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halter73/modelcontextprotocol

Specification and documentation for the Model Context Protocol

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.

Languages

TypeScript92.2%JavaScript3.4%MDX2.2%HTML2.0%CSS0.1%
Other
Created November 22, 2025
Updated January 6, 2026
halter73/modelcontextprotocol | GitHunt