deepagents

The batteries-included agent harness by LangChain — an opinionated, extensible agent runner built on LangGraph with sub-agents, filesystem access, context management, streaming, checkpointing, and support for any tool-calling LLM.

Connects to: LangGraph, LangSmith, Python, TypeScript, OpenAI, Anthropic · · MIT 25,509★

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/deepagents
• This harness as JSON: /api/harnesses/deepagents
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay