Cross Domain · specification · Model Context Protocol project (Agentic AI Foundation, Linux Foundation), Registry Working Group

MCP Registry and server.json

The MCP Registry gives MCP clients a list of MCP servers, and server.json is the standardized file that describes an MCP server for registry publishing, client discovery and package management. The registry launched in preview on 8 September 2025 and its API entered a v0.1 freeze on 24 October 2025. It is developed in the modelcontextprotocol/registry repository by a Registry Working Group; the latest release is v1.8.5 (26 October 2026). The MCP project is moving from MIT to Apache 2.0.

registry.modelcontextprotocol.i...The standard

Model Context Protocol project (Agentic AI Foundation, Linux Foundation), Registry Working GroupGoverning body

2025First published

v1.8.5 (released 26 October 2026); Re...Current version

Yes — JSON Schema (server.schema.json)Machine-readable schema · open

1tagged with it

Also known as Official MCP Registry, server.json, MCP server.json.

Providers that carry MCP Registry 1

These providers' own APIs.json profiles carry MCP Registry as a tag — the provider's statement that the standard is part of what it does. APIs.io has not verified the implementation on this page; the de facto profiles on this site are where that measurement exists. Ordered by Kin Score.

Kongexemplar · 73.2

Read from the API Evangelist standards directory, facts verified 2026-10-26. Provider links come from the catalog's own identity tags and are rebuilt nightly. If this page is wrong about a standard or a provider, say so.