{"endpoint":{"id":50665,"url":"https://mcp.zip-tax.com/sse","host":"mcp.zip-tax.com","kind":"mcp","first_seen":"2026-09-07T00:06:37+00:00","last_seen":"2026-09-15T05:10:12+00:00","last_probed_at":"2026-09-14T14:21:59+00:00","last_outcome":"ok","last_score":100,"last_latency_ms":394,"last_http_status":200,"last_inferred":0},"probes":[{"id":1077471,"endpoint_id":50665,"probed_at":"2026-09-14T14:21:59+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":394,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":2,"tools":["get_account_metrics","lookup_tax_rate"],"tools_more":false},"error":null,"meta":{"final_url":"https://mcp.zip-tax.com/sse","era":"legacy","initialized_status":202,"server_info":{"name":"ZipTax Sales Tax API","version":"1.0.1"},"server_capabilities":{"tools":{}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"100.52.68.101"},{"id":902648,"endpoint_id":50665,"probed_at":"2026-09-13T13:01:32+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":313,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":2,"tools":["get_account_metrics","lookup_tax_rate"],"tools_more":false},"error":null,"meta":{"final_url":"https://mcp.zip-tax.com/sse","era":"legacy","initialized_status":202,"server_info":{"name":"ZipTax Sales Tax API","version":"1.0.1"},"server_capabilities":{"tools":{}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"100.52.68.101"},{"id":792642,"endpoint_id":50665,"probed_at":"2026-09-12T12:03:15+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":681,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":2,"tools":["get_account_metrics","lookup_tax_rate"],"tools_more":false},"error":null,"meta":{"final_url":"https://mcp.zip-tax.com/sse","era":"legacy","initialized_status":202,"server_info":{"name":"ZipTax Sales Tax API","version":"1.0.1"},"server_capabilities":{"tools":{}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"100.52.68.101"},{"id":683629,"endpoint_id":50665,"probed_at":"2026-09-11T11:08:05+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":586,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":2,"tools":["get_account_metrics","lookup_tax_rate"],"tools_more":false},"error":null,"meta":{"final_url":"https://mcp.zip-tax.com/sse","era":"legacy","initialized_status":202,"server_info":{"name":"ZipTax Sales Tax API","version":"1.0.1"},"server_capabilities":{"tools":{}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"100.52.68.101"},{"id":575555,"endpoint_id":50665,"probed_at":"2026-09-10T10:05:41+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":798,"protocol_version":"2025-11-25","score":100,"capabilities":{"tools_count":2,"tools":["get_account_metrics","lookup_tax_rate"],"tools_more":false},"error":null,"meta":{"final_url":"https://mcp.zip-tax.com/sse","era":"legacy","initialized_status":202,"server_info":{"name":"ZipTax Sales Tax API","version":"1.0.1"},"server_capabilities":{"tools":{}},"transport":"streamable-http","http_version":"HTTP/1.1","vantage":"us-east-1"},"ip":"100.52.68.101"},{"id":380219,"endpoint_id":50665,"probed_at":"2026-09-09T09:11:57+00:00","probe_kind":"mcp","outcome":"ok","http_status":200,"latency_ms":1236,"protocol_version":"2025-11-25","score":70,"capabilities":{},"error":null,"meta":{"final_url":"https://mcp.zip-tax.com/sse","era":"legacy","initialized_status":202,"server_info":{"name":"ZipTax Sales Tax API","version":"1.0.1"},"server_capabilities":{"tools":{}},"transport":"streamable-http","vantage":"us-east-1"},"ip":"100.52.68.101"},{"id":274262,"endpoint_id":50665,"probed_at":"2026-09-08T08:09:56+00:00","probe_kind":"mcp","outcome":"connect-fail","http_status":null,"latency_ms":522,"protocol_version":null,"score":null,"capabilities":{},"error":"WriteError: ","meta":{"vantage":"us-east-1"},"ip":"100.52.68.101"},{"id":59371,"endpoint_id":50665,"probed_at":"2026-09-07T07:31:39+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}]}