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Square API MCP server

Payments, orders, catalog, customers, inventory and bookings.

Square's Connect API from its OpenAPI spec: payments and refunds, orders, catalog items, customers, inventory, invoices, bookings, locations, team members, loyalty and gift cards, with your personal access token.

Why use the hosted one: Every endpoint of Square's API behind the gateway's search, with your own Square access token stored encrypted and sent only to Square.

Needs your Square access token: add it once in the dashboard (get one at Square). It is stored encrypted and sent only to that API.

Connect

claude mcp add --transport http hj-square-api https://mcp.hjlabs.in/mcp/square-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Create an API key and put it in place of YOUR_API_KEY. Step-by-step guides: claude.ai and ChatGPT connectors, Claude Code, Cursor, VS Code, Claude Desktop, Windsurf, Zed, OpenAI Codex CLI, Gemini CLI.

All 308 tools

Try asking

List today's payments at my main location and total them.

Usage and limits

Every account gets a free daily allowance of tool calls; connecting, listing and searching are not counted. See the limits. Only a tool that runs costs a call.

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