We now have a lightweight library for building swarm-style multi-agent systems with LangGraph. Key features include:

• Multi-agent collaboration capabilities that enable specialized agents to work together and hand off context to each other

• Customizable handoff tools with built-in tools for communication between agents

The library is available via pip install langgraph-swarm for Python and npm install @langchain/langgraph-swarm for JavaScript.

Python repo:
https://github.com/langchain-ai/langgraph-swarm-py

JavaScipt repo:
https://github.com/langchain-ai/langgraphjs/tree/main/libs/langgraph-swarm