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
Copyclaude mcp add --transport sse square https://mcp.squareup.com/sseVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://mcp.squareup.com/ssesse
Endpoint verified in the vendor's official documentation: developer.squareup.com/docs/mcp