DictionaryArchitecture
Model Context Protocol (MCP)
A universal plug standard that lets AI apps connect to tools and data, like USB-C for AI.
Definition
An open protocol that connects AI applications to external tools, data, and prompts through MCP servers. The current specification version is 2026-07-28, which makes the protocol stateless with a server/discover method; MCP was donated to the Agentic AI Foundation on 2025-12-09.
Example
Add a GitHub MCP server to Claude Code with claude mcp add, and the agent can list issues and open pull requests.