A FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
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 ↗
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’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.
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 ↗Four official signals. A fresh starting point on each visit.
714 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
Fast CVSS scoring from vulnerability descriptions using Typesafe Jev.
github.comRed5d/jev-cvssExplore this project ↗Source-linked curation
A sandbox where a TypeSafe System One model presses the controls of a small creature. Code runs the world.
github.comTheGali/terrariumExplore this project ↗Source-linked curation
Autonomous PlayStation 2 AI Agent with real-time visual telemetry HUD powered by TypeSafe Jev System One.
github.comopaielsheikh/ps2-ai-agentExplore 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
Cyber-Breach: The Jev Protocol - A tactical cyberpunk arena combat game powered by TypeSafe AI Jev System One decision model.
github.comrchovatiya88/cyber-breach-jevExplore this project ↗Source-linked curation
A verified, community-maintained catalog of 485 open-source projects built with Jev.
github.comheyjunpenn/awesome-jevExplore this project ↗Source-linked curation
Async Python client for TypeSafe Jev. Typed questions in, probabilities and choices out, no prose to parse.
github.comAboveColin/jevclientExplore this project ↗Source-linked curation
Selects source-linked evidence within a token budget using Jev Noul relevance judgments and local diversity-aware selection.
github.comkeltokhy/jselectExplore this project ↗Source-linked curation
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.
github.comnexibeo/jev-cookbookExplore this project ↗Source-linked curation
Papers, open reproductions and independent evaluations behind System One models and Jev.
github.comOmniJev/awesome-jev-galleryExplore this project ↗Source-linked curation
Curated catalog of System One / Decision Models — contributions for modelsystem.one.
github.comfabricioctelles/modelsystemExplore this project ↗Source-linked curation
Open-source Jev-style System One decision model. Gemma 3 270M with a scoring head — fast, calibrated decisions in a single forward pass. No text generation. Inspired by TypeSafe.ai's Jev.
github.comakash-kamat/system-one-gemmaExplore this project ↗Source-linked curation
Stop guessing confidence thresholds: calibrate, threshold, and drift-check typed decision models (TypeSafe Jev) against an LLM teacher.
github.comabhixhek/jevcalExplore this project ↗Source-linked curation
CV diagnostics and job alignment with TypeSafe Jev, React and FastAPI.
github.comawun8191/jev-resume-analyzerExplore this project ↗Source-linked curation
Jev-powered conversation memory: find past sessions and revisit decisions with original sources. A macOS workspace for OpenAI Codex. Manage AI conversations and agents, explore code with CodeGraph, and work with Git, Ghostty terminals, and Apple Notes in one app.
github.comCheshiAI/CheshiExplore this project ↗Source-linked curation
Control a real browser by voice. Jev (TypeSafe System One) decides intent + target in ~300 ms per spoken word; Playwright acts — often before you finish the sentence.
Source-linked curation
Decision harness for TypeSafe Jev — confidence gates, shadow mode, recipes, and evals. Claude CLI 48.9s → Jev 1.3s on the same row-filter job.
github.comAntonioCoppe/jev-harnessExplore this project ↗Source-linked curation
Browser use for coding agents, 3-5x faster than browser-use. MCP server + CLI; TypeSafe Jev decides every step in ~300 ms.
Source-linked curation
Home Assistant Assist conversation agent powered by TypeSafe's Jev (System One) model.
github.comJanOstrowka/typesafe-assistExplore this project ↗Source-linked curation
Filter command output for coding agents using a task description.
github.comibrahemid/jevpruneExplore this project ↗Source-linked curation
Unofficial PHP SDK for the TypeSafe AI System One API — 1:1 parity with the official JS and Python SDKs. Not affiliated with TypeSafe AI.
github.comvalksor/typesafe-sdk-phpExplore this project ↗Source-linked curation
A developer tool for decision runtime with zero-token caching and a calibrator, collected for the tools shelf.
github.comseb4ez/jevguardExplore this project ↗Source-linked curation
A research project enabling SQL queries with real type responses.
Source-linked curation
A developer project integrating Home Assistant with Jev for processing user input without an LLM.
github.comallenporter/home-assistant-typesafeExplore this project ↗Source-linked curation
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.
github.comnexibeo/jev-organizeExplore this project ↗Source-linked curation
Validated enhancement pack for MiniMax Code CLI on arm64 DGX Spark + local GLM-5.3-EXL3: TUI scrollbar + context-meter patches, compaction repair for local vLLM, Jev Ultrafast + Playwright MCP browser integration, real usage ledger.
github.comdrowzeys/keys-MiniMax-Code-CLI-Browser-Scroll-Context-Enhancement-Pack-with-Jev-Ultrafast-IntegrationExplore this project ↗Source-linked curation
Typed System One layer for Rust (Choice/Score/Noul).
github.comAbdelStark/s1-rsExplore this project ↗Source-linked curation
Input moderation for Mastra agents on TypeSafe Jev — one file.
github.comCodeAlive-AI/mastra-jev-moderationExplore this project ↗Source-linked curation
An idiomatic, type-safe Elixir port of the official TypeScript AI SDK (ai / ai-sdk) providing unified LLM integrations, streaming text and structured outputs, tool calling, and agentic workflows. Jev is their current flagship model and is the first System One model.
github.comnshkrdotcom/typesafe_sdkExplore 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
🚀 Blazing-fast native macOS menu bar companion for Notion. Pure Swift & SwiftUI (<3MB), 8 languages.
github.comjeffloo886/jev-notionExplore this project ↗Source-linked curation
2D autonomous car simulation in the browser, driven by TypeSafe's Jev decision model.
github.comvinilana/live-jevExplore this project ↗Source-linked curation
Select Git changes for staging with a plain-language description.
github.comibrahemid/git-jev-stageExplore this project ↗Source-linked curation
Community TypeSafe AI playground: 110 use cases, games, dilemmas and model challenges, with editable prompts, A/B comparisons and a mobile-friendly UI.
github.comnickthompson480/typesafe-ai-playgroundExplore this project ↗Source-linked curation
A research project auditing Jev's performance with the Spanish language.
github.commarcosmartinez/jev-acentoExplore this project ↗Source-linked curation
Three composable judgment pipelines on TypeSafe's Jev: support-ticket triage, observability alert triage, and a deploy-risk gate.
github.comshivam2003-dev/typesafe-triage-guardExplore this project ↗Source-linked curation
Jev (TypeSafe) vs. Gemini 3.8 Flash vs. GPT-5.6 Luna na anotação estruturada de sentenças do TJSP: qualidade, tempo e custo.
github.comlab-dados/jev-anotacao-sentencasExplore this project ↗Source-linked curation
Use Jev (TypeSafe's System One model) as a calibrated reranker: one call, up to 30 documents, a probability per document. Apache-2.0.
github.comhev/rerankerExplore this project ↗Source-linked curation
Typed-decision benchmark from PadFlow (land development SaaS): schemas, anonymized labeled rows, and a runner for confidence-calibrated models like TypeSafe Jev.
github.comzsavage8/padflow-jev-evalsExplore this project ↗Source-linked curation
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.
github.comanpicasso/hermes-jev-approvalsExplore this project ↗Source-linked curation
A developer project for the agents shelf, using MCP tool for Codex instead of listing all options.
github.comjackbarunz/jev-tool-routerExplore this project ↗Source-linked curation
Go SDK for TypeSafe AI API https://docs.typesafe.ai/api.
github.comchez-shanpu/typesafeai-goExplore this project ↗Source-linked curation
MCP server exposing TypeSafe System One judgments (noul, choice, score) as agent tools.
github.combestagentkits/typesafe-demo-mcpExplore this project ↗Source-linked curation
Safety checks for Hermes and other AI agents before they act, ask for approval, or verify a change.
github.combojansandhaus/jev-decisionsExplore this project ↗Source-linked curation
DGUI-HyperMem (DeckerGUI HyperMemory) - self-hosted hybrid memory MCP server on Cloudflare Workers with a JEV (Choice/Noul/Score) reasoning layer and a HuggingFace training-brain flywheel.
github.comctaxnagomi/dgui-hypermemExplore this project ↗Source-linked curation
Recursive Jev choice over a taxonomy. Select from more than 255 options without breaking TypeSafe Jev's choice cap.
github.comreachjalil/jev-treeExplore this project ↗Source-linked curation
A flexible and configurable CLI model router using TypeSafe Jev.
github.commarcus/frostExplore this project ↗Source-linked curation
Jev scores collapsed log batches; code maps answers to suppress, watch, review, notify, or page. Nothing is executed.
github.comjyatesdotdev/jev-logtriageExplore this project ↗Source-linked curation
A Chrome extension that organizes bookmarks using user-defined rules for categorization.
Source-linked curation
Typed decisions with TypeSafe's Jev, the first System One model.
github.comvalentynkit/awesome-jev-typesafeExplore this project ↗Source-linked curation
A tool enhancing zsh autosuggestions with Jev-based ranking instead of prefix matching.
Source-linked curation
A GitHub tool that requests Jev's approval before merging pull requests.
github.commetalbear-co/jev-auto-approveExplore this project ↗Source-linked curation
Official agent skill for Claude Code, Codex, and compatible agents: primitives, patterns, and how to structure evaluations.
Source-linked curation
Every tool call your agent makes, checked before it runs. A Claude Code plugin that uses TypeSafe AI's Jev to verify each pending tool call against the session plan, then allows it, asks you, or blocks it. Proof of concept.
github.comgetexcited/stepwardenExplore this project ↗Source-linked curation
On-device iPhone visual decision tool using MLX and Qwen3-VL direct option logits.
github.comNullPo-jp/PocketJevExplore this project ↗Source-linked curation
Per-call GPT model routing for Codex: Jev chooses model and effort, a local Responses proxy keeps the tool loop intact, then independent verification and Router Compass check whether the task still passed.
github.comminiLV/Jev-Auto-RouterExplore this project ↗Source-linked curation
Draw on a tldraw canvas with your voice and a pointing finger. Jev (TypeSafe System One) decides action, target and place in ~350 ms per spoken word.
github.comgaborishka/jev-canvasExplore this project ↗Source-linked curation
High-throughput synthetic & pretraining dataset sifter powered by TypeSafe AI Jev (api.typesafe.ai). Stream, filter, and score Parquet & JSONL datasets at 1,500+ rows/sec using System One typed decisions (Choice, Score, Noul).
github.comAkashPriyadarshii/jev-curateExplore this project ↗Source-linked curation
Probably: live BTC, ETH, and XRP prices with a shared TypeSafe buy-or-wait demonstration. No trades placed.
github.comJordiParraCrespo/typesafe-ai-trading-showcaseExplore this project ↗Source-linked curation
Experimental semantic line search with TypeSafe Jev via OpenRouter. Python CLI with no runtime dependencies.
github.comlarguesa/jev-searchExplore this project ↗Source-linked curation
Challenge the Jev's intelligence in Rubik Cube puzzles.
github.com0xtrou/rubikjevExplore this project ↗Source-linked curation
Almond-fastloop: Almond's browser computer-use rig (Chrome DevTools + TypeSafe Jev), and the Browser Use Olympics benchmark it is measured on.
github.comeriestra/almond-fastloopExplore this project ↗Source-linked curation
5–10x faster browser operations: Jev clicks, Codex thinks and verifies. Built at EZCollegeApp.
Source-linked curation
Browser automation with Jev (TypeSafe) as decision model.
github.com0x7067/jev-browseExplore this project ↗Source-linked curation
Helper n8n community node for Jev by TypeSafe. Classify, route, and score text with questions you define, and get a probability for every answer so unsure items can go to review.
github.comvibe-with-me-tools/n8n-nodes-jevExplore this project ↗Source-linked curation
Daf-jev: composable Python toolkit for TypeSafe's Jev (System One) decision API — question builders, confidence gates, evaluator, calibration, CLI, MCP server, agent skill.
Source-linked curation
Write Cucumber tests with just the .feature file. No step definitions — Jev (TypeSafe AI) resolves each Gherkin step and Playwright runs it.
Source-linked curation
TypeScript CLI that finds code, docs, logs, and text by natural-language conditions using Jev Noul judgments, with probability thresholds, source lines, and cached results.
github.comYehuiTang0316/jev-nlgrepExplore this project ↗Source-linked curation
TypeSafe Jev (System One) decision tools for Hermes Agent: jev_check / jev_route / jev_score / jev_evaluate.
github.comajensenwaud/hermes-jev-pluginExplore this project ↗Source-linked curation
Dasheng is a GitHub tool combining speech recognition with Jev for real-time word-by-word transcription and marking of spoken content.
github.comwquguru/dashengExplore this project ↗Source-linked curation
Typed TypeSafe AI clients for Rust, with async and blocking backends and observable retries.
github.comTwister915/typesafe-aiExplore this project ↗Source-linked curation
A live tone labeler for Bluesky posts and drafts, using TypeSafe's Jev API.
github.comsriganesh/jevibe-checkExplore this project ↗Source-linked curation
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