The agent engineering platform
Build resilient language agents as graphs.
Python SDK for AI agent monitoring, LLM cost tracking, benchmarking, and more. Integrates with most LLMs and agent frameworks including CrewAI, Agno, OpenAI Agents SDK, Langchain, Autogen, AG2, and CamelAI
Anthropic integrations for LangChain.js
Building applications with LLMs through composability
Community contributed LangChain integrations.
Make Anthropic Model Context Protocol (MCP) tools compatible with LangChain and LangGraph agents.
Core LangChain.js abstractions and schemas