awesome-typesafe
Curated list of official resources and community projects for TypeSafe, System One models, and Jev, with a GitHub Pages site.
Resources for building with Jev
Find official documentation, practical articles, and community-maintained lists for building with Jev.
84 entries in the current community snapshotOther lists Other lists awesome-jev (AnotiaWang)
A curated list of awesome Jev / TypeSafe System One applications, libraries, and resources.
Other lists awesome-jev (yibie)
A curated list of public projects, integrations, and discussions built on Jev — TypeSafe AI's System One model for typed decisions.
Official TypeSafe AI
Company homepage, waitlist, and product overview.
Official Documentation
Introduction, primitives, patterns, cookbooks, HTTP API, and SDK references.
Official Quick start
Shortest path from an API key to a typed decision.
Official Playground
Paste a state, add questions, and see typed answers in the browser.
Official HTTP API reference
Request and response contract for POST /v1/systemone.
Official Primitives
Choice, Score, and Noul: the three question types and what they return.
Official Patterns
Speculative fan-out, confidence-gated routing, composite scoring, and intent routing.
Official Cookbooks
Reproducible recipes: parallel questions, reranking, guardrails, citation checks, extraction, hierarchical classification.
Official Smart home demo
Official interactive demo of speculative fan-out: many questions in one call, code keeps the relevant answers.
Official Workflow evals
Published eval methodology and per-model results for System One workflows.
Official Jev 1.13 jaggedness
Known failure modes of the current public model, documented by TypeSafe.
Official Introducing System One Models and Jev
Launch post: architecture, RLCD training, pricing, Doom and Wikiracing demos, FAQ.
Official Manifesto
The case for machine-native intelligence built for software, not conversation.
Official Discord
Official TypeSafe server. Builder demos live in the Show and Tell channel.
Official @typesafeai on X
Product and research updates.
Articles & threads Hacker News launch thread
1,800-point thread debating whether typed decisions replace LLM calls for classification, routing, and scoring.
Articles & threads AINews: Jev, a System One Model that only decides
Latent Space's launch-day roundup: over 100x faster and 200x cheaper than small frontier LLMs.
Articles & threads TypeSafe AI debuts model for machines that plays Doom
The Register on the launch, the Doom demo, and the $40M seed round.
Articles & threads Jev: System One models explained
The Neuron's explainer on AI decisions without a chatbot.
Articles & threads Mini-Vibe Check: Jev judged everything I have written in 0.7 seconds
Every's Mike Taylor runs his whole archive through Jev.
Articles & threads Jev: The Language Model That Will Not Talk
Anthony Maio's essay on what a model that cannot generate text is for.
Articles & threads TypeSafe Jev: the first decision-only model class
Release-week technical roundup: API, evals, adapter, and skill.
Articles & threads He says he co-invented ChatGPT. His new AI will not write a word
dev.to walkthrough of the Vercel AI SDK evaluate integration.
Articles & threads Typed decisions, not chat
Independent walkthrough separating TypeSafe's published claims from public evidence.
Articles & threads What is Jev?
Short practical intro with a Python ticket-triage example.
Articles & threads AI that does not talk
Practical guide: playground, Python and JS SDKs, raw HTTP, and the agent skill.
Articles & threads Jev vs Mistral and Gemini for event validation
Head-to-head test at validating local event listings, with cost and latency.
Articles & threads TypeSafeのJevを正しく驚く
Japanese walkthrough of what Jev is and is not.
Articles & threads jev 同士に五目並べで対戦させた
Jev vs Jev gomoku with source and timing logs.
Articles & threads Launch thread by Diogo Almeida
TypeSafe's founder on why RLCD-trained decision models are a shorter path to value than chat models.
Articles & threads Computer use built on Jev
Aaron Levin: 155x cheaper than Opus 5, about 20x faster, and it generalizes across operating systems.
Articles & threads Browser Use + Jev
Gregor Zunic's flight-search demo with a dynamic DOM action space.
Articles & threads Jev Typewriter launch
Steve Krouse's playable 16-judgment demo and video.
Articles & threads Model router built with Jev
Ephraim Duncan's demo where Jev decides which model should serve a request.
Articles & threads Jev vs Qwen on Cerebras
Video comparison against a structured-output LLM baseline.
Articles & threads Internal classifier field note
Matched-precision comparison against a private fine-tuned classifier.
Articles & threads Jev as an agent safety monitor
Test report using Jev to check each agent action first: most attacks caught, almost no false blocks.
Articles & threads Hide posts on X with natural language
Marcel Pociot's browser extension that collapses posts based on a Jev judgment.
Articles & threads Jev plays Minecraft (r/accelerate)
Work-in-progress demo of Jev driving Minecraft, including fleeing zombies at night.
Articles & threads Vercel fx: Jev as a command safety reviewer
Guillermo Rauch: Jev reviews every fx command, faster and more accurate than a chat model.
Articles & threads Stagehand + Jev browser use
Observe the accessibility tree, Jev chooses the next action, Stagehand executes.
Articles & threads OpenCode browser use powered by Jev
Preview of fast browser use with Jev and OpenCode's browser CLI.
Articles & threads Ground Truth news-framing extension
Browser extension that classifies an article's framing, type, topic, and loaded language with Jev.
Articles & threads Jev in a Grammarly-style Mac app
Desktop writing app using Jev for fast structured writing judgments.
Articles & threads Kalshi prediction-market bot
Jev trades 15-minute and 1-hour BTC, ETH, and SOL markets on Kalshi.
Articles & threads Model router CLI
Task plus subscription list in, Jev picks which model or agent should handle it.
Articles & threads Support ticket classifier
Jev labels category, urgency, and human-versus-auto handling for support tickets.
Articles & threads ConsoleChaosRacing driven by Jev
Racing UI wired to Jev driving decisions.
Articles & threads skillbox + Jev skill routing
MCP skill router where Jev picks the relevant skills instead of a long agent search.
Articles & threads jev-rabbit PR review bot
Work-in-progress PR reviewer with plain-English Jev rules.
Articles & threads AIAvatarKit turn-end gate
Voice-dialog turn-end detection using Jev scores after speech.
Articles & threads Early Jev tools roundup
Thread cataloguing the first wave of Jev tools: MCP servers, routers, reviewers, and browser agents.
Articles & threads Jev: System One models explained (DataCamp)
Third-party write-up of the System One primitives, pricing, and vendor workflow evals.
Articles & threads DuckDB Jev classifier
DuckDB extension that classifies rows in CSV, Parquet, or DuckDB tables with Jev, about 10 seconds per 1,000 rows.
Articles & threads Hook panel A/B tester
Near-real-time scoring of TikTok and Instagram hooks against about 100 personas.
Articles & threads Jev gomoku harness
Local tactics shrink 225 moves to about 40 candidates, then Jev picks among tiered options.
Articles & threads ViZDoom Jev agent
Two decision channels on ViZDoom, navigation at 5 Hz and combat at 12 Hz, with an 18-kill test run.
Articles & threads StarCraft Brood War WASM MCP demo
Brood War in WASM exposed as an MCP server, with Jev playing and still losing to a Zerg rush.
Articles & threads Spanish AEPD corpus test
Jev versus a hand-built regex on 544 public data-protection resolutions: 98.2% agreement for about five cents.
Articles & threads Tabletop MMORPG action mapper
Eval of Jev turning free-text player intent into typed server actions: 96% agreement, 317 ms median.
Articles & threads Jev in 34 seconds
Short video explainer of how Jev's typed-decision loop works.
Articles & threads Wiki-link clicker demo
Page-level demo where Jev picks which candidate link to click toward a goal.
Other lists awesome-jev
A curated, source-backed list of projects built with Jev, TypeSafe AI's System One model for typed decisions.
Other lists awesome-jev (fatwang2)
A source-backed Jev project directory with a reusable Jev-only GitHub review workflow.
Other lists awesome-jev-projects
Awesome Jev: source-backed open-source ecosystem radar, plain-language project discovery, and automatic GitHub sync
Other lists awesome-jev (OmniJev)
Papers, open reproductions and independent evaluations behind System One models and Jev.
Articles & threads One judge call vs twelve dimension scores
One direct Jev question per row against 12–14 Jev-scored dimensions with locally fitted weights on three classification tasks: 5,477 test rows, 25,174 Jev calls, $1.43. Decomposition wins on Japanese NLI (0.9076 vs 0.8373) but flags about 25× more hard benign rows as attacks (37.2% vs 1.5%).
Other lists awesome-jev-typesafe
Typed decisions with TypeSafe's Jev, the first System One model
Other lists awesome-jev (kraayenjon)
A curated list of Jev use cases, projects, SDKs, and resources. Jev is TypeSafe AI's System One model for fast, typed decisions in software — Choice, Score, and Noul with calibrated probabilities.
Other lists awesome-jev-zh
Jev / TypeSafe System One 中文精选列表：官方资料、SDK、爆款应用、Agent 工具、开源复现与独立评测，附中文上手指南，每日自动收录 GitHub 热门项目。
Other lists awesome-jev-tools
A curated list of tools built for Jev — TypeSafe AI's System One model for typed decisions.
Other lists awesome-jev (AppitStudio)
Curated Jev resources and runnable examples for typed AI decisions.
Other lists jev-skill
An awesome collection of Jev use cases, workflows, and agent skills.
Other lists jev-hub
JEV HUB · X 上关于 TypeSafe AI「系统一模型」Jev 的长文与演示视频聚合（保留原链与作者）｜ 谁是专家 出品
Other lists awesome-jev (heyjunpenn)
A verified, community-maintained catalog of 485 open-source projects built with Jev.
Other lists awesome-jev-usecases
Evidence-backed index of real-world Jev (TypeSafe AI System One) use cases: repos, patterns, benchmarks, and measured results
Other lists fable-jev
⚡ Sub-100ms cognitive reflexes for autonomous coding agents. Powered by TypeSafe AI's Jev & get-fable.
Other lists jev-radar
📡 全网最全 · The world's most comprehensive tracker of the Jev (TypeSafe AI System One) ecosystem — 220+ documented cases · 108 confidence-graded entries · verified & rescanned every 3 hours · API access guide included
Other lists awesome-jev-usecases (aliaihub)
Evidence-backed use cases, patterns, and guidance for building with Jev, TypeSafe AI's System One model. Every claim is labeled and sourced.
Other lists awesome-jev (Frank-ZY-Dou)
Public examples of Jev used for robot control, 3D modeling and adjacent control tasks, with sources and archived media
Other lists awesome-jev (ckaraca)
A curated list of tools, integrations, and experiments built on Jev, TypeSafe AI's System One model for fast, typed decisions.