Official MCP RegistryHosted servermcp.squareup.comoauthVerified in vendor docs

Square

Programmatic access to the Square API platform (customers, orders, catalog, payments).

Connect to Claude Code

Copy

claude mcp add --transport sse square https://mcp.squareup.com/sse

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Endpoint verified in the vendor's official documentation: developer.squareup.com/docs/mcp