# MCP Registry: AI Tool Listing, MCP servers only, free (registry.modelcontextprotocol.io)

> MCP Registry is an AI directory at registry.modelcontextprotocol.io. It lists AI products, with a rule: MCP servers only. Listing is free. Review: no review before publishing; moderation is minimal and only illegal content, malware, spam and broken servers are removed. Terms read on registry.modelcontextprotocol.io on 3 October 2026.

Official registry of MCP servers. It stores metadata only, so the server package must first be published on npm, PyPI or another package registry, and publishing needs a GitHub login or a domain check. It is in preview.

- Site: https://registry.modelcontextprotocol.io/
- Kind: AI directories
- Verdict: MCP servers only
- Price: No fee; publish with the mcp-publisher command-line tool
- Link you get: not stated
- Review: No review before publishing; moderation is minimal and only illegal content, malware, spam and broken servers are removed
- Reach: huge (#11871 by traffic in the Tranco top million; #1239 by links in Common Crawl's web graph)
- How to submit: a form; the link or address shows on the page for signed-in visitors (https://listaify.com/login, free)
- Run by: Model Context Protocol project
- Lists: every kind of AI product
- Their rule: https://modelcontextprotocol.io/registry/quickstart
- Checked: 2026-10-03

Page: https://listaify.com/places/mcp-registry

---
Source: Listaify, https://listaify.com. Every fact is read on the place's own pages on the date shown. Map of the site: https://listaify.com/llms.txt