{"endpoint":{"id":50739,"url":"https://agentarcade.top/api/mcp","host":"agentarcade.top","kind":"mcp","first_seen":"2026-09-07T00:06:37+00:00","last_seen":"2026-09-07T12:57:54+00:00","last_probed_at":"2026-09-07T07:31:42+00:00","last_outcome":"connect-fail","last_score":null,"last_latency_ms":null,"last_http_status":null},"probes":[{"id":59482,"endpoint_id":50739,"probed_at":"2026-09-07T07:31:42+00:00","probe_kind":"mcp","outcome":"connect-fail","http_status":null,"latency_ms":null,"protocol_version":null,"score":null,"capabilities":{},"error":"ProtocolError: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED","meta":{"vantage":"us-east-1"},"ip":null}]}