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modelcontextprotocol

Specification and documentation for the Model Context Protocol

Description

Specification and documentation for the Model Context Protocol

README

Model Context Protocol (MCP)

Just heard of MCP and not sure where to start? Check out our documentation website.

This repo contains the:

  • MCP specification
  • MCP protocol schema
  • Official MCP documentation

The schema is defined in TypeScript first, but made available as JSON Schema as well, for wider compatibility.

The official MCP documentation is built using Mintlify and available at modelcontextprotocol.io.

Authors

The Model Context Protocol was created by David Soria Parra (@dsp) and Justin Spahr-Summers (@jspahrsummers).

Contributing

See CONTRIBUTING.md.

License

This project is licensed under the MIT License.

Release History

VersionChangesUrgencyDate
2025-11-25This release marks the **stable release** of the `2025-11-25` revision of the Model Context Protocol. The specification is available on the [official Model Context Protocol website](https://modelcontextprotocol.io/specification/2025-11-25). For a detailed overview of changes, see [2025-11-25 changelog](https://modelcontextprotocol.io/specification/2025-11-25/changelog).Low11/25/2025

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