SDK & Decision Frameworks: open source Jev projects

Where to start

composioComposioHQ/composioTurns tool or action conditions into structured questions and passes Jev answers to local invocation logic.★ 30,288 · Jev code linkedaivercel/aiMaps choice, score, and yes/no questions to TypeSafe System One requests and parses typed results.★ 26,899 · Jev code linkedelizaelizaOS/elizaOnly an explicit systemOne call sends state and questions, returning validated typed answers.★ 19,409 · Jev code linked

All 20 SDK & Decision Frameworks projects

Sorted by GitHub stars, which belong to the whole repository rather than its Jev integration.

1. composioComposioHQ/composioAn optional TypeSafe provider for Composio that uses Jev to choose among tools and bounded argument options.★ 30,288
   TypeScript
2. aivercel/aiThe TypeSafe provider in AI SDK lets TypeScript applications call Jev through the shared evaluate interface.★ 26,899
   TypeScript
3. elizaelizaOS/elizaAn optional TypeSafe HTTP adapter in Eliza’s source, not registered with the Agent runtime by default.★ 19,409
   TypeScript
4. langchainjslangchain-ai/langchainjsAn optional LangChain.js TypeSafeClassifier integration for sending state and predefined questions to Jev.★ 18,220
   TypeScript
5. rig-typesafeai0xPlaygrounds/rigAn experimental TypeSafe crate in Rig for expressing Jev questions and answers with Rust types.★ 8,699
   Rust
6. req_llmagentjido/req_llmA TypeSafe provider for calling Jev through ReqLLM’s evaluate interface in Elixir.★ 581
   Elixir
7. instructor-phpcognesy/instructor-phpA TypeSafe Decision driver within Instructor PHP’s Polyglot module.★ 327
   PHP
8. openai-scala-clientcequence-io/openai-scala-clientA dedicated TypeSafe module in a Scala client that supports multiple AI providers.★ 249
   Scala
9. pi-fabricmonotykamary/pi-fabricPi’s programmable runtime includes an optional Jev loop for observing state, making decisions and running bounded actions.★ 248
   TypeScript
10. runlineMichaelliv/runlineA TypeSafe plugin exposing Jev decisions as callable actions in Runline Agent JavaScript.★ 163
    TypeScript
11. aihackclub/aiA Jev forwarding endpoint in the Hack Club AI proxy, using its authentication, limits and usage logging.★ 133
    TypeScript
12. effect-agentdanieljvdm/effect-agentAn Effect Agent TypeSafe decision provider for typed question sets and optional model selection.★ 121
    TypeScript
13. swift-typesafeainame/swift-typesafeA community Swift TypeSafe client with typed questions, dynamic questions and response parsing.★ 14
    Swift
14. SpecPiTannerMidd/SpecPiA Pi configuration and extension bundle with an optional Jev advisor for capabilities and workflow checks.★ 8
    JavaScript
15. questionsnitoba/questionsA TypeScript decision library that asks typed questions via Zod or native batches, defaulting to TypeSafe Jev, with optional Vercel or generative adapters.★ 5
    TypeScript
16. goodallbensyverson/goodallAn optional TypeSafe package in a Go Agent library, using Jev as a tool or routing judge alongside chat models.★ 3
    Go
17. typesafe-go2389-research/typesafe-goA TypeSafe System One client that uses only the Go standard library to send Jev questions and read structured answers.★ 2
    Go
18. typesafe-sdk-swiftmarandaneto/typesafe-sdk-swiftAn experimental Swift SDK for TypeSafe using Swift Package Manager, Swift concurrency, and URLSession.★ 1
    Swift
19. TypeSafeSDKDotNetVibeCoderz/Vibe_SDKAn unofficial .NET client that POSTs state and typed questions to TypeSafe /v1/systemone. The parent repo also contains unrelated SDK dumps.★ 0
    JavaScript
20. typesafe-ai-rubyhnegishi/typesafe-ai-rubyA stdlib-only Ruby client that sends Choice, Score, or Noul questions to TypeSafe System One.★ 0
    Ruby

Related categories

• Community (New) 251
• Agent tooling 179
• Community additions 156
• Benchmarks & research 112
• Applications 76
• Games & simulations 75
• Browser & computer use 74
• Routing & Cost Optimization 70