MCP Server · DevTools & Code

Square MCP Server

Official hosted server connecting AI tools to the Square API platform (payments, customers, orders, catalog). Free to connect but transacts real money; needs a Square account.

Claude

Claude Code

OpenClaw

Hermes

Cursor

Any MCP Client

Documentation

Install in Claude / OpenClaw / Hermes

Add this snippet to your client's MCP config (claude_desktop_config.json for Claude Desktop, the MCP panel for OpenClaw, or the equivalent for Hermes). Restart the client to load the server.

{
  "mcpServers": {
    "square": {
      "url": "https://mcp.squareup.com/sse"
    }
  }
}

Available tools

consolidated API tools covering 25+ Square services (customers, orders, catalog, payments)

Compatibility

This MCP server works with any MCP-compatible client, including Claude Desktop, Claude Code, OpenClaw, Hermes, Cursor and Windsurf. Configuration syntax differs slightly between clients — check each tool's documentation.

isaWOW · Custom MCP Development

Need a custom MCP server for your stack?

We build private MCP servers wrapping your internal tools, APIs and databases — deployed into Claude, OpenClaw or Hermes for your team.

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