{"endpoint":{"id":307,"url":"https://gpt55.558686.xyz/.well-known/agent-card.json","host":"gpt55.558686.xyz","kind":"a2a","first_seen":"2026-09-07T00:01:37+00:00","last_seen":"2026-09-08T19:55:40+00:00","last_probed_at":"2026-09-08T17:12:06+00:00","last_outcome":"protocol-mismatch","last_score":90,"last_latency_ms":713,"last_http_status":200},"probes":[{"id":353287,"endpoint_id":307,"probed_at":"2026-09-08T17:12:06+00:00","probe_kind":"a2a","outcome":"protocol-mismatch","http_status":200,"latency_ms":713,"protocol_version":"1.0","score":90,"capabilities":{"era":"1.0","skills_count":5,"skills":["gpt55-chat-completions","gpt55-translate","gpt55-x402-buyer-shortlist","gpt55-wallet-signing-safety-pack","gpt55-x402-mcp-integration-kit"],"streaming":false,"push_notifications":null,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0},"error":"card says 1.0, server speaks 0.3 (message/send works)","meta":{"card_url":"https://gpt55.558686.xyz/.well-known/agent-card.json","card":{"name":"GPT55 Model Gateway","version":"1.0.0","provider":{"organization":"gpt55-token-gateway","url":"https://gpt55.558686.xyz"},"documentationUrl":"https://gpt55.558686.xyz/llms.txt"},"missing_fields":[],"endpoint_url":"https://gpt55.558686.xyz/a2a","binding":"JSONRPC","endpoint_status":200,"a2a_error":-32601,"detail":"card-version-wrong","server_era":"0.3","vantage":"us-east-1"},"ip":"104.21.86.68"},{"id":249844,"endpoint_id":307,"probed_at":"2026-09-07T16:13:25+00:00","probe_kind":"a2a","outcome":"protocol-mismatch","http_status":200,"latency_ms":1369,"protocol_version":"1.0","score":90,"capabilities":{"era":"1.0","skills_count":5,"skills":["gpt55-chat-completions","gpt55-translate","gpt55-x402-buyer-shortlist","gpt55-wallet-signing-safety-pack","gpt55-x402-mcp-integration-kit"],"streaming":false,"push_notifications":null,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0},"error":"card says 1.0, server speaks 0.3 (message/send works)","meta":{"card_url":"https://gpt55.558686.xyz/.well-known/agent-card.json","card":{"name":"GPT55 Model Gateway","version":"1.0.0","provider":{"organization":"gpt55-token-gateway","url":"https://gpt55.558686.xyz"},"documentationUrl":"https://gpt55.558686.xyz/llms.txt"},"missing_fields":[],"endpoint_url":"https://gpt55.558686.xyz/a2a","binding":"JSONRPC","endpoint_status":200,"a2a_error":-32601,"detail":"card-version-wrong","server_era":"0.3","vantage":"us-east-1"},"ip":"104.21.86.68"}]}