SDKs and API clients with decision models

Vercel's AI SDK for Python, in public beta, listed for carrying Jev through its evaluation operation and AI Gateway examples.

Swift package for typed decisions (probability, choice, score) over local MLX or Core AI models, Clef decision heads, or the Jev API.

Zero-dependency Python CLI that hands small semantic judgments and verbatim passage selection to Jev; the calling agent keeps authority.

Unofficial portable Clojure SDK for the TypeSafe System One API, with question constructors, validation, retries and JVM or Jolt backends.

Composable Python toolkit for Jev: question builders, confidence gates, batch evaluator, calibration, CLI, MCP server and agent skill.

Python library for typed decisions with Jev or your own provider, adding validated distributions, batching, budgets, ranking and records.

Provider-independent .NET decision engine with a separate TypeSafe Jev provider package mapping Choice, Score and Noul to /v1/systemone.

Effect library turning Jev Choice, Noul and Score answers into typed branches with a compiler-enforced Uncertain case.

Community .NET 10 SDK giving one API for choice, score and assessment over Microsoft-Decision-1, Ollama or native Jev.

Elixir client for the TypeSafe API with mixable Noul, Choice and Score questions, retries and configurable defaults.

Unofficial Elixir client for TypeSafe with typed structs, Req-based HTTP with retries and ergonomic noul/choice/score builders.

Go SDK for TypeSafe Jev with a jev-cli built for UNIX pipelines, supporting single and batched typed questions.

Small Go agent-loop library with an optional goodall/typesafe package that uses Jev as a tool or hook beside chat models.

Haskell client for Jev that batches typed Choice, Score and Noul questions into one call via a free applicative.

Ruby gem for probabilistic control flow: branch on Jev answers with predicates like likely? and almost_certainly?.

Python library with a TypeScript port that turns Jev questions into functions over lists and DataFrames, with caching and escalation.

Unofficial Go client for Jev that returns answers as your own Go types, so the compiler checks how you branch on them.

Rust CLI that sends typed questions to Jev, Cloudflare Clef, Ollama Clef, OpenAI Decisions or other System One providers.

Elixir/OTP library treating Jev as a peer process whose answers arrive as messages you pattern match in GenServer clauses.

Provider-neutral Unix CLI for Jev: pipe state in, ask one Noul, Choice or Score question, get JSON out for scripts and CI.

Unofficial Go client for the System One API with Noul, Choice and Score types and rate limiting, by kataras.

Ruby gem for the Jev API with ask (Noul), choose (Choice) and score (Score) builders and a uniform result accessor.

Small idiomatic Elixir client for Jev via TypeSafe or OpenRouter, with boolean ask? and analyze helpers.

Chinese-documented CLI that turns content into script-ready Jev judgments via noul, choice, score and classify commands.

Unofficial dependency-free .NET client for Jev with typed Choice, Score and Noul questions and confidence helpers.

Ruby gem making semantic checks ordinary methods: feels?, decide and score on model fields, with Rails validations.

Session-aware OpenAI-compatible gateway that routes chat requests by task type, scale and rigor, optionally via Jev Choice questions.

Unofficial dependency-free Go SDK and interactive CLI for Jev via TypeSafe or Vercel AI Gateway, with an agent skill.

Unofficial Go client for Jev with YesNo, OneOf and Levels constructors and typed answer accessors.

Minimal unofficial Go SDK for Jev supporting Noul, Choice, Score, structured inputs and model listing.