F grade
connect-fail
60 score
722 ms
0.3.0 version
0.0% uptime over 1 probes
AS15169 GOOGLE - Google LLC, US · US
https://langchain-langchain-core-langsmit-d042fc.getvda.ai/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-07 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| A2A Registry (a2aregistry.org) | LLM Observability & Orchestration Agent (Langchain) | LLM Observability & Orchestration Agent (Langchain): composes langchain + langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A | https://langchain-langchain-core-langsmit-d042fc.getvda.ai/. |
| Agenstry | LLM Observability & Orchestration Agent (Langchain) | a2a_agent:langchain-langchain-core-langsmit-d042fc.getvda.ai |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 1 · 1 alive robots × 1 sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/58"><img src="https://agentprobe.org/badge/58.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-07 07:40 | connect-fail | 60 | 200 | 722 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":4,"skills":["orchestration","observability","llm-client","selftest"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}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"} | card ok; interface connect-fail: h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED |