What is the Square remote MCP server?
The Square remote MCP server is a hosted Model Context Protocol endpoint at https://mcp.squareup.com/sse, so AI assistants can connect to it without installing or running anything locally.
Square MCP Server
@Square
Basic information
About Square MCP Server
Square is a commerce platform for transactions, merchants, customers, inventory, payments, and sales reporting. Its connector gives assistants business-operations context for payment data, point-of-sale workflows, financial reports, and customer profiles.
Connection details
https://mcp.squareup.com/sseSetup
claude mcp add square --transport http https://mcp.squareup.com/sseSquare MCP Server tools
Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
This server requires authentication. Tool discovery may require signing in or credentials from the provider.
Fetch the live tool list directly from this server's endpoint using the button above.
Frequently asked questions
How do I connect to the Square MCP server?
Add the endpoint https://mcp.squareup.com/sse to any MCP-compatible client such as Claude Code, Cursor, or VS Code. The setup snippets on this page configure each client in one step.
Does the Square MCP server require authentication?
Yes. Square uses OAuth: the first time you connect, your MCP client opens a browser window to sign in and authorize access, then reuses the credentials for future sessions.
Which transport does the Square MCP server use?
Square exposes a HTTP+SSE endpoint, the transport used by remote MCP servers and supported by all major MCP clients.
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