Model Context Protocol

Connect Deep Agents to tools and data from external servers with the Model Context Protocol. This page points to the LangChain MCP guide.

Model Context Protocol (MCP) is how agents discover and call tools that live on external servers. Deep Agents (including the CLI and deployments that load mcp.json) use MCP the same way as the rest of the LangChain stack.

MCP in LangChain

Full setup, transports, and usage for MCP with LangChain agents

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