MCP Registry
Official community-driven registry service and API that lists Model Context Protocol servers for MCP clients, like an app store for servers.
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Use cases
About MCP Registry
MCP Registry is listed in our MCP servers category and is aimed at builders. Official community-driven registry service and API that lists Model Context Protocol servers for MCP clients, like an app store for servers. Pricing, as the maker states it: Free and open source (Apache-2.0, transitioning from MIT); public registry API free. Maturity: Mature. We last checked the official link on 2026-10-21.
What is MCP Registry?
The MCP Registry is the official, community-driven registry service for Model Context Protocol servers, run under the modelcontextprotocol project. It gives MCP clients a list of available servers, like an app store, and an API (registry.modelcontextprotocol.io) that clients and sub-registries can build on.
Server authors publish their own entries, and a working group with members from Stacklok, PulseMCP and others maintains it. It launched in preview in September 2025 and its v0.1 API was frozen in October 2025 so integrators could build against a stable contract while work continues towards general availability.
Sources: the official README and our directory listing, checked 2026-10-21. Official site: github.com/modelcontextprotocol/registry.
Who is MCP Registry for?
MCP client developers who need a source of servers, and MCP server authors who want to be discoverable.
MCP Registry at a glance
- Open source: Yes (Apache License 2.0 (transitioning from MIT))
- GitHub: modelcontextprotocol/registry · 7,389 stars · 1,031 forks (as of Oct 21, 2026)
Key features
- Official list of MCP servers with a public API
- Self-publishing for server authors
- Basis for client app stores and sub-registries
- Stable v0.1 API
- Run as an open community project
MCP Registry FAQ
What is MCP Registry?
The MCP Registry is the official, community-driven registry service for Model Context Protocol servers, run under the modelcontextprotocol project. It gives MCP clients a list of available servers, like an app store, and an API (registry.modelcontextprotocol.io) that clients and sub-registries can build on.
Who is MCP Registry for?
MCP client developers who need a source of servers, and MCP server authors who want to be discoverable.
Is MCP Registry free?
MCP Registry's pricing, as the maker states it: Free and open source (Apache-2.0, transitioning from MIT); public registry API free. Check the official site for current plans.
Is MCP Registry open source?
Yes. MCP Registry is released under the Apache License 2.0 (transitioning from MIT), according to its GitHub repository.
Is the MCP Registry free?
Yes. The code is open source (Apache-2.0, transitioning from MIT) and the public registry API is free to use.
What are alternatives to MCP Registry?
Similar tools include MCP reference servers, MCP Python SDK, MCP Rust SDK, Smithery, trivago MCP and MCP Go SDK.
MCP Registry ratings and reviews
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MCP Registry alternatives
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MCP Python SDK
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MCP Rust SDK
Official Rust SDK for the Model Context Protocol.
Smithery
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MCP Go SDK
Official Go SDK for building Model Context Protocol servers and clients, maintained with Google.
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