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Square

https://mcp.squareup.com/sse
● degraded

Official Square MCP: payments, catalog, orders and customers. Requires Square OAuth.

Transport
sse
Auth
oauth
Cost
—

How to connect

MCP endpoint (sse)
https://mcp.squareup.com/sse
JSON-RPC initialize probe
curl -X POST https://mcp.squareup.com/sse \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'
Homepage
https://squareup.com
Source code
https://github.com/square/square-mcp-server
Listed at (official-remote)
https://squareup.com