A FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
TypeSafe AI@typesafeaiOFFICIALTypeSafe announces public access to Jev without a waiting list. The official console is the starting point for trying typed decisions in your own application.
x.comJev opens to everyoneExplore this project ↗
Diogo Almeida@CompleteSkepticLAUNCH POSTDiogo Almeida introduces Jev, TypeSafe’s structured decision model. Watch the launch film and explore the original thread for the model’s approach, examples and author-reported performance.
TypeSafe AI@typesafeaiOFFICIALTypeSafe’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.
TypeSafe AI@typesafeaiOFFICIALTypeSafe highlights Jev’s typed-output approach: applications provide state and questions, then act on probabilities, choices or scores. The linked announcement also covers the Venice API integration.
x.comAnswers your code can useExplore this project ↗Four official signals. A fresh starting point on each visit.
1,198 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
A Rubik's Cube that uses Jev AI to solve itself using a human-like method rather than optimal algorithms.
Source-linked curation
John YeoA community post about improving a Slack agent's speed using Jev for faster skill and tool classification.
Source-linked curation
Tony DinhA Chrome extension using Jev to detect and skip YouTube sponsor segments in real-time.
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Paul WeiJev model demonstrates fast decision-making in a strategy game. Achieves high-speed gameplay with minimal visual feedback.
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Hunch is a GitHub tool for code review that applies rules written in plain English to analyze and improve code quality.
Source-linked curation
Pokémon FireRed Elite Four run. A community post describing an experiment where Jev successfully completed a game with low-cost resources.
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生ビールA local Jev model for processing tasks with potential for improved speed.
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Real-time firewall for AI coding agents: a PreToolUse hook checks every Claude Code / Codex tool call with deterministic shell-aware rules, and unmatched actions go to Jev for a calibrated allow/ask/block that fails closed.
github.comKoushik890/jev-firewallExplore this project ↗Source-linked curation
N8n community node for the TypeSafe AI System One API — typed yes/no, choice and score questions with calibrated probabilities.
github.comDomMonte/n8n-nodes-typesafe-aiExplore this project ↗Source-linked curation
Curated catalog of System One / Decision Models — contributions for modelsystem.one.
github.comfabricioctelles/modelsystemExplore this project ↗Source-linked curation
Chris TateA community tool allowing Jev to make decisions through command-line interactions for agent systems.
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AbolA demonstration where Jev was given $10,000 to trade.
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Using Typesafe.AI to generate diff reviews.
github.comrbalch/typesafeai-reviewExplore this project ↗Source-linked curation
x.comA community post describing Jev as a decision-making tool with specific limitations and use cases.
x.comA hype-free explanation of JevExplore this project ↗Source-linked curation
Local bilingual probability decisions from context, questions, and candidate answers. Independent research preview inspired by TypeSafe Jev.
github.comzhihz/openjevExplore this project ↗Source-linked curation
Jev (TypeSafe) exploratory thread: claim audit, live demos, and runnable code.
github.comSamuelSacco/jev-explorationExplore this project ↗Source-linked curation
Parallel web search for terminals and agents, with local Chromium and Jev-guided exploration.
github.comkomikat/psearchExplore this project ↗Source-linked curation
Route HTTP requests by meaning. A semantic router for Hono powered by Jev.
github.comyusukebe/hono-jev-routerExplore this project ↗Source-linked curation
A GitHub project implements a web search tool where Jev selects sources for plain-language queries.
github.commukiwu/jev-search-mcpExplore this project ↗Source-linked curation
A fire evacuation simulation where each person makes Jev-style decisions.
Source-linked curation
Swift SDK for TypeSafe AI.
github.comInsaneArts/typesafe-sdk-swiftExplore this project ↗Source-linked curation
Niaz MorshedAn experimental local-first plugin for coding agents that uses Jev to provide quality feedback during development.
Source-linked curation
A teleprompter of talking points that checks each one off as you cover it, using TypeSafe's Jev Score questions.
github.comfinetuningsingh/intelliprompterExplore this project ↗Source-linked curation
Jev picks rotation and column from holes, stack height, and bumpiness.
jev-omega.vercel.appJev TetrisExplore this project ↗Source-linked curation
High-speed recursive AI Elo tournament engine powered by Jev and Swiss matchmaking.
github.comopaielsheikh/ai-elo-rankerExplore this project ↗Source-linked curation
JevBench v1 - a benchmark for Jev-class typed decision models: smart, cheap, fast, reliable, open.
github.comfstandhartinger/jevbenchExplore this project ↗Source-linked curation
Let Jev (TypeSafeAI) solve 2048.
github.comKyleKreuter/jev2048Explore this project ↗Source-linked curation
savA community post suggests Jev accelerates computer use, claiming 100x faster processing than standard LLMs.
Source-linked curation
Fast structured Android control loops with TypeSafe Jev and Mobile MCP.
Source-linked curation
Ask a yes/no question of every function in a codebase. Ranked answers in seconds, for cents. Grep whose pattern is a question, powered by TypeSafe Jev.
github.comsufianetaouil/everyExplore this project ↗Source-linked curation
Play ten browser games from the screen with a 0.8B open model that returns a probability over the game's legal moves in one forward pass, no text generated.
github.comOmniJev/PlayJevExplore this project ↗Source-linked curation
Twelve members. Zero qualifications. A playful TypeSafe AI council with animated votes, inspectable decisions, and shareable verdicts.
github.comcbetz/extremely-specific-councilExplore this project ↗Source-linked curation
Jev generates piano music by selecting notes and chords based on input sequences.
Source-linked curation
A tool for evaluating coding sessions by analyzing each turn.
github.comhobbs/jev-turn-analysisExplore this project ↗Source-linked curation
A small Next.js app for experimenting with TypeSafe AI's Jev model (System One).
github.comLittle-Planet-Labs/jev-playgroundExplore this project ↗Source-linked curation
Marketing analytics platform whose feature flag routes brand-visibility classifiers off an LLM and onto Jev boolean decisions.
Source-linked curation
A chatbot project that responds to typed questions, part of a research collection.
github.comkyle-pena-nlp/jevchatExplore this project ↗Source-linked curation
A guide explaining how to integrate Jev with Pydantic AI agents for type-safe operations.
Source-linked curation
Official TypeSafe reference: API reference.
docs.typesafe.aiSTATE → DECISION → CODEExplore this project ↗Source-linked curation
🚀 Blazing-fast native macOS menu bar companion for Notion. Pure Swift & SwiftUI (<3MB), 8 languages.
github.comjeffloo886/jev-notionExplore this project ↗Source-linked curation
A lightweight Jev-powered router for models, tools, and subagents.
github.comBillionsBobby/JevRouterExplore this project ↗Source-linked curation
A guide on integrating Jev with LiteLLM for simplified model calls through an existing proxy.
docs.litellm.aiJev through LiteLLMExplore this project ↗Source-linked curation
Local-first MCP plugin for continuous software-quality review by AI coding agents, powered by Jev.
github.comNiazMorshed2007/jev-reviewExplore this project ↗Source-linked curation
x.comA community guide outlining 10 steps to implement Jev for faster decision-making in AI agent systems.
Source-linked curation
Unofficial typed async Rust client for the TypeSafe System One API.
github.comJedimEmO/typesafe-clientExplore this project ↗Source-linked curation
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github.comcollapseindex/jev-ultralightspeedExplore this project ↗Source-linked curation
A research project on GitHub conducting nine experiments and 28 predictions with fixed parameters, focusing on Jev's performance metrics.
github.comwillkelly/jev-evaluationExplore this project ↗Source-linked curation
A reproduction of Jev that turns any Qwen model into a fast decision model, serving the same /v1/systemone schema (Choice, Score, Noul) with no training and no generated answer text.
github.comzhengxuyu/litjevExplore this project ↗Source-linked curation
Rust CLI powered by Jev from TypeSafe.ai that ranks agent skills for the next step using live session context. Includes Claude Code hooks, structured JSON, abstention, and local feedback. Requires a TypeSafe API key.
Source-linked curation
AI benchmark on Japan's 2026 Common Test: Jev vs luna-none vs luna-low (static dashboard).
github.comshibadogcap/kyotsu-ai-benchExplore this project ↗Source-linked curation
A small reproducible MuJoCo pilot comparing Jev, Claude Haiku, and reactive rules for pick-and-place.
github.comtryaksh/jev-pick-and-place-studyExplore this project ↗Source-linked curation
A community post presents a codebase complexity classifier using Jev, aiming to address overengineered code.
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A community project exploring Jev's potential to evaluate agent progress beyond basic trace data.
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Zod validates the shape, Jev validates the meaning: semantic checks on request bodies become calibrated probabilities you threshold in code.
github.comjomatsu/zod-jevExplore this project ↗Source-linked curation
Autonomous Jev pull-request review with typed decisions, calibrated approval gates, and trusted-owner escalation.
github.comthiago-ss/jev-reviewExplore this project ↗Source-linked curation
Local tactics shrink 225 moves to about 40 candidates, then Jev picks among tiered options.
x.comJev gomoku harnessExplore this project ↗Source-linked curation
Know before you click. A Chrome extension that reads articles and YouTube videos ahead of you and says read, skim, save, or skip — with a confidence, tuned to your goals. Open source, MV3, powered by Jev.
github.comThinkyMiner/WinnowExplore this project ↗Source-linked curation
x.comJev offers versatile use cases, with a community post suggesting potential for rapid SaaS growth.
Source-linked curation
Uses Jev to decide which AI model to use before generating output, based on prompt and quality requirements.
Source-linked curation
Compare GPT generated language with JEV structured Noul decisions on the same input.
github.comTanayPadar/gpt-vs-jevExplore this project ↗Source-linked curation
Independent, evidence-based map of when TypeSafe's Jev actually holds up vs. breaks down — real API-call receipts, not a leaderboard. 中文為主的雙語 repo。
Source-linked curation
Official TypeSafe reference: Changelog.
docs.typesafe.aiSTATE → DECISION → CODEExplore this project ↗Source-linked curation
Jev-powered model-judged permission gate for OMP (TypeSafe System One).
github.comSTRML/omp-jevens-classifierExplore this project ↗Source-linked curation
A resource detailing a test of Jev on 12 real-world scenarios, including speed, cost, and practical applications.
YouTube · Explore this projectSource-linked curation
⚡ Sub-100ms cognitive reflexes for autonomous coding agents. Powered by TypeSafe AI's Jev & get-fable.
github.comimMamdouhaboammar/fable-jevExplore this project ↗Source-linked curation
Jev plays Tetris by making real-time decisions to move blocks.
Source-linked curation
A research project featuring an English–Icelandic dictionary that uses Jev to rerank results for better accuracy.
Source-linked curation
Krunker-style 1v1 FPS where Jev decides move, aim, ADS, fire, and jump at about 9 Hz.
jev-arcade.vercel.appJev ArcadeExplore this project ↗Source-linked curation
🧹 Fun project: a Chrome extension that asks a tiny AI decision model (TypeSafe Jev) "is this DOM element an ad?" and pops it off the page. BYOK, no backend, not a real ad blocker.
github.comrealZachi/typesafe-adblockExplore this project ↗Source-linked curation
Dev.to walkthrough of the Vercel AI SDK evaluate integration.
dev.toHe says he co-invented ChatGPT. His new AI will not write a wordExplore this project ↗Source-linked curation
Draw on a tldraw canvas with your voice and a pointing finger. Jev (TypeSafe System One) decides action, target and place in ~350 ms per spoken word.
github.comgaborishka/jev-canvasExplore this project ↗Source-linked curation
Idan LevinJev achieved 100% task success on the WebMCP benchmark with significantly lower model costs compared to other systems, using a combination of tool selection and argument generation.
Source-linked curation
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