Framework integrations with decision models

Rails-native gem that defines Jev decisions as classes with typed results, confidence thresholds, guardrails, a router and test helpers.

Open-source, self-hosted System One decision engine (NotJev : Kev) with a Jev-style API on top of Ollama or any OpenAI-compatible model.

LangGraph decorator that lets Jev take routing decisions it is confident about and falls back to your existing LLM router otherwise.

Unofficial Laravel 12/13 integration for Jev with config, facade, scoped DI, async promises and a recording test fake.

Laravel-ready PHP SDK for self-hosted Laya that returns typed decisions as PHP enums, ints and bools, with a test fake.

Unofficial LlamaIndex reranker and router where Jev scores retrieved passages and selects query engines, with BEIR results.

Unofficial PHP 8.2+ client for TypeSafe's System One API with typed DTOs, Guzzle async promises, retries and PSR-3 logging.

TypeSafe provider for RubyLLM 2 that exposes Jev's Noul, Choice and Score through structured output, until native judgments ship.

Java SDK for TypeSafe's System One API plus Spring AI integrations using Jev as judge, guardrail, RAG filter/reranker and tool index.

Swift 6 bridge putting System One models behind Apple's Foundation Models API, with Jev, Laya (incl. on-device Core ML), Clef and OpenAI.

Java SDK that lets natural language invoke tinystruct @Action methods, using Jev as a semantic dispatcher with confidence gates.

Community JVM SDK for System One with Java core, Kotlin DSL, Spring Boot and Spring AI; works with Jev and LAYA.

Community Rails integration for System One with configuration, persisted usage and cost telemetry, and fail-closed confidence policies.

Unofficial .NET client (TypeSafeSharp) for System One with official-SDK retry behavior, typed answers, DI and OpenTelemetry tracing.

Zero-dependency Node bridge that exposes Jev through an OpenAI-compatible API, plus a CLI, code-audit tool and auto-fix loop.

PHP SDK with Laravel integration for System One, using PSR-18 HTTP clients and explicit configuration.

NativeAOT-ready .NET SDK for System One with an AutoSDK-generated transport and handwritten typed API, DI and MEAI integrations.

.NET SDK for System One with typed QuestionSet handles and a Microsoft.Extensions.AI package for guardrail and routing middleware.

LangGraph dental-clinic agent where a local Jev-style router picks which tools to bind each turn, halving LLM token use.

Vercel Labs example routing form submissions to the right team with Jev via AI SDK, falling back to an LLM when uncertain.

Spring Boot 4 starter that injects a JevClient for asking Noul, Choice and Score questions from Spring MVC apps.

Video demo app showing Jev use cases with the AI SDK and shadcn/ui, from intent search and model picking to chat moderation.

Playground comparing generative UI via an LLM writing json-render specs with Jev choosing and arranging prepared components.

AI SDK middleware and OpenAI-compatible proxy that runs seven Jev checks on every LLM response, gated by confidence.

WordPress connector that lets themes and plugins ask Jev typed questions and branch on probabilities, choices or scores.

Library that composes typed Jev judgments like reactive state in React and backend programs, with automatic batching and reuse.

Pi extension with a consented, key-managed TypeSafe client, a batched typesafe_evaluate tool, a playground and an extension API.

Symfony demo that triages French public-service requests with one Jev call each: intent choice, urgency score and bug noul.

Cloudflare Flue agent example that adds a validated route_with_jev tool for typed support routing through AI Gateway.

Async LangGraph example where a Jev Choice labels each email as invoice or general and routes it to a handler.