What it does
A JavaScript and TypeScript framework for building agent and LLM applications. Use it for agent applications, retrieval-augmented generation, and multi-tool orchestration. Review the official documentation for current setup requirements, limits, and terms.
Get started
Integration guide
npm install langchain @langchain/coreRead the official documentation and protect your credentials before using this in production.
Good fits
01agent applications
02retrieval-augmented generation
03multi-tool orchestration