langgraph

Library for building stateful, resilient multi-agent applications as graphs with cycles, persistence, and human-in-the-loop control.

Connects to: OpenAI, Anthropic · Python · MIT 35,047★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/langchain-ai/langgraph
• This harness as JSON: /api/harnesses/langgraph
• Agent setup: /setup.md
• Browse all 370+ harnesses on Loadbay