{"endpoint":{"id":3912247,"url":"https://mcp.particle.pro/.well-known/agent-card.json","host":"mcp.particle.pro","kind":"a2a","first_seen":"2026-09-09T08:00:54+00:00","last_seen":"2026-09-10T02:35:02+00:00","last_probed_at":"2026-09-09T11:32:02+00:00","last_outcome":"http-error","last_score":null,"last_latency_ms":5830,"last_http_status":404,"last_inferred":0},"probes":[{"id":510866,"endpoint_id":3912247,"probed_at":"2026-09-09T11:32:02+00:00","probe_kind":"a2a","outcome":"http-error","http_status":404,"latency_ms":5830,"protocol_version":null,"score":null,"capabilities":{},"error":"HTTP 404","meta":{"card_url":"https://mcp.particle.pro/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"34.49.73.206"},{"id":355241,"endpoint_id":3912247,"probed_at":"2026-09-09T08:03:16+00:00","probe_kind":"a2a","outcome":"connect-fail","http_status":null,"latency_ms":785,"protocol_version":null,"score":null,"capabilities":{},"error":"WriteError: ","meta":{"vantage":"us-east-1"},"ip":"34.49.73.206"}]}