MCP publishers
Publishers and namespaces
Who publishes MCP servers, and what a registry namespace proves.
Questions and answers
- Who publishes the most MCP servers?
- The GitHub account pipeworx-io (1,022), the GitHub account mcp-dir (741) and the GitHub account mrfentmen (687) have the most servers with a page here, by registry namespace. All publishers →
- How does the MCP Registry verify who published a server?
- By the namespace: io.github.<account> names need a GitHub sign-in as that account, and reversed-domain names need proof of control of the domain, by a DNS record or a file on its website. Here 17,729 servers use a GitHub namespace and 10,806 a domain namespace. Namespace →
Sources: Official MCP Registry (read 2026-10-04). All questions · MCP server publishers: A-H · MCP server publishers: I-P · MCP server publishers: P-X