A FIELD GUIDE TO JEV / VOL. 01

Pequenas decisões.
Grandes possibilidades.

O melhor de Jev: projetos reais, guias práticos e ideias de toda a internet.

1.198recursos16idiomas
TypeSafe AI THE OFFICIAL SIGNAL 4 HIGHLIGHTS
Diogo Almeida@CompleteSkepticLAUNCH POST

Post de lançamento do Jev

Diogo Almeida apresenta o Jev, o modelo de decisão estruturado do TypeSafe. Assistir ao filme de lançamento e explorar o fio original para o abordagem do modelo, exemplos e desempenho relatado pelo autor.

Start with the Launch Post. Explore four official signals.

286 recursos

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

TRADUZIDO4 clicks / 7d
tamaratran

fast-jev-compaction

Plugin de código Claude que substitui o resumo de compactação por decisões Jev, avaliando todas as chamadas de ferramentas e resultados em uma única solicitação rápida, descartando ou truncando os obsoletos.

fast-jev-compaction
Agents & browsersEnglish

Source-linked curation

TRADUZIDO4 clicks / 7d
browser-use

Jev Ultrafast

Agente ultra-rápido para uso no navegador: Jev seleciona a operação e o elemento DOM em uma única solicitação; um pequeno LLM escreve texto apenas quando necessário.

Jev Ultrafast
Agents & browsersEnglish

Source-linked curation

DanRWilloughby

snifftest

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

snifftest
Agents & browsersEnglish

Source-linked curation

Clownware

Bouncer

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

Bouncer
Agents & browsersEnglish

Source-linked curation

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
Agents & browsersEnglish

Source-linked curation

prasanth263

maza

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

maza
Agents & browsersEnglish

Source-linked curation

TRADUZIDO
awlevin

typesafe-computer-use

Uso de computador por cerca de $0,0002 por etapa: digitalize a tela, classifique a próxima ação com o TypeSafe, clique. macOS.

typesafe-computer-use
Agents & browsersEnglish

Source-linked curation

GhalebDweikat

winnow

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

winnow
Agents & browsersEnglish

Source-linked curation

wy-coliney

jev-browser-use

5–10x faster browser operations: Jev clicks, Codex thinks and verifies. Built at EZCollegeApp.

jev-browser-use
Agents & browsersEnglish

Source-linked curation

Brainwires

jevwire

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

jevwire
Agents & browsersEnglish

Source-linked curation

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
Agents & browsersEnglish

Source-linked curation

Kush Bhuwalka

Jev Sift

A developer project for agent classification and selective reading using an agent plugin and MCP tool.

Jev Sift
Agents & browsersEnglish

Source-linked curation

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
Agents & browsersEnglish

Source-linked curation

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
Agents & browsersEnglish

Source-linked curation

simota

tenbin

MCP server and agent skill for the TypeSafe AI System One API (Jev): decompose a judgment into Choice / Score / Noul questions, lint them, measure on labelled data, and put calibrated thresholds in code.

tenbin
Agents & browsersEnglish

Source-linked curation

Dicklesworthstone

skillranker

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.

skillranker
Agents & browsersEnglish

Source-linked curation

kitze

unclutter

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

unclutter
Agents & browsersEnglish

Source-linked curation

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
Agents & browsersEnglish

Source-linked curation

madeye

pi-jev

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

pi-jev
Agents & browsersEnglish

Source-linked curation

Instructa

switchloom

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

switchloom
Agents & browsersEnglish

Source-linked curation

tyler-dot-earth

patdown

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

patdown
Agents & browsersEnglish

Source-linked curation

tamaratran

jev-pruner

Claude Code plugin: trim long Bash output with TypeSafe Jev before the model sees it.

jev-pruner
Agents & browsersEnglish

Source-linked curation

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
Agents & browsersEnglish

Source-linked curation

Pedro Knigge

mcp_jev

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

mcp_jev
Agents & browsersEnglish

Source-linked curation

Mandrilsquad1441

jev-model-router (Mandrilsquad1441)

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.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

Tony Powell

jev-oxlint

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

jev-oxlint
Agents & browsersEnglish

Source-linked curation

mblode

taste-lint

CLI that uses Jev to catch AI slop in UI, copy, and agent instructions before ship (probabilities on semantic taste checks).

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

rashedInt32

jev-mcp (rashedInt32)

MCP server exposing TypeSafe Jev as typed, calibrated judgment tools: classify, score, check, batched ask. Ships as a Claude Code plugin.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

realZachi

typesafe-adblock

🧹 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.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

vinilana

jev-browser (vinilana)

Hybrid browser harness: an LLM turns goals into verifiable subgoals, Jev chooses each action and DOM field, Playwright acts.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

AstroHan

jev-harness

A developer project where Jev filters tool results before model processing, aiming to improve efficiency in agent systems.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

anpicasso

hermes-jev-approvals

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.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

samdotmak

jev-recall

Retrieve by relevance, not resemblance: filter an AI assistant's memories with TypeSafe's Jev.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

win4r

jev-skill-suggester

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.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

Niaz Morshed

jcr

A developer project that converts vague agent requests into deterministic commands for improved reliability.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

BeLazy167

typesafe-mod

Claude Code mod that routes decisions to TypeSafe's Jev model: ranks installed skills per prompt, and answers the agent's own this-or-that questions when confident.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

Icohen007

jev-play-ping-pong

Jev plays browser table tennis in real time: structured telemetry, typed decisions, ordinary Chrome inputs, and auditable evidence.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

eriestra

browser-use-olympics

Browser Use Olympics by Almond: one prompt, five events, one clock. Plus fast loop, a ~200-line browser computer-use agent (Chrome DevTools + TypeSafe Jev).

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

raihankhan-rk

diffjury

DiffJury — TypeSafe Jev PR risk router + code review coach.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

DECRUX9812

typesafe-skill-router

TypeSafe (Jev) skill routing for Hermes Agent: names the one skill worth loading, before the model call. Opt-in, stdlib only, ~$0.001 per routed turn.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

Skyvern-AI

jevscape

RuneBench harness for TypeSafe's Jev: bounded action catalog, tick-mode controller and a live dashboard.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

moezubair

check-risk

A CLI and GitHub Action that assesses code-change risk using deterministic rules and TypeSafe Jev, recommending checks and reviewers before merge.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

Jackalope-Dev

Jackalope

Desktop GUI for agentic coding that routes tasks across local agents and accounts, with Jev picking the best agent per task, running basic code-review checks, and supplying context.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

wundercorp

Loki

Self-improving agent harness with an optional TypeSafe Jev companion for typed Choice, Score, and Noul judgments.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

omni-

ask-jev

Utilizing Jev, the RLCD-type model provided by TypeSafe AI, to independently and cheaply judge agentic coding sessions.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

nexibeo

jev-organize

Throw in a pile of company files and get them classified and organized by department, type, sensitivity, date, counterparty and PII, with an index for AI agents. Powered by TypeSafe's Jev on OpenRouter (17¢ per 1,000 files). Zero-dependency Node CLI + Claude skill + Codex agent.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

vnmoorthy

siege

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.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

AbdelStark

bicameral

Hybrid coding harness: System 2 writes, System 1 (Jev) runs reflexes.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

rashedInt32

jev-reach

Chrome-devtools-mcp plus one tool: Jev walks the browser to the right spot, then your agent makes a single devtools call there.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

ranjan2829

AskJev

AskJev — Jev autopilot for any website + guard on irreversible clicks (TypeSafe System One, not Claude).

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

nexibeo

jev-cookbook

Practical, tested recipes for TypeSafe's Jev decision model on OpenRouter: support triage, database indexing, file organizing, tagging, taxonomies, dedupe, PII detection, extraction, search re-ranking and a browser agent.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

ShivamPansuriya

jev-skill-gate

Cut Claude Code's skill manifest by ~75% with TypeSafe Jev. Scores every installed skill for relevance and hides the rest via skillOverrides — 12,750 → 3,185 tokens on a 217-skill install, for $0.0009 a session.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

zhangxaochen

dsh-jev

Jev (System One decision model) plugin suite for DeepSeek Harness (dsh).

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation

inanna-malick

jev-dsl

Agent-first Haskell DSL for TypeSafe's Jev judgment model: typed packets, inferred types, answers under the same labels.

JEVLAB decorative pixel illustration; not source mediaJEVLAB ART
Agents & browsersEnglish

Source-linked curation