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Recent activityA FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
THE OFFICIAL SIGNAL 4 HIGHLIGHTS
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 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 ↗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 ↗Start with the Launch Post. Explore four official signals.
378 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
AskJev — Jev autopilot for any website + guard on irreversible clicks (TypeSafe System One, not Claude).
github.comranjan2829/AskJevExplore this project ↗
EnglishSource-linked curation
Typesafe's jev as a "fuzzy linter". give your code an ocular patdown.
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Windows Codex Skill：通过 npx 或 Git 安装，安全配置 save-token-jev 的 PreCompact/SessionStart Hooks，并提供信任、原生压缩与旧内容隔离验证。
github.com455-dIAO/windows-save-token-jev-setupExplore this project ↗EnglishSource-linked curation
Pick the best AI model and reasoning effort for any task in ~1s. Plugin for Claude Code, Claude Desktop and Codex, powered by TypeSafe's Jev decision model and live OpenRouter pricing. Balance intelligence, speed and cost, or choose your priority.
github.comMandrilsquad1441/jev-model-routerExplore this project ↗EnglishSource-linked curation
x.comAn article explains Jev's capabilities and highlights various projects built with it.
x.comWTF is Jev, and 9 things people are buildingExplore this project ↗EnglishSource-linked curation
A browser-native Doom agent experiment with structured spatial state, composable AI controls, live decision telemetry, and a Chocolate Doom WebAssembly runtime.
github.comlukaske/jev-doom-agentExplore this project ↗EnglishSource-linked curation
A Stop hook that stops your coding agent from stopping too early. Plain-language rules, judged by jev.
github.comnoplan-inc/limpetExplore this project ↗EnglishSource-linked curation
Browser-only playground for Jev (TypeSafe AI's decision model) via Vercel AI Gateway.
github.comterryds/jevplaygroundExplore this project ↗EnglishSource-linked curation
x.comA community post explaining Jev's role in improving agent efficiency and cost-effectiveness.
x.comHow Jev makes agents faster and cheaperExplore this project ↗EnglishSource-linked curation
Typed judgment layer for coding agents — gates from PRD to ship. Jev-ready, provider-agnostic.
github.comZahrannnn/zcode-jevExplore this project ↗EnglishSource-linked curation
Open-source Chrome extension that filters AI-generated prose and ads with Jev.
github.comneddes/sloppy-jevs-extensionExplore this project ↗EnglishSource-linked curation
A prose linter that sniffs out AI writing tells. Zero dependencies, countable rules plus one judgment model.
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Filter command output for coding agents using a task description.
github.comibrahemid/jevpruneExplore this project ↗EnglishSource-linked curation
Milind SA system using Jev to interact with computer interfaces without screenshots, relying on local CoreML models and OCR.
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Validated enhancement pack for MiniMax Code CLI on arm64 DGX Spark + local GLM-5.3-EXL3: TUI scrollbar + context-meter patches, compaction repair for local vLLM, Jev Ultrafast + Playwright MCP browser integration, real usage ledger.
github.comdrowzeys/keys-MiniMax-Code-CLI-Browser-Scroll-Context-Enhancement-Pack-with-Jev-Ultrafast-IntegrationExplore this project ↗EnglishSource-linked curation
Software Factory Foreman: an agent supervisor that uses Jev decisions to keep coding agents on task.
github.comthruwire/foremanExplore this project ↗EnglishSource-linked curation
A YouTube guide explaining Jev's functionality, including browser use, classification, and code review without an LLM.
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Local proxy that picks the Claude model and effort per message using TypeSafe Jev. Routes subagents, leaves your cached main chat alone.
github.comadarshmishra07/jcm-routerExplore this project ↗EnglishSource-linked curation
Browser game: try to beat Jev at spotting a spam message.
github.comlambertsj/beatjevExplore this project ↗EnglishSource-linked curation
An experiment using Jev to interpret voice commands and trigger tool actions before the user finishes speaking.
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SIEGE: 200 people vs one agent. A typed action gate (TypeSafe System One) that learns from every breach, evaluated by W&B Weave, hardened by a defender loop. Built at CoreWeave Hacks: Agent Loops 2026.
github.comvnmoorthy/siegeExplore this project ↗EnglishSource-linked curation
Cost-aware LLM router that picks the cheapest model capable of handling a query, using TypeSafe's Jev for fast classification instead of an LLM call.
github.comrajdhakad9826/jev-routerExplore this project ↗EnglishSource-linked curation
Connect JEV to MCP clients and compare its judgments against general-purpose LLMs using shared datasets and measurable accuracy.
github.comarunav25/jev-mcpExplore this project ↗EnglishSource-linked curation
Verbatim Jev-scored context reduction for omp, over TypeSafe or OpenRouter.
github.comjerryfane/omp-jev-compactionExplore this project ↗EnglishSource-linked curation
CLI and agent skill for TypeSafe System One (Jev): typed Choice, Score, and Noul judgments.
github.comgeilt/typesafe-cliExplore this project ↗EnglishSource-linked curation
Hand the browser work off: an MCP server where a decision model drives the page for your agent, so a flow costs one tool call instead of a turn per click. Ref-based element tables, code-checked assertions, zero-model macro replay. Speaks CDP to your Chrome.
github.comjiawei686/jev-ultrafast-mcpExplore this project ↗EnglishSource-linked curation
Code quality and test coverage for coding agents: Jev scores each source file so the agent knows what to fix first.
github.comsupercorp-ai/supercovExplore this project ↗EnglishSource-linked curation
Brood War in WASM exposed as an MCP server, with Jev playing and still losing to a Zerg rush.
x.comStarCraft Brood War WASM MCP demoExplore this project ↗EnglishSource-linked curation
An agent project that enforces policies by judging Claude Code tool calls.
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x.comA community post outlines a guide for constructing a high-speed agent brain using Jev.
x.comBuilding the fastest agent brain in 10 stepsExplore this project ↗Source-linked curation
NotteJev automates browser tasks by selecting actions from a dynamic action space.
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Safety checks for Hermes and other AI agents before they act, ask for approval, or verify a change.
github.combojansandhaus/jev-decisionsExplore this project ↗EnglishSource-linked curation
A developer project for agent classification and selective reading using an agent plugin and MCP tool.
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Flue agent routing with TypeSafe Jev through Cloudflare AI Gateway.
github.commatthewp/flue-jev-demoExplore this project ↗EnglishSource-linked curation
MCP skill router where Jev picks the relevant skills instead of a long agent search.
x.comskillbox + Jev skill routingExplore this project ↗EnglishSource-linked curation
Claude Code / Codex / pi plugin that hands agent steps needing no text output to Jev (TypeSafe's judgment model) — measured p50 ~230 ms and ~$0.02 per 1,000 judgments, with typed escalation back to the LLM.
github.comshitianfang/jev-useExplore this project ↗EnglishSource-linked curation
Chrome extension that asks Jev whether the page you are on is selling something or reporting first-hand experience, and marks Google results with verdicts it already has or snippet-only estimates, leaving low-confidence ones undecided.
github.comtorumitsutake/jev-page-verdictExplore this project ↗EnglishSource-linked curation
Jev-powered semantic browser use.
github.comsightmap/jev-turboExplore this project ↗EnglishSource-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 ↗EnglishSource-linked curation
A small, fast prose linter: ruff-style rule codes for writing, backed by TypeSafe's Jev model.
github.comscale-venture-partners/riffExplore this project ↗EnglishSource-linked curation
What your last session knew, scored against what this one is doing. MCP server: a per-project ledger written as things happen, recalled per task with TypeSafe's Jev evaluation model via Vercel AI Gateway.
github.comDharundp6/jev-carryforwardExplore this project ↗EnglishSource-linked curation
Route to the cheapest model in claude code for your task using jev-router.
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Agent-first Haskell DSL for TypeSafe's Jev judgment model: typed packets, inferred types, answers under the same labels.
github.cominanna-malick/jev-dslExplore this project ↗EnglishSource-linked curation
An agent that plays Tetris with rapid decision-making capabilities. Shows potential for real-time game automation.
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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 ↗EnglishSource-linked curation
Matthew BermanA focus group experiment using Jev to make scroll or stop decisions on ads.
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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 ↗EnglishSource-linked curation
Turn your AGENTS.md preferences into a fast, Jev-powered AI linter.
github.comdoeixd/jev-prefExplore this project ↗EnglishSource-linked curation
x.com10-step guide to implementing Jev for AI agent development and cost efficiency.
x.comJev Engineering: a 10-step roadmapExplore this project ↗EnglishSource-linked curation
John YeoA community post about improving a Slack agent's speed using Jev for faster skill and tool classification.
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A code search tool for agents to find behavior patterns instead of text strings.
github.comnassim-arifette/jevgrepExplore this project ↗EnglishSource-linked curation
Zero-hallucination open-source repo and crate scout powered by TypeSafe AI Jev System One scoring.
github.comAkashPriyadarshii/jev-scoutExplore this project ↗EnglishSource-linked curation
Preview of fast browser use with Jev and OpenCode's browser CLI.
x.comOpenCode browser use powered by JevExplore this project ↗EnglishSource-linked curation
A resource explaining Jev Engineering methodology for AI agent development.
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AgentRun leverages Jev for creating self-sufficient agent workflows.
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Chrome extension that labels every post you scroll past on X with typed Jev judgments and a live cost counter.
github.comoso95/x-scannerExplore this project ↗EnglishSource-linked curation
Talk to your Mac. Local whisper.cpp + one Jev (TypeSafe) call per command + macOS automation.
github.comkevinbadi/jev-voiceExplore this project ↗EnglishSource-linked curation
RuneBench harness for TypeSafe's Jev: bounded action catalog, tick-mode controller and a live dashboard.
github.comSkyvern-AI/jevscapeExplore this project ↗EnglishSource-linked curation
PauliusA system enabling rapid agent deployment on digital canvases without relying on slow LLM processes.
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Typed, confidence-aware agent skill routing with TypeSafe Jev.
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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 ↗EnglishSource-linked curation
tamaraEnables instant compaction by scoring and filtering tool calls efficiently.
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A developer project that uses Jev as a sensor to control access to agent tools, enhancing security and functionality.
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A calibrated context sieve for Claude Code: every tool result is judged by a System One model before it enters context.
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Reversible context pruning for Pi, powered by TypeSafe Jev. Keep useful context without deleting session history.
github.comkevinpita/pi-jev-contextExplore this project ↗EnglishSource-linked curation
Automated database migration safety reviewer powered by TypeSafe AI (Jev System One model).
github.comopaielsheikh/typesafe-migration-guardExplore this project ↗EnglishSource-linked curation
A developer project using Jev for plain-language MCP tool calls without an LLM.
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Grep, but the pattern is a description. Filters lines by meaning with TypeSafe's Jev decision model: ~200 ms and a thousandth of a cent per line.
github.comkeltokhy/jgrepExplore this project ↗EnglishSource-linked curation
x.comTesting Jev as a search reranker shows limited improvement over vector retrieval, with mixed results depending on evaluation methods.
简体中文Source-linked curation
Application of TypeSafe Jev (noul judgment primitive) on the collusion.wiki corpus: agent vs human page authorship, head-to-head vs local Qwen3.8-Flash-Next.
github.comsypherin/jev-trace-classifierExplore this project ↗EnglishSource-linked curation
An agent system that makes one Jev decision per computational step.
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Fast Rust CLI for TypeSafe Jev: typed decisions, offline linting before you pay.
EnglishSource-linked curation
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4 HIGHLIGHTS
Agents & browsers
Source-linked curation
