Jev project · SDK & Decision Frameworks
langchainjs
langchain-ai/langchainjs
An optional LangChain.js TypeSafeClassifier integration for sending state and predefined questions to Jev.
- GitHub stars
- 18,220 as of 2026-09-22
- Forks
- 3,390
- Language
- TypeScript
- License
- MIT
- Created
- 2023-02-06
- Last updated on GitHub
- 2026-09-25

Built by this organization
LangChainWhat Jev does in langchainjs
Uses invoke to call TypeSafe and parse choice, noul, score and probability fields.
Verification
Verified. We confirmed this repository through the GitHub API and located the code that calls Jev at a pinned commit: view the Jev code ↗. Upstream code changes over time, so check that the file still exists at the current commit before citing it.
How SDK & Decision Frameworks projects use Jev
Established AI frameworks that ship a Jev or TypeSafe provider, from agent toolkits to structured-output libraries. They let a large existing codebase adopt typed decisions with little new code.
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