Jev Runway, a local proxy for Codex that asks Jev which old tool output a long session still needs and trims the rest before each request.
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What people are building and saying about Jev, found on X and summed up in our own words. Every card links to the original post.
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A coding harness and agent skills for Codex and Claude Code where Jev narrows a big repository to the files that matter before the model writes code.
jevelry, an open-source tool that lets your code and coding agent ask Jev small everyday questions and keeps a record of every decision.
Jev Inbox, a Chrome extension that moves the Gmail messages that really matter to the top and labels each one by topic.
People search and lead enrichment for agents at under a cent a lead, with Jev picking which companies fit before Treg finds and verifies the contacts.
jev-rules, a Claude Code plugin where Jev picks which of your standing rules apply to each prompt, so Claude only sees the ones that matter.
jgrep and jsort, command-line tools that filter and sort lines of text by meaning with Jev, from a plain-English description.
jev-axi, a command-line tool that wraps useful Jev patterns for coding agents and people, including a guard that checks commands before they run.
jevals from Openlayer: agent evals and guardrails written once as Jev questions, replacing slower and costlier language-model judges.
A Go library for calling Jev, with a command-line tool that brings yes-or-no, pick-one and score questions into Unix pipelines.
jeveloper, a reflex layer for Claude Code: Claude suggests possible next steps, Jev scores them, and the best one comes back as the thing to do next.
Veil, a Chrome extension that hides X replies matching a rule you write in plain English, with a threshold you control.
A command-line router that picks the right coding agent, model and effort level for each task, shipped as a Herdr plugin.
Convoy, a web product the maker says runs on Jev.
A Chrome extension that quietly labels posts on X as opinion, engagement bait and so on while you scroll.
A GitHub collection of small Jev examples, shown running in a sped-up demo.
jev-rankkit, a Python library for reranking search, RAG and agent results with word matching, meaning matching and Jev.
Whistle, a Mac app that recognises whistled pitch and rhythm to launch apps and run shortcuts. Write-up in Japanese.
A command-line tool that sorts an artist's whole discography by theme, mood and lyrical complexity and shows it as a terminal dashboard.
Albatross 2.5 adds Jev Mode to its open-source terminal coding agent: Jev reads your request first and decides whether it can answer directly.
Find anything inside a PDF by asking in plain language.
A Chrome extension that reads your X feed, flags the posts worth replying to, and jumps to the next one with a single key.
A Minecraft-style world for AI agents, where Jev helps each agent decide what to work on next.
A playful experiment asking Jev whether numbers are prime and plotting the first 10,000 as a spiral.
A search for a Hot Wheels collection that reads your query as intent, make and colour and scores every car on how well it fits.
roastMypr, a Chrome extension that reads a pull request and drafts a playful roast with a GIF for you to post yourself.
Looper, an early open-source harness that uses Jev to choose context and route work for coding agents.
JevPong, a real-time Pong game where Jev controls the other paddle, with a leaderboard.
Jev Paints: at every step Jev picks a brush, a colour and where to put it, working from a grid description of the canvas.
jeval, an evaluator that asks Jev for a direct score instead of prompting another model to rate answers from 1 to 10.
A reproducible benchmark comparing Jev against 11 classic machine learning approaches, with a write-up and an interactive results page.
A worked example of a voice analytics pipeline that combines speech-to-text, Jev and SQL.
A study of whether Jev can roll a fair die, and what its answer choices reveal about how it was trained.
The opening of a full video tutorial on how to use Jev.
Uses Jev inside GitHub Actions to decide release versions from issues, pull requests and commits. Post in Japanese.
Sniff Test, a prose linter that flags AI writing tells, with simple counted rules run locally and Jev judging the ones that need reading.
An ad blocker for Chrome with no filter lists: Jev looks at each suspicious element and decides, and ads crumble away on screen.
An open-source Chrome extension that has Jev score every X and LinkedIn post for slop as you scroll, and blurs the ones over your threshold.
A single text box that reshapes itself into the right interface as you type: an event card, a checklist, a timer, a poll.
Auto-tagging for saved Valorant esports round notes, then plain-English search that pulls the exact rounds you ask for.
qc-use: write your app's critical path in plain English and it clicks through it in a real Chrome browser, proving each step.
Discern: paste a suspicious message and get a quick, evidence-based risk check before you trust, click or pay.
s1m, a command-line tool that lets agents pull the right notes out of a large LLM wiki, far cheaper and faster than a frontier model.
matchcn: describe the interface you need and it finds the closest shadcn-style component across nine registries, with the install command.
A tool that helps a group reach agreement in real time, with a flowchart view of how the decision was made.
An interactive Magic 8 Ball that answers your questions.
jevyoumean: a wrapper that suggests the command you meant when you mistype one, matching by meaning rather than spelling.
Should I Work There, a site in progress that helps you size up a company before joining.
Finds online conversations about your product that match the goals you set.
A little agent that reads its surroundings and finds its own way through a maze to the flag.
OnPurpose, a YouTube extension that reminds you what you came to watch before you drift into unrelated videos.
A video walking through three small apps built with Jev, explaining what a model that decides rather than writes is good for.
Simon Willison's notes on Jev and the new category of decision models, alongside his llm-typesafe plugin for trying it from the command line.
Jimothy turns your saved Jev answers into tiny task-specific classifiers that run 10 to 20 times faster, on a server or in the browser, with Jev as the fallback.
Jev playing Clash Royale on a real tablet: computer vision turns each frame into game data and Jev picks the strategy, reporting a 98% win rate at about 500 trophies.
jev-leftpad, a tongue-in-cheek npm package that pads a string on the left by asking Jev to do it.
A Swift package that brings Jev into Apple's Foundation Models framework, so Swift apps can get typed decisions straight into their own types.
A ready-to-use Grok bot template that pairs Grok with Jev, so agents get a fast classifier with honest confidence scores.
A live dashboard that sorts about 50 events a second, highlights what matters and suggests the next best action.
Enter a product's web address and get its features, audience, messaging and pricing written out as markdown notes.
Ask Jevs, a playful take on the old Ask Jeeves search engine.
MotherDuck adds a SQL function for sorting text with Jev and shares how its speed and cost compare with a frontier model on 100,000 rows.
Slop Buster for X, a Chrome extension that filters low-quality posts out of your timeline.
Natural-language search over 11,000 Azerbaijani names, ranking matches for descriptions like flower-related and not too popular in about half a second.
JevvieScout watches posts and tells you who is worth messaging, based on your goal.
Rumorville: whisper a rumor to one of 12 villagers and watch it spread through the town.
A visual guide explaining how Jev works, itself built with Jev.
A Pi extension that removes the skills list from the system prompt and gives the agent one tool that lets Jev pick the skills a task needs.
JevArena, an open-source arena for testing Jev against other AI judges: ask a question, pick the answers and an opponent, and vote before the results are revealed.
JevGraph, an open-source pipeline that turns documents into knowledge graphs where every link is chosen by Jev and backed by evidence from the page.
pi-jev 0.5, a Jev extension for the Pi coding agent that routes tools by meaning and adds a guard against made-up file paths and flags.
JCR, a resolver where Jev searches a tree of documented commands and hands the agent only the context it needs, instead of reading through skill files.
A tongue-in-cheek isEven and isOdd for JavaScript that asks Jev through the AI SDK, published on npm as jev-even-odd.
A Minecraft agent where a planner model sets goals and Jev handles the controls, beating the Ender Dragon in under nine minutes for less than a dollar.
Jev Explained, an interactive playground with four worked examples that teach how Jev's yes-or-no, pick-one and score questions work.
DocJev, a fast open-source library that sorts documents into categories and splits bundled PDFs into their parts, using Jev and plain-English rules.
Sorted a month of Gmail, 150 emails into 9 folders, for a tiny fraction of a cent, without writing anything back to the inbox.
Type any text and it becomes a visual shader.
Tab Bouncer, a browser extension that judges all your open tabs in one call and closes the ones you are not using.
jevMail, an open-source Gmail classifier that uses Jev to label an overloaded inbox by meaning, with no backend run by the author.
Jev Model Router, a one-command Claude Code add-on where Jev picks the model and effort level for each request you send.
Jev Chess: watch Jev play chess against language models or the Stockfish engine, or take it on yourself, with every move it weighed shown on the board.
Live Jev: control Ableton Live with one short sentence, with Jev turning each command into the right action in about half a second.
Jevmail, open-source Gmail triage that sorted 1,000 emails in 76 seconds into needs reply, updates, promos, sales and spam using Jev.
A Home Assistant integration that turns questions you ask Jev about your house into sensors you can build automations on.
jev-align, an open-source command-line tool from Sutro for teaching Jev your own idea of good and bad by labelling a few tricky examples.
A set of skills that hands the Hermes agent's small decisions to Jev: which model to use, which memories and skills to load, and what to keep when compacting.
jev-skip, a Chrome extension that reads a YouTube video's captions and skips sponsor segments on its own, even on videos nobody has marked yet.
Stanley, a coding agent where Jev picks a fixed workflow for each request and the agent writes itself new workflows over time.
An inbox sorted live by importance instead of by date, heading to the Avec email app.
Ran the top 250 Hacker News stories through 2,000 quick judgments in 16 seconds for about a cent, and shares the results.
A single-file jev command for the shell: ask yes-or-no, pick-one or score questions and get calibrated probabilities back, plus an agent skill.
jev-cli, a small dependency-free command-line tool and MCP server for asking Jev typed questions from shell scripts and agents.
The fast Jev compaction idea brought to the Pi coding agent: Jev prunes stale tool history while the conversation text stays word for word.
Jev tested as a real-time robot arm controller in MuJoCo, split into two calls per update: what to do next, then how to move the arm and gripper.
A Ruby gem for decision models like Jev, with one client that talks to OpenRouter or TypeSafe's own API.
JevForm, a form that uses Jev to decide which question to ask next, replacing piles of hand-written if-then branching.
Jev Reviewer, a tool for systematic reviewers that finds the facts they need in research papers and returns each one as an exact quote with its location.
Jev as an Oxlint plugin: write lint rules as plain-English yes-or-no questions about your code, and Jev answers them.
A Mac app that watches the Downloads folder and uses Jev alone to apply your rules, like spotting an invoice and filing it with the right name.
Jev as a painter: it predicts how likely each colour is for every cell of a grid, and those probabilities are turned into paintings.
jevals, a local workbench for testing Jev questions against examples with known answers and seeing whether results improve over time.
jev-pruner, a Claude Code plugin that has Jev cut noisy shell output down before the main model reads it, to save tokens without summarising.
A router for the Hono web framework that sends each request by what it means, like "a request from an AI agent", rather than by its path.
jev-gateway, a local gateway that lets Codex, Claude Code and OpenCode hand the choice of which tool to call to Jev instead of the expensive model.
A code linter whose rules are plain-English sentences like "swallows errors", with Jev checking every function against all of them at once.
A small code-review bot built with Jev within hours of getting access, which scans a diff or a whole codebase and shows findings in a local dashboard.
An experiment pairing Vercel's json-render with Jev, so generative UI is built from your own components and appears in milliseconds.
A real-time Discord moderation bot that uses Jev instead of regex filters to catch spam and scam links, with warnings that escalate to timeouts.
A browser tool where a language model plans each step and Jev decides the clicks, pitched as a cheap, steady layer for automated testing.
A skill that lets the Hermes agent ask Jev whenever it needs a quick decision, which Hermes added to itself when asked.
A Falcon 9-class rocket flown from launch to booster landing with every decision made by Jev: no autopilot and no scripted path.
JevGPT, a playful chatbot that makes Jev write anyway, by asking it to pick the next word from a dictionary again and again.
Jevify, an agent skill that finds the places in any codebase where Jev can replace a slower, costlier language-model call.
Jevthoven, a music studio where Jev composes a whole song one decision at a time: tempo, instruments, chords and rhythm.
A small Elixir client that treats Jev like another process: your GenServer asks it questions and pattern matches on the answers.
An open-source live BS meter for any video: Jev scores every sentence of a debate, interview or podcast and the result is drawn onto the video.
Computer use for the Mac driven by Jev: macOS lists every control on screen, Jev picks one, and the Mac clicks or types, far faster than a chat model.
A chat bot built on Jev with no language model at all, hooked up to web search, Wikipedia, weather and Todoist, so answers are instant and cannot be made up.
Unclutter, a browser extension that uses Jev to spot and remove ads, cookie banners, upsells and other clutter from any page.
An experimental MCP plugin that gives coding agents running quality scores from Jev while they work, all from your own machine.
A voice-controlled browser that starts acting while you are still talking, because Jev reads each partial sentence in about a third of a second.
Jev Browser: give an agent a task and a web address, and Jev picks each click, typed field and choice in a real browser until the job is done.
An MCP server that lets any agent call on Jev for quick decisions, with tools for checking claims, screening content, ranking and classifying.
An open-source router that has Jev pick the cheapest model able to handle each turn in Claude Code and Codex, to cut token spend.
Jev-desktop, a computer-use agent that reads a desktop app's real controls and lets Jev pick each click and keystroke toward a plain-language goal.
Jev Plays Minecraft, a round-the-clock livestream where Jev makes every move while trying to beat the Ender Dragon.
A Claude Code plugin that compacts long sessions by having Jev decide which old tool calls to drop, instead of writing a lossy summary.
Jev Ultrafast, a small open-source browser agent from Browser Use where Jev picks each click and a small model only writes the text to type.
pg-jev, a Postgres extension that searches a whole database in plain English with one function, with no index and no embeddings.
Jev playing the original 1998 StarCraft in the browser: it reads the game state, picks each command, and won a mission for about 40 cents.
A trading bot where Jev looks at a live order book and decides buy or sell on every block, open-sourced with a live dashboard.