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Square MCP Server

Official Square server for payments, catalog, and orders.
Last updated July 18, 2026
PaymentsRemote · SSETypeScript101
GitHub

Overview

Square's official MCP server connects an agent to the Square API — payments, catalog items, orders, and customer records — either through Square's hosted remote endpoint or a locally run server.

Use cases

Look up a customer's order history from a Square account.
Create a catalog item or update pricing from an agent conversation.
Process or review a payment through natural-language instructions.

Install

{
  "mcpServers": {
    "mcp_square_api": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "https://mcp.squareup.com/sse"
      ]
    }
  }
}

FAQ

Not with the hosted remote endpoint — it authenticates directly with your Square account credentials via OAuth, no manual token management required.