DEFINITION

MCP

Model Context Protocol

Definition

A protocol for connecting AI agents and LLMs to external tools, data sources, and services. MCPs define servers (tool providers) and clients (LLM applications) that communicate via standardized messages for tool discovery, invocation, and result handling.

Examples in the Wild

  • Example 1:Claude.ai MCP integration for connecting to custom tools
  • Example 2:ChatGPT MCP support for third-party tool providers
  • Example 3:mcp-use SDK for building MCP servers and clients

See it in action

View mcp-server-local-development-with-hot-reload Template →View mcp-cross-client-automated-testing Template →