Using MCP with LangGraph agents

LangChain · Beginner ·🤖 AI Agents & Automation ·1y ago

Skills: LLM Engineering90%Agent Foundations70%

Anthropic's Model Context Protocol (MCP) is an open source protocol to connect LLMs with context, tools, and prompts. It has a growing number of "servers" for connecting to various tools or data sources. Here, we show how to connect any MCP server to LangGraph agents, and use MCP tools. Repo: https://github.com/langchain-ai/langchain-mcp-adapters MCP servers: https://github.com/modelcontextprotocol/servers Learn how to build agents with LangGraph on LangChain Academy: https://academy.langchain.com/?utm_medium=social&utm_source=youtube&utm_campaign=q4-2025_youtube-academy-links_aw Observe, evaluate, and deploy agents with LangSmith: https://smith.langchain.com/?utm_medium=social&utm_source=youtube&utm_campaign=q4-2025_youtube-links_aw Timestamps: 00:00 - Introduction to Model Context Protocol 00:45 - Creating a Simple MCP Math Server 01:20 - Connecting MCP to LangGraph Agents 02:00 - Tool Execution and LangSmith Tracing 03:00 - Multi-Server Support and Model Flexibility 04:00 - MCP Architecture Overview 05:00 - Exploring the MCP Server Ecosystem

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Chapters (7)

Introduction to Model Context Protocol

0:45 Creating a Simple MCP Math Server

1:20 Connecting MCP to LangGraph Agents

2:00 Tool Execution and LangSmith Tracing

3:00 Multi-Server Support and Model Flexibility

4:00 MCP Architecture Overview

5:00 Exploring the MCP Server Ecosystem

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