GH Repository · langchain-ai
deepagents
The batteries-included agent harness.
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Pythonharness-engineeringharnesstypescriptpythonailanggraphlangchainagent-frameworkdeepagents
deepagents is a batteries-included agent harness from the LangChain team, available in Python and TypeScript. It builds on LangChain and LangGraph and ships with agents.md and MCP config support.
Use it when you want a ready-made harness for building agents on LangGraph instead of assembling the pieces yourself.
Use it to
- Build agents on LangChain/LangGraph
- Configure agents via agents.md
- Wire up MCP servers with shipped config
- Prototype agent harnesses in Python or TypeScript
For Developers building agents with the LangChain ecosystem
- Role
- agent-framework
- Language
- Python
- Licence
- MIT
- Forks
- 4,136
- Open issues
- 151
- Last push
- 2026-09-17
- Latest release
- deepagents==0.2.5 · 2025-11-04
topicsagentslangchainlanggraphharnesspythontypescript