{"endpoint":{"id":148076,"url":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5-4k","host":"gpt55.558686.xyz","kind":"mcp","first_seen":"2026-09-07T01:22:07+00:00","last_seen":"2026-09-08T07:31:59+00:00","last_probed_at":"2026-09-07T13:08:32+00:00","last_outcome":"protocol-mismatch","last_score":30,"last_latency_ms":789,"last_http_status":404},"probes":[{"id":247901,"endpoint_id":148076,"probed_at":"2026-09-07T13:08:32+00:00","probe_kind":"mcp","outcome":"protocol-mismatch","http_status":404,"latency_ms":789,"protocol_version":null,"score":30,"capabilities":{},"error":"initialize error {'message': 'Not found', 'type': 'not_found'}","meta":{"final_url":"https://gpt55.558686.xyz/v1/chat/completions/gpt-5.5-4k","vantage":"us-east-1"},"ip":"104.21.86.68"}]}