A FIELD GUIDE TO JEV / VOL. 01

Pequeñas decisiones.
Grandes posibilidades.

Lo mejor de Jev: proyectos reales, guías prácticas e ideas de toda la web.

1198recursos16idiomas
THE OFFICIAL SIGNAL 4 HIGHLIGHTS
TypeSafe AI@typesafeaiOFFICIAL

TypeSafe steps out of stealth

TypeSafe’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.

VIDEO

Four official signals. A fresh starting point on each visit.

286 recursos

AI-assisted summaries and translations. Check original sources for context and performance claims.

TRADUCIDO4 clicks / 7d
tamaratran

fast-jev-compaction

Plugin de Claude Code que reemplaza el resumen de compresión con decisiones Jev, evaluando cada llamada de herramienta y resultado en una sola solicitud rápida, descartando o truncando los datos obsoletos.

fast-jev-compaction
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TRADUCIDO4 clicks / 7d
browser-use

Jev Ultrafast

Agente ultra rápido para uso en navegador: Jev selecciona la operación y el elemento DOM en una sola solicitud; un pequeño LLM solo escribe texto cuando es necesario.

Jev Ultrafast
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GhalebDweikat

winnow

A calibrated context sieve for Claude Code: every tool result is judged by a System One model before it enters context.

winnow
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Instructa

switchloom

A deterministic model routing system for coding agents with a skill for Codex.

switchloom
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Konstantinos Botonakis

codex-context-diet

A Codex plugin that uses Jev to streamline and reduce excessive tool outputs.

codex-context-diet
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prasanth263

maza

A developer project for the agents shelf featuring a local MCP gateway with Jev tool discovery and a dashboard.

maza
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24601

Augustus

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.

Augustus
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Hitakshi Arora

solari-reflex

An agent system that makes one Jev decision per computational step.

solari-reflex
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DanRWilloughby

snifftest

A prose linter that sniffs out AI writing tells. Zero dependencies, countable rules plus one judgment model.

snifftest
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choxos

jev-reviewer

Data extraction for systematic reviews, quoted from the papers. Ask a trial report and its supplements your extraction form or a RoB 2, ROBINS-I, QUADAS-2 or TIDieR template; Jev points at the lines, every answer is a verbatim quote with its page, you check it and export the table. Files stay in your browser.

jev-reviewer
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Heman10x-NGU

Verdict-open-jev

Non-autoregressive decision engine on ModernBERT (151M) with calibrated uncertainty (RLCD), TypeSafe AI Jev benchmark audit, and in-browser WebGPU playground.

Verdict-open-jev
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skeptrunedev

jev-recruiter

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

jev-recruiter
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dbreunig

building-with-jev-skill

A skill for writing and improving programs that call Jev, TypeSafe's System One model.

building-with-jev-skill
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Ying-Kai-Liao

jev-browser (Ying-Kai-Liao)

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

jev-browser (Ying-Kai-Liao)
Agentes y navegadoresEnglish

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compozy

yoshi

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.

yoshi
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awlevin

typesafe-computer-use

Computer use for about $0.0002 a step: OCR the screen, classify the next action with TypeSafe, click. macOS.

typesafe-computer-use
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tyler-dot-earth

patdown

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

patdown
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abhishekashokvkumar

jev-mcp-dispatcher

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

jev-mcp-dispatcher
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somoore

Interlock

A developer project that uses Jev as a sensor to control access to agent tools, enhancing security and functionality.

Interlock
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Bently

siftr

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

siftr
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itsmostafa

typesafe-mcp

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

typesafe-mcp
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RubyBrewsday

jevcumber

Write Cucumber tests with just the .feature file. No step definitions — Jev (TypeSafe AI) resolves each Gherkin step and Playwright runs it.

jevcumber
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burnigtm

jev-mcp (burnigtm)

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

jev-mcp (burnigtm)
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luantak

is-malicious

Scans a codebase for covert, deceptive, or data-stealing behavior with Jev, then reports suspicious files and line ranges before the user runs it.

is-malicious
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Agent Labs

fastbrowse

A developer project where Jev assists in browsing by selecting actions, with an LLM planning and citing sources.

fastbrowse
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tontoko

jev-browser (tontoko)

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

jev-browser (tontoko)
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Clownware

Bouncer

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

Bouncer
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Mihajlo Micic

jev-tool-runner

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

jev-tool-runner
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Tony Powell

jev-oxlint

A GitHub project converting agent skills into Oxlint plugins that involve Jev.

jev-oxlint
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CodeAlive

mastra-jev-moderation

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

mastra-jev-moderation
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madeye

pi-jev

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

pi-jev
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ariel-frischer

jevkit

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

jevkit
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tonyzdev

pijev

PiJev: a terminal coding agent with Jev in the loop — Jev ranks the repository's files before the first call, picks skills and triages failures; your coding model writes the code. Built on Pi.

github.comtonyzdev/pijevVer proyecto ↗
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Pedro Knigge

mcp_jev

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

mcp_jev
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AkashPriyadarshii

jev-seo

100% free ₹0 agent-first SEO & GEO CLI suite and MCP server in Rust replacing Semrush and OpenSEO via DuckDuckGo and TypeSafe Jev System One.

jev-seo
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ThinkyMiner

Winnow

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/WinnowVer proyecto ↗
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AkashPriyadarshii

jev-superpowers

Systematic software development framework for AI coding agents upgraded with TypeSafe Jev System One typed decisions.

jev-superpowers
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docxology

daf-jev

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

daf-jev
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