{"entry":{"slug":"square-mcp","name":"Square MCP","category":"mcp","summary":"Square catalog, orders, payments and customers.","description":"Official Square remote MCP server. Covers catalog, inventory, orders, payments and customer records for the connected Square merchant.","auth_mode":"OAuth 2.1","endpoint":"https://mcp.squareup.com/sse","docs_url":"https://developer.squareup.com/docs/mcp","tags":["payments","square","commerce","pos"],"capabilities":["payments.read","catalog.write","orders.read"],"auth_params":[],"input_format":"JSON-RPC 2.0 (MCP)","output_format":"JSON-RPC 2.0 (MCP), SSE or JSON","rate_limit":"","pricing":"","invocation_example":"curl -sS -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\":\"tools/list\",\"params\":{}}'","verified":false,"verified_at":null,"featured":false,"checks_total":58,"checks_ok":58,"avg_latency_ms":27,"reports_count":0,"health_ok":true,"health_status_code":401,"health_checked_at":"2026-11-01T20:17:14.034+00:00","health_latency_ms":23,"probe_url":null},"watch":{"hint":"Follow \"square-mcp\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"square-mcp\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}