The agent engineering platform.
LangChain is a framework for building software agents and applications powered by large language models, using reusable components and integrations. Developers use it to connect models, tools, and other services when creating AI applications and agent workflows. The catalogue includes MCP integrations and instructions related to LangChain.
These files are langchain-ai/langchain's own configuration. They tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.
AGENTS.md A 4,469 tok CLAUDE.md A 4,469 tok