Agent MCP Directory

MCP registry

MCP registry: A catalog of MCP server metadata that clients and directories read; the official one is registry.modelcontextprotocol.io. Example: The official registry has been in preview since 8 Sep 2025. Next in the glossary is MCP server: A program that exposes tools, resources or prompts to MCP clients over stdio or Streamable HTTP.

Definition

A catalog of MCP server metadata that clients and directories read; the official one is registry.modelcontextprotocol.io.

Example, with source

The official registry has been in preview since 8 Sep 2025. (github.com, read 4 November 2026)

Where it appears on this site

Neighbouring terms

  • MCP host: The LLM application that starts client connections and asks the user for consent.
  • MCP server: A program that exposes tools, resources or prompts to MCP clients over stdio or Streamable HTTP.
  • MCP server portal: Cloudflare's product that puts many MCP servers behind one authenticated endpoint with per-tool controls.