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Recent activityA FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
Diogo Almeida@CompleteSkepticLAUNCH POSTDiogo Almeida introduces Jev, TypeSafe’s structured decision model. Watch the launch film and explore the original thread for the model’s approach, examples and author-reported performance.
TypeSafe AI@typesafeaiOFFICIALTypeSafe highlights Jev’s typed-output approach: applications provide state and questions, then act on probabilities, choices or scores. The linked announcement also covers the Venice API integration.
x.comAnswers your code can useExplore this project ↗TypeSafe AI@typesafeaiOFFICIALTypeSafe announces public access to Jev without a waiting list. The official console is the starting point for trying typed decisions in your own application.
x.comJev opens to everyoneExplore this project ↗TypeSafe AI@typesafeaiOFFICIALTypeSafe’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.
Four official signals. A fresh starting point on each visit.
1,198 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
Company homepage, waitlist, and product overview.
typesafe.aiTypeSafe AIExplore this project ↗Source-linked curation
Official TypeSafe reference: Guardrails for LLMs.
docs.typesafe.aiSTATE → DECISION → CODEExplore this project ↗Source-linked curation
Predict another skill's next closed decision with TypeSafe Jev — without running that skill.
github.comDanielKillenberger/jev-predict-skillExplore this project ↗Source-linked curation
Interactive explorer and Jev question workspace for Jev Board datasets.
github.comWebGrga/jev-board-labExplore this project ↗Source-linked curation
EmbodiedJev: MuJoCo robot decision workbench with MiniCPM5-2B, Jev and compatible model APIs.
github.comFBddcz/embodied-jevExplore this project ↗Source-linked curation
Head-to-head test at validating local event listings, with cost and latency.
nearhere.eventsJev vs Mistral and Gemini for event validationExplore this project ↗Source-linked curation
Nushell module for the TypeSafe System One API: typed decisions with calibrated probabilities.
github.comcablehead/jev.nuExplore this project ↗Source-linked curation
TypeSafe Jev for OTP: reply to Jev from a GenServer and pattern match on its answer.
github.comdannote/jevExplore this project ↗Source-linked curation
x.comA community experiment using Jev as a plugin in Claude to reduce unnecessary tool calls, cutting token count from 1M to 86K.
Source-linked curation
Orus uses Jev to review and approve trade strategies before execution, enhancing decision-making with structured answers.
Source-linked curation
Jev selects legal moves in a game of chess, compared to reasoning models.
Source-linked curation
A developer project where Jev assists in browsing by selecting actions, with an LLM planning and citing sources.
Source-linked curation
Fast, drop-in profanity and toxicity screener for Node.js, powered by TypeSafe AI Jev. Catches leetspeak, character spacing, and romanized profanity across languages including Kannada, Telugu, Tamil, Hindi, and Bengali. ~50-500ms latency.
github.comItisShikhar/gg-friggin-ezExplore this project ↗Source-linked curation
Jev (System One decision model) plugin suite for DeepSeek Harness (dsh).
github.comzhangxaochen/dsh-jevExplore this project ↗Source-linked curation
Evidence-backed index of real-world Jev (TypeSafe AI System One) use cases: repos, patterns, benchmarks, and measured results.
github.comanandi1989/awesome-jev-usecasesExplore this project ↗Source-linked curation
Guardrails for Pi built on pi-typesafe that steer the agent instead of interrupting you: Jev judges irreversible and off-task tool calls, detects stuck loops, checks unverified done claims, flags slop.
github.comDevMortimer/pi-wardenExplore this project ↗Source-linked curation
Computer use for about $0.0002 a step: OCR the screen, classify the next action with TypeSafe, click. macOS.
Source-linked curation
3D chess where Jev plays both sides, or you jump in.
chess-jev.loomens.comchess-jevExplore this project ↗Source-linked curation
Everyday Stocks Status with Jev.
Source-linked curation
Everton CarneiroA tool that identifies App Store keywords by analyzing competitors and using Jev to filter relevant terms.
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Official TypeSafe reference: System One.
docs.typesafe.aiSTATE → DECISION → CODEExplore this project ↗Source-linked curation
AckermanJev rapidly analyzes 700 live ads in 40 seconds for marketing insights at low cost.
Source-linked curation
Reproducible benchmark for measuring Jev reranking quality, latency, and cost in RAG.
github.comerendikmenn/jev-rag-benchmarkExplore this project ↗Source-linked curation
Classifies tax documents using an LLM pipeline for efficient processing.
Source-linked curation
Jozef GhermanA free AI tool built on Jev that quickly scans text for low-quality content, processing around 10,000 words in 2 seconds.
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NickTest report using Jev to check each agent action first: most attacks caught, almost no false blocks.
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Classify Git commit diffs and messages with Jev. Bug fixes, security fixes/CWEs, and change types.
github.comdevanshbatham/commit-minerExplore this project ↗Source-linked curation
The decision layer for your Rails app. A Rails-native wrapper around TypeSafe's Jev System One API: typed, calibrated decisions in your control flow.
github.comRay-Hughes/jevalynExplore this project ↗Source-linked curation
Jev, TypeSafe's System One model, plays chess against any OpenRouter LLM, Stockfish and you. One-page web app with live moves, Jev's move probabilities, saved games and win rates.
github.comchoxos/jevchessExplore this project ↗Source-linked curation
Codebase search powered by Jev from @typesafe-ai.
github.comellipsis-dev/blinkExplore this project ↗Source-linked curation
The invalidation layer for AI memory. Every fact gets a lease; new evidence ends it. Built on TypeSafe Jev.
github.comchopratejas/invalidateExplore this project ↗Source-linked curation
A live Bluesky feed with real-time emotion detection and user avatar matching.
Source-linked curation
TypeSafe Jev as a decision layer for the Pi coding agent: a measured tool-call gate plus jev_ask for typed, calibrated answers.
github.comy0usaf/pi-jevExplore this project ↗Source-linked curation
A community post describing control of a simulated fly.
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A Go client for the TypeSafe API, aimed at developer tools and applications.
Source-linked curation
A Stop hook that stops your coding agent from stopping too early. Plain-language rules, judged by jev.
github.comnoplan-inc/limpetExplore this project ↗Source-linked curation
Florian DarromanA challenge where 100 builders used Jev and Fable 5.1 to create a post scheduler, highlighting Jev's speed.
Source-linked curation
Matthew BermanJev analyzes 724 live ads from 37 brands in 40 seconds, breaking down their elements and formats.
Source-linked curation
Typesafe AI SDK in Elixir using Req.
github.comvinnie357/typesafe_sdk_exExplore this project ↗Source-linked curation
DiffJury — TypeSafe Jev PR risk router + code review coach.
github.comraihankhan-rk/diffjuryExplore this project ↗Source-linked curation
TypeScript browser agent for ego lite: Jev Ultrafast indexed actions, TypeSafe Jev decisions, persistent observe/act CLI. No Chrome or Playwright.
github.comromaluev/jev-egoExplore this project ↗Source-linked curation
x.comA community post explaining Jev's role in improving agent efficiency and cost-effectiveness.
x.comHow Jev makes agents faster and cheaperExplore this project ↗Source-linked curation
Jev for Chrome: drives the tab you are looking at with TypeSafe Jev, a sub-second decision model. Community port of browser-use/jev-ultrafast, not affiliated with TypeSafe.
github.comchy4pro/jev-for-chromeExplore this project ↗Source-linked curation
Typed System One decisions, ranking, verification, and an opt-in Hermes tool gate using TypeSafe Jev.
github.comkeeltrace/hermes-jevExplore this project ↗Source-linked curation
Integrates Jev into apps for smart autofill features improving user experience.
Source-linked curation
PHP & Laravel SDK for TypeSafe AI's JEV Model series.
github.combinnash/typesafe-sdkExplore this project ↗Source-linked curation
A GitHub project where Jev plays Minesweeper, revealing its capability to handle real-time, turn-based game mechanics.
github.comEnesYilmazcode/JevMinesweeperExplore this project ↗Source-linked curation
Audit your git diff against YAML coding-standards packs using TypeSafe's Jev model, from a CLI or your AI agent's command/skill.
github.comKushwho/jev-codesExplore this project ↗Source-linked curation
x.comJev differs from LLMs by evaluating predefined decisions directly, enabling parallel processing of independent questions.
Source-linked curation
Ilias IsmMoved hard-coded rules to Jev for faster AI processing and reduced costs in projects like aiseotracker and linkdr.
Source-linked curation
A tool that provides quick actions based on clipboard content, specifically for macOS.
Source-linked curation
x.comA community post listing Chinese open-source Jev clones with technical specifications.
x.comFive open Jev replicas, in ChineseExplore this project ↗Source-linked curation
The maze as JSON; Jev picks the turn at each junction in real time.
jev-pacman.ephraimduncan.comJev Pac-ManExplore this project ↗Source-linked curation
Jev-Tool-Runner is a GitHub project where Jev selects developer tools and Codex generates code based on those selections.
Source-linked curation
A Kotlin DSL and client for TypeSafe's Jev model.
github.compambrose/jev4kExplore this project ↗Source-linked curation
Ask Jev typed questions from the shell: noul, choice, and score answers as numbers, not prose.
github.comy0usaf/typesafe-cliExplore this project ↗Source-linked curation
Community .NET SDK for the TypeSafe AI System One API — typed noul, choice, and score questions with structured, confidence-scored answers. Not affiliated with TypeSafe AI.
github.comsaibimajdi/typesafeai-dotnet-sdkExplore this project ↗Source-linked curation
Put your code comments on trial. Powered by Jev.
github.comntedvs/commentcopExplore this project ↗Source-linked curation
Idiomatic Java SDK for TypeSafe AI Jev System One decision engine.
github.comOlti1947/jev-javaExplore this project ↗Source-linked curation
Experimental protocol for evidence-aware agent handoffs, with Jev-assisted review before results reach the lead agent.
github.comzsoXi/agent-handoff-gateExplore this project ↗Source-linked curation
Marcel Pociot 🧪A macOS app that automatically organizes downloaded files using rules.
Source-linked curation
A curated list of public projects, integrations, and discussions built on Jev — TypeSafe AI's System One model for typed decisions.
Source-linked curation
Does Jev predict stock returns from news? It reads the news well; there is no tradeable alpha. Three arms separate reading from recall.
github.comGaurav-Gosain/jev-alpha-benchExplore this project ↗Source-linked curation
Retrieve by relevance, not resemblance: filter an AI assistant's memories with TypeSafe's Jev.
github.comsamdotmak/jev-recallExplore this project ↗Source-linked curation
An experimental tool using Jev to lint Supabase Row Level Security policies.
Source-linked curation
Evaluating TypeSafe's Jev as a fast monitor and action gate for agent sabotage in SHADE-Arena, compared with Gemini 2.5 Flash/Pro.
github.comnican2018/shade-arena-jev-monitorExplore this project ↗Source-linked curation
A mahjong coach that uses Jev to suggest tiles to discard in Japanese.
Source-linked curation
Riley BrownA real-time tool to analyze and categorize tweets for viral potential.
Source-linked curation
Trinay HariA 26-sheet construction plan set was classified in 2.9 seconds using Jev with an LLM pipeline, costing $0.0052 and matching GPT-4.1 and GPT-6 Astra performance.
Source-linked curation
TypeSafe AI System One (Jev) task plugin for QuantumNous/new-api — native /v1/systemone, synchronous evaluation, token billing.
github.comFFatTiger/new-api-plugin-typesafeExplore this project ↗Source-linked curation
Claude Code plugin that scores how well you prompt a coding agent, and shows whether your habits are improving. Runs on TypeSafe's Jev model. Zero added latency.
github.comCrowdLinker/JevPromptCoachExplore this project ↗Source-linked curation
x.comA community post outlines a guide for constructing a high-speed agent brain using Jev.
x.comBuilding the fastest agent brain in 10 stepsExplore this project ↗Source-linked curation
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