MCP Registry

Official discovery registry for Model Context Protocol servers, with a browsable UI and a public API.

Free· Free and open sourceAgents

Best for

Pick MCP Registry if you're building agent tooling, an IDE integration, or publishing your own MCP server and need the upstream index.

Skip if

Skip it if you want a curated, opinionated marketplace of vetted agent tools rather than a raw registry feed.

The Official MCP Registry is the canonical index of Model Context Protocol servers — the bridge that lets agents like Claude, Cursor, and other MCP-aware clients plug into external tools, data sources, and APIs. It runs as a hosted registry at registry.modelcontextprotocol.io with a browsable web UI (filter by latest versions, paginate through recently updated entries) and a documented REST API so other tools and IDEs can pull live server metadata.

It's primarily for developers building or integrating MCP servers: maintainers publish servers and versions here, and client builders (agent IDEs, orchestration frameworks, marketplaces) consume the registry to surface installable connectors. The project is open source on GitHub, free to use, and supports multiple environments (production, staging, local) so teams can run their own mirror or test against a local instance before publishing.

Because this is infrastructure rather than a polished end-user product, expect rough edges: it's a registry, not a curated marketplace, so quality and abandonment vary server-by-server. But if you're working anywhere in the MCP ecosystem, this is the upstream source of truth.

Editor's take

This is plumbing, not product — but it's important plumbing. As MCP becomes the de facto interop standard for agent tools, the official registry is where every serious client will eventually pull from. Worth knowing about even if you never visit the page directly.

— The AI Tool Bible editorial team