{"endpoint":{"id":41608,"url":"https://402signal.com/mcp","host":"402signal.com","kind":"mcp","first_seen":"2026-09-07T00:05:04+00:00","last_seen":"2026-09-07T06:51:59+00:00","last_probed_at":"2026-09-07T06:39:10+00:00","last_outcome":"connect-fail","last_score":null,"last_latency_ms":10},"probes":[{"id":37980,"endpoint_id":41608,"probed_at":"2026-09-07T06:39:10+00:00","probe_kind":"mcp","outcome":"connect-fail","http_status":null,"latency_ms":10,"protocol_version":null,"score":null,"capabilities":{},"error":"LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED","meta":{},"ip":"2a09:8280:1::17e:fe8a:0"}]}