{"endpoint":{"id":58,"url":"https://langchain-langchain-core-langsmit-d042fc.getvda.ai/.well-known/agent-card.json","host":"langchain-langchain-core-langsmit-d042fc.getvda.ai","kind":"a2a","first_seen":"2026-09-07T00:01:35+00:00","last_seen":"2026-09-07T19:10:11+00:00","last_probed_at":"2026-09-07T07:40:00+00:00","last_outcome":"connect-fail","last_score":60,"last_latency_ms":722,"last_http_status":200},"probes":[{"id":71542,"endpoint_id":58,"probed_at":"2026-09-07T07:40:00+00:00","probe_kind":"a2a","outcome":"connect-fail","http_status":200,"latency_ms":722,"protocol_version":"0.3.0","score":60,"capabilities":{"era":"0.3","skills_count":4,"skills":["orchestration","observability","llm-client","selftest"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0},"error":"card ok; interface connect-fail: h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED","meta":{"card_url":"https://langchain-langchain-core-langsmit-d042fc.getvda.ai/.well-known/agent-card.json","card":{"name":"LLM Observability & Orchestration Agent (Langchain)","version":"0.1.1","provider":{"organization":"VDA / GOSCE","url":"https://getvda.ai"},"documentationUrl":"https://langchain-langchain-core-langsmit-d042fc.getvda.ai/governance.md"},"missing_fields":[],"endpoint_url":"https://langchain-langchain-core-langsmit-d042fc.getvda.ai/a2a/","binding":"JSONRPC","vantage":"us-east-1"},"ip":"2607:f8b0:4004:c21::79"}]}