MCP official registry API enters v0.1 freeze

The MCP registry is a community-driven directory of MCP servers, essentially an app store for MCP servers. As of the 2025-10-24 update, the Registry API has entered a v0.1 freeze, meaning no breaking changes for the next month or more, so integrators can implement support with confidence. The freeze applies only to v0.1; v0 development continues, and the team will use this period to validate the API in real integrations and gather feedback ahead of the generally available v1. The registry launched in preview on 2025-09-08, when breaking changes and data resets were still possible. For developers building client and server tools on the MCP protocol, this is the moment to start integrating against the stable v0.1 interface without chasing frequent changes. Integration includes publishing servers via the mcp-publisher CLI, with verification options including GitHub OAuth, GitHub OIDC, DNS verification, and HTTP verification; the registry validates namespace ownership at publish time.