The Jev launch post
Diogo 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.
A FIELD GUIDE TO JEV / VOL. 01
รวมโปรเจกต์จริง คู่มือใช้งาน และไอเดีย Jev จากทั่วอินเทอร์เน็ต
Diogo 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’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.
TypeSafe 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 useดูโปรเจกต์ ↗TypeSafe 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 everyoneดูโปรเจกต์ ↗Four official signals. A fresh starting point on each visit.
286 แหล่งข้อมูล
AI-assisted summaries and translations. Check original sources for context and performance claims.
เอเจนต์ที่เร็วมากสำหรับการใช้งานเบราว์เซอร์: Jev เลือกการดำเนินการและองค์ประกอบ DOM ในหนึ่งการร้องขอ; โมเดลขนาดเล็กเขียนข้อความเฉพาะเมื่อจำเป็นต้องพิมพ์

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ปลั๊กอิน Claude ที่แทนการสรุปการบีบอัดด้วยการตัดสินใจของ Jev: ทุกการเรียกใช้เครื่องมือและผลลัพธ์จะถูกประเมินในหนึ่งการร้องขอที่รวดเร็ว ข้อมูลเก่าจะถูกลบหรือตัดทอน ทุกอย่างที่เก็บไว้จะคงรูปแบบเดิม

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Fast structured Android control loops with TypeSafe Jev and Mobile MCP.

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Jev-Tool-Runner is a GitHub project where Jev selects developer tools and Codex generates code based on those selections.

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Control a real browser by voice. Jev (TypeSafe System One) decides intent + target in ~300 ms per spoken word; Playwright acts — often before you finish the sentence.

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WXT browser extension: Jev-powered page clutter removal with reusable template rules.

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Jev-assisted file retrieval and request caching for faster Pi workflows.

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An agent project aimed at reducing token usage for coding agents via an MCP server.

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One grounded Jev/Playwright core: typed SDK, persistent CLI, and MCP server with native browser operations and deterministic assertions.

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A developer project for agent-native routing that selects models based on task complexity.

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Typed, confidence-aware agent skill routing with TypeSafe Jev.

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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.

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Context-pruning proxy for Claude Code and Codex: Jev judges which history is still needed, measured not claimed. POC here now, heading soon into https://github.com/compozy/compozy.

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A developer project using Jev for plain-language MCP tool calls without an LLM.

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A moderation system for Mastra agents that processes inputs in a single file.

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Fast Rust CLI for TypeSafe Jev: typed decisions, offline linting before you pay.

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Go CLI and single-binary MCP server exposing TypeSafe judgments to Claude Desktop, Claude Code, and Codex.

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Agent skill: design judgment-assisted systems with TypeSafe Jev (System One). Maps Choice/Score/Noul onto decision theory, reranking, and routing. Composition algebra, question design, validation gates. MIT.

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MCP server that puts TypeSafe Jev on the coding loop in Cursor, Codex, and any MCP client.

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Daf-jev: composable Python toolkit for TypeSafe's Jev (System One) decision API — question builders, confidence gates, evaluator, calibration, CLI, MCP server, agent skill.

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An agent project that enforces policies by judging Claude Code tool calls.

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Browser automation where an LLM plans and Jev (Typesafe System One) decides. Library, CLI and MCP server.

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A developer project offering semantic code search for coding agents, benchmarked on SWE-bench Lite.

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Typesafe's jev as a "fuzzy linter". give your code an ocular patdown.

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Jev decision layer for agents: MCP server, embeddable DecisionModel library, and an escalate-only Claude Code plugin (TypeSafe AI's Jev).

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A Jev powered LinkedIn recruiting agent. Watch it browse relevant profiles, save links, and review evidence against your hiring brief.

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Proof of concept MCP for Typesafe's new Jev AI model.

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Claude Code Stop hook that checks an AI assistant's claims against what it actually read this session, using TypeSafe's Jev as the judge.
github.comVladyslavHontar/clear-headดูโปรเจกต์ ↗Source-linked curation
Türkçe ve İngilizce doğal konuşmayla Windows 10/11 bilgisayar kontrolü: OpenAI Realtime, local Whisper, Jev, UI Automation ve Playwright.
github.commstf-svndk/jev-windows-voiceดูโปรเจกต์ ↗Source-linked curation
Semantic tool routing and typed System One decisions for the Pi coding agent using TypeSafe Jev.
github.comTheoOliveira/pi-jevดูโปรเจกต์ ↗Source-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-carryforwardดูโปรเจกต์ ↗Source-linked curation
Almond-fastloop: Almond's browser computer-use rig (Chrome DevTools + TypeSafe Jev), and the Browser Use Olympics benchmark it is measured on.
github.comeriestra/almond-fastloopดูโปรเจกต์ ↗Source-linked curation
Jev as an LLM prompt guardrail inside the agentgateway proxy, with tracing and cost tracking.
github.comagentgateway/agentgateway/tree/main/examples/llm-guardrail-jevดูโปรเจกต์ ↗Source-linked curation
Command-line tool for TypeSafe's Jev AI model.
github.comNasrallah-AL/jev-cliดูโปรเจกต์ ↗Source-linked curation
Pure Jev that can "type" and drive towards task completion.
github.combuluoray/JevOnlyดูโปรเจกต์ ↗Source-linked curation
Jev 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。
github.comDevin-AXIS/jev-dsh-decisionดูโปรเจกต์ ↗Source-linked curation
A developer project for the agents shelf featuring a local MCP gateway with Jev tool discovery and a dashboard.

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A developer project providing a local MCP server for running pre-made Jev question packs.

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Chrome extension that labels every post on X (Substance · Humor · Chit-chat · Promo · Junk · AI-written) with TypeSafe Jev, and hides the ones you don't want.
github.combohutang/siftดูโปรเจกต์ ↗Source-linked curation
A TypeSafe/Jev agent that plays Super Mario Bros. from structured emulator state.
github.comfhshaik/typesafe-marioดูโปรเจกต์ ↗Source-linked curation
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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Jev-powered semantic browser use.
github.comsightmap/jev-turboดูโปรเจกต์ ↗Source-linked curation
Pi coding-agent extension: TypeSafe Jev checks for tool calls, tool outputs and replies (prompt injection, approvals, secret scrubbing, task pinning).
github.comharshwasan/pi-jev-sentinelดูโปรเจกต์ ↗Source-linked curation
The first general-purpose System One agent for Jev.
github.comrunta-dev/jotดูโปรเจกต์ ↗Source-linked curation
PoC: TypeSafe Jev as the reviewer for Hermes Agent smart command approvals. 8.7x faster, 4.4x fewer prompts, measured on 153 real commands. Approvals only.
github.comanpicasso/hermes-jev-approvalsดูโปรเจกต์ ↗Source-linked curation
Agent tool/MCP call gate — allow / ask_human / deny via TypeSafe Jev.
github.comndolinschi/toolgateดูโปรเจกต์ ↗Source-linked curation
Every code file in a pull request, judged against Uncle Bob's Clean Code by TypeSafe's Jev, then reviewed by Luna. Built on eve and Next.js.
github.comfrostney/clean-code-reviewดูโปรเจกต์ ↗Source-linked curation
A developer project demonstrates Jev's rapid response to browser tasks, with decisions made in approximately 100 milliseconds.

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INSTRUCT_JEV - TypeSafe AI Jev / System One instruction corpus (choice/noul/score), compiled by DeckerGUI. 119 rows. Mirrored on HuggingFace.
github.comctaxnagomi/instruct-jevดูโปรเจกต์ ↗Source-linked curation
A flexible and configurable CLI model router using TypeSafe Jev.
github.commarcus/frostดูโปรเจกต์ ↗Source-linked curation
Local-first MCP plugin for continuous software-quality review by AI coding agents, powered by Jev.
github.comNiazMorshed2007/jev-reviewดูโปรเจกต์ ↗Source-linked curation
Hybrid coding harness: System 2 writes, System 1 (Jev) runs reflexes.
github.comAbdelStark/bicameralดูโปรเจกต์ ↗Source-linked curation
A developer project for agent classification and selective reading using an agent plugin and MCP tool.

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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-verdictดูโปรเจกต์ ↗Source-linked curation
Chrome extension that re-ranks Google results with TypeSafe Jev and folds away sales pages and SEO filler.
github.comtylergibbs1/siftดูโปรเจกต์ ↗Source-linked curation
Filter command output for coding agents using a task description.
github.comibrahemid/jevpruneดูโปรเจกต์ ↗Source-linked curation
An agent system that makes one Jev decision per computational step.

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Pi extension suite powered by Jev: selective context compaction and model routing.
github.comiefnaf/pi-jevดูโปรเจกต์ ↗Source-linked curation
Jev (System One decision model) plugin suite for DeepSeek Harness (dsh).
github.comzhangxaochen/dsh-jevดูโปรเจกต์ ↗Source-linked curation
Software Factory Foreman: an agent supervisor that uses Jev decisions to keep coding agents on task.
github.comthruwire/foremanดูโปรเจกต์ ↗Source-linked curation
A staged code-review workflow and local dashboard built with TypeSafe Jev.

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A developer project for the agents shelf, using MCP tool for Codex instead of listing all options.
github.comjackbarunz/jev-tool-routerดูโปรเจกต์ ↗Source-linked curation
5–10x faster browser operations: Jev clicks, Codex thinks and verifies. Built at EZCollegeApp.

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I kept watching coding agents burn context on decisions that aren't hard - triage 400 tickets, tag 600 files, route to one of six teams. jev-mode moves those verdicts to a typed-judgment model. I A/B'd it: 78% fewer tokens, 16x less work-attributable input, accuracy 96.1% vs 93.7%. Python, no deps, MIT.
github.comddfeyes/jev-modeดูโปรเจกต์ ↗Source-linked curation
Rule-based slop grader for text files powered by Jev: evaluates markdown against customizable rulesets, outputting violation flags and scores for an AI agent to auto-fix.
github.comlukstei/slop-graderดูโปรเจกต์ ↗Source-linked curation
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-firewallดูโปรเจกต์ ↗Source-linked curation
Experimental decision protocol whose Jev adapter evaluates framed evidence with typed choices, while application code validates permissions and commits simulated demo actions.
github.comnumerous-com/dgpดูโปรเจกต์ ↗Source-linked curation
Input moderation for Mastra agents on TypeSafe Jev — one file.
github.comCodeAlive-AI/mastra-jev-moderationดูโปรเจกต์ ↗Source-linked curation
Browser-only playground for Jev (TypeSafe AI's decision model) via Vercel AI Gateway.
github.comterryds/jevplaygroundดูโปรเจกต์ ↗Source-linked curation
用 TypeSafe Jev 推荐已安装 Skill / Bounded installed-skill recommendations with TypeSafe Jev. Python CLI, Codex skill, bilingual docs and live examples.
github.comwin4r/jev-skill-suggesterดูโปรเจกต์ ↗Source-linked curation
Aside agents decide with TypeSafe Jev (System One: Choice/Score/Noul). Not a Cua binding — Jev is the model, Aside is the browser runtime.
github.comhimomohi/aside-jevดูโปรเจกต์ ↗Source-linked curation
Computer use for about $0.0002 a step: OCR the screen, classify the next action with TypeSafe, click. macOS.

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