System One adapter (Python)
Official drop-in TypeSafeClient replacement backed by OpenAI, Anthropic, and compatible LLM APIs, for comparing Jev against chat models.
Official
Docs, SDKs, and resources from TypeSafe AI. Browse the collection in Jev Library.
19 entries in the current community snapshotOfficial Official TypeSafe JavaScript SDK
Official TypeScript/JavaScript client with inferred answer types. npm install @typesafe-ai/sdk.
Official TypeSafe agent skills
Official agent skill for Claude Code, Codex, and compatible agents: primitives, patterns, and how to structure evaluations.
Official TypeSafe Python SDK
Official sync and async Python client. pip install typesafe-sdk.
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.