Jev directory
Jev Cookbooks
110 curated Jev entries. Official, runnable Jev recipes that show what decision models are good at, each with its own datasets, latencies, and numbers.
By format
110- Docs23
- Repos & sites53
- Videos8
- Posts10
- Playgrounds16
Updated
All 110 Jev Cookbooks
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Showing 97–110 of 110 resources
A camera-only MuJoCo quadrotor that uses Jev for tactical maneuvers at 2.5 Hz while classical perception and a 50 Hz reflex layer keep safety outside Jev, clearing a five-station course.
Jev Cookbooks#community#python#robotics
Community
RomanSlack/jev-dronePython
RomanSlack/jev-dronePythonA video demo of a bot that asks Jev to decide buy or sell from a live price feed, then places real orders on Kuru's on-chain order book on Monad every 300ms block.
Jev CookbooksVideo#community#x#video
Community
vogel ran Jev over 1,500 of his own emails to test classification quality and posted the results as a video, calling it the most impressive model he has tried for the task.
Jev CookbooksVideo#community#x#video
Community
Kyle Jeong's demo of browser use with Jev and Stagehand: the accessibility tree is the state, actions are the questions, and one remote-browser task cost $0.001 at near-instant speed.
Jev CookbooksVideo#community#x#video
Community
dax previews how fast browser use can be with Jev as the decision layer and OpenCode's browser-use CLI, quote-posting a demo video of the loop in action.
Jev CookbooksPost#community#x#browser
Community
Gojiberry's Romàn reports scoring 700 high-intent leads and personalized outreach messages in 40 seconds for $0.09, with confidence scores and lead-message mismatch detection.
Jev CookbooksVideo#community#x#video
Community
A 33-second demo clip captioned "when a designer gets access to Jev", among the most-liked organic Jev posts, showing a polished interface built on top of typed decisions.
Jev CookbooksVideo#community#x#video
Community
The jevmeter author runs five yes/no questions per sentence across a debate: 1,191 Jev calls, 1.18M tokens, 415 ms median latency, and $0.0497 for the full run.
Jev CookbooksVideo#community#x#video
Community
A 13-question regulatory briefing that shows batching every question into one call is 12.2x cheaper and 10x faster with no change in answers.
Jev CookbooksDocs#official#cookbook#batching
Official
One question per query-candidate pair raises top-1 accuracy from 5% to 18% and top-10 accuracy from 38% to 62% on 40 CLERC legal queries.
Jev CookbooksDocs#official#cookbook#reranking
Official
Screen every message going into and out of an LLM app: a Noul describes possible hazards, a Score rates severity, and code thresholds the probabilities.
Jev CookbooksDocs#official#cookbook#guardrails
Official
Classify documents through deep patent, retail product, biomedical, and source-code hierarchies using parallel beam search over Choice probabilities.
Jev CookbooksDocs#official#cookbook#classification
Official
Classify SEC annual reports into 75 industry groups with one Choice each, then read confidence to decide when to fall back to a broader division.
Jev CookbooksDocs#official#cookbook#classification
Official
A smart home assistant that uses TypeSafe to evaluate user requests, pick a tool, and fill its arguments from plain language.
Jev CookbooksDocs#official#demo#tool-calling
Official
Index of all 110 entries
- Fr0zencr4nE Jev Data
- Jev AI Course (0utKast)
- 10 Levels of Jev
- Jevify (investigation prompt)
- DIY Jev
- DSPy System One agent patterns
- Jev tutorial (Fastcampus)
- Jev Gtm Cookbook
- Jev Cookbook — jev-engineering
- Jev Samples
- system-one (ignitewala)
- Jev decision-model share pack (Chinese)
- code_2 — Fast decisions with Jev
- Gate Agent Tool Calls with Jev
- Cut LLM Cost with a Jev-Verified Cascade
- Document Review With Unsiloed and TypeSafe Jev
- Simple Memory System Cookbook
- Twitch Chat Filter Cookbook
- Jev Handson
- Jev Resume Screening
- Killmyidea
- Warrenduffer
- Voice turn-end detection with Jev
- JEV ARCADE
- Jev Plays — jevboardgames.everpaper.app
- Jev plays Pac-Man
- Tetris × TypeSafe
- Jev Chess — chess-jev.loomens.com
- Companion
- Room
- Hollow Creek
- Understand Jev (the only video you need)
- TypeSafe AI Jev: 50 Financial Jobs, Verifiable Demos & Honest Limits
- Jev runs through years of bookmarks
- 3,518 Intern Applications Checked In 4:54
- Jev plays ViZDoom with two decision channels
- A Grammarly-like Mac app built on Jev
- A Jev bot trading Kalshi markets
- A/B testing hooks against 100 personas
- Playground
- Clarity Judge — TypeSafeAI
- Jev plays StarCraft shareware
- Jev Plays Pokemon Red
- Jev Trade — aowang-ai
- Jev Social
- TypeSafe Fun AdBlocker
- Jev Web Analyzer
- Jev Plays Snake
- Jev Cookbook — nexibeo
- Neo4jev
- Askable arm
- PROMPT FPS
- Soupbase
- Jev Canvas
- Jev × Civilization II
- Jevtown — gaborishka
- Snake Jev
- Jev Bfs
- QuantDinger
- EmbodiedJev
- 2048 × Jev
- Human Compiler
- PocketJev
- RoboJEV
- Robo Harness
- Jevmail — fazlerocks
- Jev Leftpad
- Laya vs Jev — virajbhartiya
- Jev workflow builder
- Jev Chat — w3cj
- Jev × LIBERO
- RefGarden
- TypeSafe Experiments
- HEIST//ONE
- OpenRouter Labs: Prompt to questions
- JEV CHESS — jevchess.com
- Jev Wrapped — wrapped.ivanhabor.com
- Yes / No — Free Jev Demo
- Jev Fit
- TypeSafe Typewriter
- SemanticSpace
- A million judged questions
- Cookbook: Line-by-Line Search
- Cookbook: SDE Cascade
- Cookbook: Function Calling
- Cookbook: Knowledge Graph Entity Alignment
- Cookbook: Double-Checking Citations
- Cookbook: Self-Consistency for Choices
- Cookbook: Self-Consistency for Nouls
- Cookbook: Date Extraction
- Cookbook: Classifying RAG Passages
- Cookbook: Skill Suggestion
- Cookbook: Structure Recovery
- Cookbook: Autoresearch Feature Discovery
- Cookbook: Pre-Parsed Value Extraction
- TypeSafe Mario
- Jev Drone
- Jev Trading Bot Demo
- Classifying 1,500 Real Emails
- Browser Use with Jev + Stagehand
- Jev-Powered Browser Use Preview
- 700 Leads Scored for $0.09
- When a Designer Gets Jev
- A Live BS Meter on a Debate
- Cookbook: Parallel Questions
- Cookbook: Re-ranking
- Cookbook: Guardrails for LLMs
- Cookbook: Hierarchical Classification
- Cookbook: Classification Using Confidence
- Demo: Smart Home Assistant
Start here with the Jev AI model
Featured entries in cookbooks.
One question per query-candidate pair raises top-1 accuracy from 5% to 18% and top-10 accuracy from 38% to 62% on 40 CLERC legal queries.
Jev CookbooksDocs#official#cookbook#reranking
Official
Jev AI model articles
Original guides that go deeper on Jev cookbooks.
Retrieval is a sequence of bounded judgments. How a decision model slots into passage filtering, semantic find, reranking, and citation checks, and what stays in deterministic code.
Jev Cookbooks#retrieval#reranking#rag
Read article
Jev bills input tokens and gives output away, and questions in one request run in parallel. The design consequence is simple: ask more per call, then decide in code.
Jev Cookbooks#batching#patterns#search
Read article
From the Jev community
Watch walkthroughs, read the threads, and see what builders are posting.
YouTube: Retriever AI tests Jev on real browser tasks: where it worked, where it struggled, and what comes next.
YouTube: One terminal, three subscriptions, and Jev picking the model for Claude Code, Codex, and Cursor.
YouTube: A podcast segment on TypeSafe AI, its $40M raise, and the Jevons paradox behind the name.
Hacker News: Software Bombe and live Enigma demo where Jev ranks cribs and judges plaintext.
ag_212 pointsShow HN: Jev as the Bletchley Park Analyst: A Software Bombe on EnigmaRead the thread on Hacker NewsHacker News: Show HN for the decide CLI: brew install, file context, and multi-question shell scripts.
vsekhar2 pointsShow HN: Decide – Jev decisions in the shell, scripts, and agent skillsRead the thread on Hacker NewsHacker News: Pipeable onesie CLI with shell-safety exit codes and a calibrate mode over labelled commands.
frodikarlsson3 pointsShow HN: onesie – An expressive Unix-pipeable CLI for System One models like JevRead the thread on Hacker NewsHacker News: Spoken-language learning with video scenes branching on TypeSafe Jev.
j_rcht1 pointShow HN: Worklaude – learn by speaking; video scenes branch on TypeSafe JEVRead the thread on Hacker News