Square MCP server
Payments, catalog, customers and orders in Square. Run by Square.
Work with payments, orders, customers, catalog items, inventory and bookings in a Square account.
Access: OAuth only: add it to your client directly. Vendor documentation
Server address: https://mcp.squareup.com/sse
Use it through the gateway
Square only accepts a browser sign-in, which this gateway cannot relay yet. Add it straight to your client instead; Claude Code, Cursor and VS Code open the sign-in for you:
claude mcp add --transport http square https://mcp.squareup.com/sseA third-party server: Square's terms apply, and its tool descriptions are text in front of your assistant. Connect only servers you trust.