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Open-source apps, extensions, tools and libraries made by the Jev community. Download free ones instantly.

All items

122

Everything in the store, from apps and extensions to tools and templates, newest first.

Ollaya

Free

Ollama for decision models: pulls and serves Laya, Decider, NLI and GLiClass locally, behind a TypeSafe-compatible API so existing Jev clients work by changing one environment variable.

CLIDeveloper Tools

ThoughtDAG

Free

An infinite canvas that turns LLM conversations into an editable thought graph, now using Jev to pick which past excerpts actually carry forward as context.

AppProductivity

mergeCraft

Free

A bring-your-own-key AI PR reviewer that runs as a GitHub Action, combining deterministic analysis with model reasoning and a Jev-driven behaviour check before it lets a merge through.

CLIDeveloper Tools

Swenai x Nansen

Free

Trading agent that reads Nansen's on-chain whale flow and lets Jev veto a Hyperliquid trade whenever smart money is on the other side of it.

AppAgents and Routing

sttp-ai: jev module

Free

A type-safe Scala client for Jev, added as a new module to sttp-ai, SoftwareMill's existing Scala toolkit for OpenAI, Claude and Gemini.

LibraryDeveloper Tools

tocsin

Free

Collapses a raw log stream into patterns, asks Jev about each pattern once, and routes it to page, ticket, or log using a paging policy you write in plain English.

CLIDeveloper Tools

Doom or Bloom

Free

A short, Jev-driven interview that maps your AI worldview on a doom-to-bloom scale and shows how it compares to public figures like Sam Altman and Elon Musk.

AppSocial and Content

jev

Free

An unofficial, provider-neutral Unix CLI for Jev, written in Go, that pipes state into one question at a time and prints the typed answer as JSON.

CLIDeveloper Tools

Treg

Free

OpenRouter for agent tools, with a Jev-powered people search that finds and verifies leads for under a cent each.

AppData and Search3.4k stars275 forks

jev-seo

Free

A live SEO audit tool that judges any website from a single homepage URL using Jev, and exports the findings as PDF, XLSX or Markdown.

AppData and Search

JevBench

Free

An open benchmark suite for Jev-class typed decision models, scoring how smart, cheap, fast, reliable and open each one is.

CLIDeveloper Tools

Jev Chat Assistant for Windows

Free

A Windows desktop chat assistant that reads incoming WeChat messages, judges intent with Jev, and suggests a DeepSeek-written reply.

AppProductivity

Jevry

Free

An open-source desktop browser built around Jev: a language model plans, Jev turns the plan into a structured decision, and Chromium carries it out.

AppBrowser Extensions

Laya vs Jev

Free

A local MLX model and a hosted Jev call play T-Rex Runner side by side, with live metrics and replay recording, so you can watch the two decision styles compete directly.

AppGames and Fun

Jevmind

Free

Pulls an agent's decisions out of its prose into one typed place, with a confidence score, a code-written gate, a ledger and grading, falling back to Jev only when a rule can't answer.

LibraryAgents and Routing

Jev X Sentiment Analysis

Free

A crypto market intelligence terminal that reads up to 1,000 tweets about a coin and has Jev turn the market data and sentiment into a buy, sell, hold or take-profit decision card.

AppData and Search

jevort

Free

A pi agent extension that asks Jev to pick the right reasoning effort for each turn, per prompt and context, instead of running every turn at a fixed effort level.

ExtensionAgents and Routing

Jevrail

Free

A pre-execution guard that sits between a terminal coding agent and your shell, asking Jev how likely a command is to destroy something before it runs.

CLIDeveloper Tools

Jev Safety Gate

Free

A safety layer that asks Jev five typed questions about a proposed agent action, then lets plain code decide to allow it, block it, or hand it to a human.

LibraryAgents and Routing

JevT++

Free

A C++20 library that turns application context straight into typed enums, boolean decisions and scores, with a local or remote Jev-style backend behind one API.

LibraryDeveloper Tools

AnyJev

Free

Turns any open-weight LLM into a Jev-style decision model, reading typed choices and calibrated probabilities straight from its logits or hidden states.

LibraryDeveloper Tools

pg-jev

Free

A Postgres extension that lets you ask your tables questions in plain language.

LibraryData and Search357 stars21 forks

Foreman

Free

A fast Jev supervisor that watches your coding agents and decides when a job is really done.

CLIAgents and Routing566 stars43 forks

pi-jev (semantic routing)

Free

Semantic tool routing, skill discovery and typed Jev decisions for the Pi coding agent.

LibraryDeveloper Tools50 stars8 forks

jev-axi

Free

A second opinion for coding agents in half a second: a Jev command-line tool that can check every command first.

CLIDeveloper Tools21 stars3 forks

Jev Runway

Free

Fewer tokens, more runway: a local proxy that trims stale tool output from long Codex sessions.

CLIDeveloper Tools2 stars

Jev for Apple Foundation Models

Free

A native Swift bridge that lets Swift apps use Jev through Apple's Foundation Models framework.

LibraryDeveloper Tools46 stars1 forks

Jev for Home Assistant

Free

Ask your house a question and get a number back you can automate on.

LibraryProductivity65 stars4 forks

Astra + Jev Harness

Free

Agent skills and a coding harness where Jev picks the relevant files, so your coding model only reads what matters.

LibraryDeveloper Tools1 stars

perch

Free

A code linter that catches logic mistakes by meaning, with rules you write in plain English.

CLIDeveloper Tools179 stars14 forks

fastbrowse

Free

A browser agent that picks its next click from what is really on the page, and backs every answer with a quote.

LibraryAgents and Routing102 stars12 forks

VexJoy Agent

Free

A large toolkit of agents and skills for coding assistants, with a Jev-powered router that picks the right one for each request.

TemplateAgents and Routing425 stars46 forks

JevRev

Free

A decision layer that sits beside your coding agent, shortlisting plans and checking progress in a loop.

CLIAgents and Routing304 stars12 forks

Jev Browser

Free

Fast, very cheap browser automation: give it a task and a web address, and Jev drives a real browser.

LibraryAgents and Routing268 stars22 forks

Jev MCP

Free

Ten ready-made Jev judgment tools for any agent: verify, screen, find, rerank, classify, decide and more.

LibraryDeveloper Tools346 stars35 forks

Jev Chat Assistant

Free

An Android copilot for any chat app: it reads the conversation, suggests replies, and you decide whether to send.

AppSocial and Content6.5k stars1.1k forks

jev-cli

Free

A small command-line tool and MCP server for asking Jev typed questions from scripts and agents.

CLIDeveloper Tools14 stars12 release downloads

jsort

Free

sort, but the key is a description: order lines along any plain-English dimension with Jev.

CLIDeveloper Tools23 stars

jgrep

Free

grep, but the pattern is a description: filter lines of text by meaning with Jev.

CLIDeveloper Tools100 stars2 forks2 release downloads

CodexQA Jev Browser

Free

Browser testing for coding agents without screenshots: Jev picks controls from an index of the page.

LibraryDeveloper Tools102 stars5 forks

jevals (Openlayer)

Free

Agent evals and guardrails as Jev decisions: one cheap, fast request per trace instead of a language-model judge.

LibraryDeveloper Tools86 stars4 forks

go-jev

Free

A Go library for Jev, plus a command-line tool for asking it questions inside Unix pipelines.

LibraryDeveloper Tools27 stars4 release downloads

jevelry

Free

Ask Jev everyday questions from your code or coding agent with one command, and keep a record of every answer.

CLIDeveloper Tools6 stars

jeveloper

Free

Gives Claude Code quick reflexes: Jev scores the possible next steps and hands back the best one.

LibraryDeveloper Tools0 stars

Jev Inbox for Gmail

Free

Puts the unread emails that matter at the top of Gmail and labels them by what they are about.

ExtensionBrowser Extensions3 stars

Astra-Ares

Free

Lets Jev turn Codex's thinking effort up or down mid-task, so easy steps stop burning tokens.

CLIAgents and Routing273 stars20 forks

webctl

Free

A web search tool for AI agents that has Jev keep only the results that matter, saving a lot of tokens.

CLIData and Search143 stars15 forks102 release downloads

jev-pruner

Free

Trims long command output with Jev before Claude Code reads it, so later turns carry less noise.

LibraryDeveloper Tools148 stars9 forks

jev-gateway

Free

A local gateway that lets Jev pick which tool your coding agent calls next, and leaves everything else alone.

CLIDeveloper Tools225 stars32 forks

Jev Browser Use

Free

A browser skill for Codex where Jev does the clicking and Codex does the thinking and checking.

LibraryAgents and Routing518 stars32 forks

Agent Desktop

Free

Reliable computer use for any agent, with a Jev mode that drives a desktop app from one plain-language goal.

CLIAgents and Routing1.7k stars115 forks7.4k release downloads

Hermes Jev Skills

Free

A fast, cheap second brain for your agent's small decisions, built for Hermes and also usable in Claude Code.

LibraryAgents and Routing821 stars77 forks92 release downloads

Typesafe MCP

Free

Gives Claude Code, Claude Desktop, Codex and pi direct access to Jev for quick judgment calls.

CLIDeveloper Tools303 stars33 forks4.9k release downloads

Veil

Free

A Chrome extension that hides X replies matching a rule you write in plain English.

ExtensionBrowser Extensions0 stars

jevyoumean

Free

Did-you-mean suggestions for any command-line tool, matched by meaning rather than spelling.

CLIDeveloper Tools16 stars

jev-rankkit

Free

A Python library for reranking search, RAG and agent results.

LibraryDeveloper Tools1 stars

Looper

Free

An early open-source harness that uses Jev to choose context and route work for coding agents.

TemplateAgents and Routing0 stars

llm-typesafe

Free

A plugin that lets you ask Jev yes-or-no, pick-one and score questions from Simon Willison's LLM command-line tool.

LibraryDeveloper Tools15 stars2 forks

Jev Moderation Bot

Free

A Discord bot that catches spam and scam links as they arrive, judged by Jev instead of keyword filters.

AppSocial and Content48 stars5 forks

jev-rules

Free

Jev picks which of your standing rules apply to each prompt, so Claude Code only sees the ones that matter.

LibraryDeveloper Tools49 stars6 forks2 release downloads

jev-browser (LLM plans, Jev decides)

Free

Browser automation where Claude says what it wants and Jev picks the element, the action and the value.

LibraryAgents and Routing88 stars13 forks

Jev for Elixir

Free

Use Jev from Elixir as if it were another process: ask from a GenServer, pattern match on the answer.

LibraryDeveloper Tools33 stars5 forks

Jev Ad Blocker

Free

An open-source Chrome ad blocker with no filter lists: Jev looks at each suspicious element and decides.

ExtensionBrowser Extensions2 stars

Slop Guard

Free

Blurs low-effort AI slop on X and LinkedIn as you scroll, with Jev scoring every post.

ExtensionBrowser Extensions3 stars

pi-jev

Free

Adds Jev to the Pi coding agent as a safety gate and a quick second opinion.

LibraryDeveloper Tools147 stars11 forks

jev-drone

Free

A simulated drone that flies an obstacle course using only its camera, with Jev deciding what each moment means.

AppGames and Fun195 stars26 forks

Jev Codex Router

Free

Picks the model and thinking effort for every Codex call, so easy steps stop using your biggest model.

CLIAgents and Routing273 stars35 forks

Shapeshift

Free

One text box that turns into the right UI as you type: an event card, a checklist, a timer, a poll and more.

AppProductivity618 stars59 forks

EmbodiedJev

Free

A MuJoCo robot decision workbench you run in your own browser, comparing Jev against local and cloud models on real physics tasks with no robot arm required.

AppAgents and Routing

Jimothy

Free

Turn your Jev usage into small, very fast classifiers that run locally in Node.js or the browser.

CLIDeveloper Tools74 stars3 forks

Jevify

Free

An agent skill that teaches your coding agent when to hand quick judgments to Jev, and where Jev could help your product.

TemplateDeveloper Tools33 stars2 forks

oxlint-plugin-jev

Free

Oxlint rules written in plain English and answered by Jev.

LibraryDeveloper Tools63 stars2 forks

Live Jev

Free

Control Ableton Live with one short sentence, typed or spoken, in English or Japanese.

AppProductivity43 stars3 forks

jev-leftpad

Free

Left-pad a string with Jev. Could it be one line of code? Yes. Does it need a model? No. Anyway.

LibraryGames and Fun85 stars5 forks

jev-use

Free

Say it, and your Mac does it: voice and typed computer use with Jev picking every on-screen action.

AppAgents and Routing97 stars17 forks

DocJev

Free

Sort documents into categories and split bundled PDFs into their parts, using Jev and rules you write in plain English.

LibraryData and Search446 stars32 forks

JevRouter

Free

One quick Jev decision on which model, subagent, skill or tool should handle an agent's next step.

LibraryAgents and Routing226 stars17 forks

Voice Browser

Free

Talk to a real browser and it acts before you finish the sentence.

AppAgents and Routing291 stars43 forks

jev-mcp

Free

An MCP server that puts Jev into the coding loop in Cursor, Codex and other agents.

LibraryDeveloper Tools55 stars8 forks

Albatross

Free

An open-source, terminal-first AI coding agent with Jev Mode for routing requests.

CLIAgents and Routing234 stars24 forks2.3k release downloads

Agent Router

Free

A command-line tool that picks the right coding agent, model and effort for each task, then launches it.

CLIAgents and Routing81 stars7 forks

pi-jev-skill-picker

Free

Keep the skills list out of every Pi request and let Jev pick the skills each task needs.

LibraryDeveloper Tools33 stars4 forks

JevArena

Free

Test Jev against another AI judge on real questions, and vote before you see who answered.

AppLearning4 stars

JevGraph

Free

Turn documents into knowledge graphs where every relationship is a Jev decision backed by evidence.

LibraryData and Search24 stars4 forks

JCR · Jev Capability Resolver

Free

One tool that lets an agent find the commands it needs, with Jev searching a tree of capabilities on its behalf.

LibraryAgents and Routing20 stars1 forks

Jev Explained

Free

Learn how Jev makes decisions by running it, in an interactive playground with four real examples.

TemplateLearning31 stars5 forks

Jev Arena

Free

Run the same batch of comments through Jev and another model side by side, and compare speed, cost and labels.

AppLearning103 stars9 forks

Jev Chess

Free

Watch Jev play chess against language models or Stockfish, or play it yourself, with no key needed.

AppGames and Fun5 stars1 forks

tax-doc-classifier

Free

Identifies which of 261 IRS forms each page of a tax document is, for about a tenth of a cent per page.

LibraryData and Search454 stars61 forks

Jev × WebMCP

Free

A Chrome extension that turns what you type into the right action on any site that supports WebMCP.

ExtensionBrowser Extensions116 stars7 forks

jev-align

Free

Teach Jev what good and bad look like for your app by labelling a handful of examples.

CLIDeveloper Tools288 stars23 forks

jev (shell command)

Free

Typed decisions from the command line: jev yes, jev pick and jev score, each with a calibrated probability.

CLIDeveloper Tools10 stars1 forks1.5k release downloads

jevMail (Gmail auto-labels)

Free

Turn an overloaded Gmail inbox into a small set of useful labels, sorted by meaning with Jev.

AppProductivity19 stars3 forks

Jev Reviewer

Free

Pull the facts a systematic review needs out of research papers, each one as an exact quote you can check.

AppData and Search35 stars6 forks

jev-paint

Free

Use Jev to make art: every cell's colour probabilities become a painting.

AppGames and Fun58 stars6 forks

Jevmail

Free

Open-source, read-only Gmail triage that shows you only the mail that needs a reply.

AppProductivity76 stars3 forks

jev-router

Free

Sends easy turns to a fast model and hard ones to a strong model in Claude Code and Codex, automatically.

CLIAgents and Routing412 stars45 forks

jev-skip

Free

Skips YouTube sponsor reads by reading the captions, with no waiting for someone else to mark them.

ExtensionBrowser Extensions5 stars

Stanley

Free

A command-line coding helper that learns new workflows over time, with Jev choosing which one to run.

CLIAgents and Routing115 stars6 forks

winnow

Free

A Claude Code plugin that hides the parts of big tool results you do not need, and brings them back on request.

LibraryDeveloper Tools87 stars9 forks

Tab Bouncer

Free

A browser extension that closes the tabs you are not using, judged in one call.

ExtensionBrowser Extensions5 stars

pi-fast-jev-compaction

Free

Fast Jev compaction for the Pi coding agent: prune stale tool history, keep every word of the conversation.

LibraryDeveloper Tools12 stars2 forks

Sniff Test

Free

A prose linter that sniffs out AI writing tells, with Jev judging the rules that need reading rather than counting.

CLISocial and Content31 stars1 forks

ruby_decision_model

Free

A Ruby gem for asking Jev and other decision models typed questions, with no dependencies beyond the standard library.

LibraryDeveloper Tools51 stars3 forks

Jevthoven

Free

Describe a piece of music in one sentence and Jev composes it, one decision at a time.

AppGames and Fun15 stars3 forks

jevals

Free

A local workbench for testing your Jev questions against examples with known answers.

AppDeveloper Tools1 stars

Jev Chat

Free

A chat bar that calls real tools without a language model writing a single word, so it cannot invent a fact.

AppProductivity96 stars21 forks

Unclutter

Free

A smart ad and clutter blocker: Jev spots the junk on a page and the extension clears it away.

ExtensionBrowser Extensions276 stars28 forks

neo4jev

Free

Jev finds its way through a Neo4j graph one hop at a time, with an interactive view of the path it took.

TemplateData and Search135 stars17 forks

hono-jev-router

Free

Route web requests by meaning instead of by path, in the Hono framework.

LibraryDeveloper Tools51 stars2 forks

fast-jev-compaction

Free

Instant context compaction for Claude Code that keeps what matters word for word.

LibraryDeveloper Tools6.8k stars413 forks

Jev Ultrafast

Free

A browser agent that works through a web page in seconds, with Jev choosing every step.

LibraryAgents and Routing20.2k stars1.4k forks

askjev skill for Hermes

Free

A small skill that lets the Hermes agent, and others like it, ask Jev to settle a decision.

TemplateAgents and Routing40 stars1 forks

JevGPT

Free

A chatbot built on a model that cannot write, one multiple-choice word at a time.

AppGames and Fun29 stars2 forks

Jevmeter

Free

Put a live BS meter on any video: Jev scores every sentence and it is drawn onto a widescreen edit.

CLISocial and Content85 stars7 forks

Jev Review (MCP)

Free

Continuous quality scores for code written by AI agents, from a local MCP plugin powered by Jev.

LibraryDeveloper Tools224 stars20 forks

Mobile Jev

Free

A phone agent that takes one goal and works a real Android app to reach it, with Jev making every decision.

AppAgents and Routing395 stars49 forks

jev-trader

Free

A trading bot that asks Jev to call buy or sell every 300 milliseconds, with a dry-run mode that risks nothing.

AppAgents and Routing2.4k stars456 forks

Jev Review

Free

A code-review workflow that uses Jev for quick judgments and shows its findings in a calm local dashboard.

CLIDeveloper Tools612 stars39 forks

Jev plays StarCraft

Free

Jev controls the original StarCraft shareware with real mouse clicks and hotkeys.

AppGames and Fun26 stars2 forks2.3k release downloads

SemDecide

Free

grep for meaning: a command-line tool that answers plain-English yes or no questions about text.

CLIDeveloper Tools62 stars8 forks160 release downloads