coding Agent
663★
jev-router
gargpratyush/jev-routerPicks a cheaper or a stronger model inside Claude Code based on task complexity, aiming to cut agent inference cost.
Routing
652★
Agent
AgentiLoop/AgentAgent! now supports macOS 14.6 or later, Apple Silicon and Intel, latest release. The Best AI agent for Mac: drives any app via…
Computer Use
652★
TypeSafe Computer Use
Sac-Y/Jev-cuOCRs the screen, then has Jev choose the click target from a fixed action set. Roughly $0.0002 per step, which is what makes high-frequency…
Computer Use
631★
awesome-typesafe-jev
AbdelStark/awesome-typesafe-jevAwesome Jev: a source-backed field guide to TypeSafe's System One model, with SDKs, live demos, agent tools, and independent evaluations.
Search
614★
minecraft-agent
rmalde/minecraft-agentAstra planner and JEV controller for Minecraft, with native recording, tested routes, and run verification.
Routing
602★
awesome-jev
kydlikebtc/awesome-jev1207 public resources for Jev, TypeSafe AI's System One decision model, indexed by decision pattern. Source citations, dated link checks and…
Coding Agent
598★
awesome-jev
cobanov/awesome-jevA curated, source-backed list of projects built with Jev, TypeSafe AI's System One model for typed decisions.
Routing
590★
djev-run
taeold/djev-runServe the experimental DiffusionGemma-Jev diffusion model on Cloud Run GPUs (vLLM, RTX PRO 6000), with demo apps and published benchmarks.
SDK & Runtime
586★
jev-cookbook
datawhalechina/jev-cookbook⚡ 适合中国宝宝的 Jev 入门教程｜手把手带你了解关于 Jev 的一切——Jupyter Notebook 轻松实验，从三种问题原语到 18 篇实战配方、语音智能家居、模型评测与本地微调，全面掌握 System One 判断模型的开发范式
Other
579★
goutoujunshi-jev-chat
shengjidaguai-china/goutoujunshi-jev-chat狗头军师 Chat：Mac 微信读屏、关系分析与回复草稿悬浮窗
Other
576★
mu
qybaihe/mumu (μ): most of what a coding agent decides isn't code. mu hands 40 kinds of yes/no calls to a small model: fewer wasted tokens, fewer…
Computer Use
573★
jev-mcp
jkudish/jev-mcpFast, cheap, typed judgments from TypeSafe's Jev model, as MCP tools.
Coding Agent
567★
Jev Search
superagents-lab/jev-searchJev chooses the sources, time range and keywords, then ranks results from Google, Reddit, GitHub, HN and YouTube by relevance.
Search
554★
JevHarness
TianyuCodings/JevHarnessLLM-authored task-specific Jev harnesses with optional full-trajectory reward reflection and GEPA evolution.
Other
553★
jev-chat-jarvis-mac
jev-chat/jev-chat-jarvis-mac聊天悬浮窗助手（macOS）：屏幕感知 + 本地小模型判断意图与风险，按话术生成回复候选。纯只读。
Computer Use
524★
ldraw-nova
anteloc/ldraw-novaAgent tooling for generative LEGO models building, built with Astra and Opus 5.5, powered by Jev
Other
518★
tax-doc-classifier
kyotofin/tax-doc-classifierTax document page classifier built on Jev decisions. 100% strict accuracy across 261 IRS forms, ~$0.001 per page.
Eval & Align
516★
LLM2Jev
Yinsongxu/LLM2JevTurn local language models into Jev-style structured decision models. Get results from text and images with prefill alone—no token-by-token…
SDK & Runtime
481★
awesome-jev-use-cases
walidboulanouar/awesome-jev-use-casesAwesome list of TypeSafe AI Jev use cases: 74 demos ranked by likes, 150+ GitHub repos, limits, cost and API examples. CC0
Coding Agent
480★
awesome-jev-gallery
OmniJev/awesome-jev-gallery🔥🔥 Awesome Jev: open-source models, projects, benchmarks, and independent evaluations for Jev and System One models.
Eval & Align
479★
JevRouter
BillionsBobby/JevRouterA lightweight Jev-powered router for models, tools, and subagents
Routing
466★
mobile-jev
droidrun/mobile-jevJev decides every step of phone operation, with a React control console and an Uber demo. The most direct application of Jev on mobile.
Mobile
459★
typesafe-mario
fhshaik/typesafe-marioA TypeSafe/Jev agent that plays Super Mario Bros. from structured emulator state.
Other
457★
vexjoy-agent
notque/vexjoy-agentVexJoy AI Agent with Jev Intelligent Routing - /do routes plain-English requests to the right specialist agent and gates the work with…
Coding Agent
445★
jev-voice-browser
moritzkremb/jev-voice-browserControl a real browser by voice. Jev (TypeSafe System One) decides intent + target in ~300 ms per spoken word; Playwright acts — often before…
Browser
425★
imajev
mohit67890/imajevOpen Jev-style typed-decision model that also takes images: photo + app state + typed questions in, calibrated probabilities out, locally.
Eval & Align
420★
agent-jev
malevrigns/agent-jevAgentJev-0.6B - a fast 'System One' decision model for AI Agents: feed it any unstructured state (diffs, traces, logs) and structured…
Eval & Align
398★
unclutter
kitze/unclutterWXT browser extension: Jev-powered page clutter removal with reusable template rules.
Browser
389★
awesome-jev-live
wh000wh000/awesome-jev-liveAwesome Jev — evidence-graded index of TypeSafe System One: SDKs, MCP tools, agents, apps and open models. 20 languages, rebuilt every 2…
Coding Agent
377★
system-one-connector
itsmostafa/system-one-connectorSystem One MCP connector to evaluate anything fast and cheap. Give your AI agent direct access to models like: Jev, D1, CLM and Laya
Coding Agent
357★
keel
codejunkie99/keelLocal-first macOS coding workspace with local Laya and optional Jev decision selection
Computer Use
355★
crush-monitor
FerryCorleone/crush-monitorCrush 好感监控器：用 Jev 分析微信聊天的情绪、意图和回复表现。本机部署，使用自己的 API Key。
SDK & Runtime
335★
beebots
imikerussell/beebotsThree AI trading bees on OKX, every decision by Jev. Paper trading by default. Not financial advice.
Other
335★
openjev-sglang
ekzhang/openjev-sglangJev-compatible API endpoint based on open models (prefill-only)
SDK & Runtime
333★
embodied-jev
FBddcz/embodied-jevEmbodiedJev: MuJoCo robot decision workbench with MiniCPM5-2B, Jev and compatible model APIs
Home & IoT
332★
jev-visual
hr98w/jev-visualAn educational Jev-like visual inference experiment on Apple Silicon: shared context, direct candidate scoring, and local visual demos.
SDK & Runtime
327★
jev-gateway
vinilana/jev-gatewayAn easy way to use jev with your coding agent for tool calling reasoning
Coding Agent
325★
jev-align
sutro-sh/jev-alignBuild calibrated AI Functions from human feedback using Jev and GEPA.
Eval & Align
315★
Astra-Ares
miuuyy/Astra-AresAdaptive reasoning effort for GPT-6 during Codex tasks, powered by Jev to reduce token usage.
Coding Agent
315★
jeff
logan-markewich/jeffA self-hosted drop-in replacement for TypeSafe's jev, powered by GliFormer.
Other
313★
openJev-verdict-2.0
Heman10x-NGU/openJev-verdict-2.0Calibrated 151M Non-Autoregressive Decision Engine beating TypeSafe Jev & Laya on LocalLLaMA/typed-decisions (77.10% acc, 0.0636 Brier…
Eval & Align
305★
jev-drone
RomanSlack/jev-droneCamera-only autonomous drone in MuJoCo with a small judgment model (TypeSafe Jev) in the loop at 2.5Hz
Home & IoT
300★
quackd
rokbenko/quackdOne CLI for all your robots. Connect them, command them, and let them work together, each with an LLM for a brain (Claude, OpenAI, Gemini…
Coding Agent
289★
VideoJev
MCG-NJU/VideoJevVideoJev: System One Model for Video Understanding and Interaction
Other
289★
skillbox
kitze/skillboxSelf-hosted, versioned skills library for AI agents. MCP, scoped clients, and optional Jev recommendations.
Coding Agent
277★
killmyidea
monteduro/killmyideaDescribe your startup idea. Jev decides: kill it, fix it or ship it.
Other
275★
jev-codex-router
0xNatoshi/jev-codex-routerPer-turn model & reasoning routing for Codex, driven by Jev (TypeSafe System One): picks the model, thinking depth and speed mode for every…
Computer Use
274★
jev-dsh-decision
Devin-AXIS/jev-dsh-decisionJev DSH 决策引擎｜面向 Agent Harness 的结构化决策插件。原生支持 DeepSeek Harness，通过 iPolloWork 支持 OpenCode、Codex Harness。
Coding Agent
269★
No project matches that filter.
Ranked by GitHub stars. Would rather watch than read? See them running. Missing something? Submit a project — or read how this list is built.