MCP tool design patterns

Explore MCP servers linked by AI app stores: authentication status, observed tool schemas, linked apps and toolset version history.

Catalog coverage

• ChatGPT: 6651 observed apps; latest collection 2026-10-13T21:07:07+00:00.
• Claude: 4308 observed apps; latest collection 2026-10-13T21:07:23+00:00.
• Cursor: 5658 observed apps; latest collection 2026-10-13T21:07:33+00:00.

1738 linked MCP servers; 434 toolset snapshots. Only anonymously observable schemas are recorded.

Data as of 2026-10-13T21:07:07+00:00.

OpenApps records store listings and observed changes. Store ranks are not download counts; launch dates may be derived or use the first observation. Coverage gaps are shown in the interactive catalog.

REST API specification · Guide for AI clients · Manage API keys and MCP connections