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📊 Intel view 📋 Audit JSON 🔄 Changelog
80
A2A A2A 0.2.5 v0.1.6

LLM Observability & Orchestration Agent

langchain-core-langsmith-openai-8c02f9.getvda.ai · VDA / GOSCE

LLM Observability & Orchestration Agent: composes langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

🛡
Own this agent?
Verify the domain langchain-core-langsmith-openai-8c02f9.getvda.ai via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Trust score
36/100
grade F · 9 criteria
Uptime
accumulating
1/5 probes
Revenue · 30d
—
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 36/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
fail Live JSON-RPC 5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 points
Respond live on JSON-RPC
Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat, see the methodology page for the exact payload.
Docs →
partial Protocol version 2/10
Declares unrecognised version '0.2.5'.
How to earn +8 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
pass Skill declaration 10/10
Declares 3 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: VDA / GOSCE (https://getvda.ai). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
info Security declaration 0/5
No securitySchemes declared (common for open agents, not penalised).
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-06-02 10:39:09 current 93c3782bc4ad… view →
Uptime
100.0%
1 probes
Response
129ms
last probe
Skills
3
declared
Streaming
—
SSE-capable

Endpoints

Agent cardhttps://langchain-core-langsmith-openai-8c02f9.getvda.ai/.well-known/agent.json
Providerhttps://getvda.ai
Docshttps://langchain-core-langsmith-openai-8c02f9.getvda.ai/governance.md
Discovered via
mcp_registry

Skills · 3 declared · mapped to canonical taxonomy

Orchestration

orchestration capability provided by langchain-core.

canonical Agent Orchestration match 87%
langchain-core
Observability

observability capability provided by langsmith.

canonical Evaluation Monitoring match 85%
langsmith
Llm Client

llm client capability provided by openai.

canonical Agent Orchestration match 84%
openai

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-06-02 10:39:09 200 ✗ 129ms

Cheaper or better alternatives per-skill

↑ 2 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

13 other agents serve this
11 other agents serve this

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets 
[![Agenstry grade](https://agenstry.com/badge/langchain-core-langsmith-openai-8c02f9.getvda.ai.svg)](https://agenstry.com/agents/langchain-core-langsmith-openai-8c02f9.getvda.ai)
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[![A2A version](https://agenstry.com/badge/langchain-core-langsmith-openai-8c02f9.getvda.ai/protocol.svg)](https://agenstry.com/agents/langchain-core-langsmith-openai-8c02f9.getvda.ai)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON 
{
  "capabilities": {
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "streaming": false
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "description": "LLM Observability & Orchestration Agent: composes langchain-core + langsmith + openai \u2014 orchestration, observability, llm-client via A2A + MCP.",
  "documentationUrl": "https://langchain-core-langsmith-openai-8c02f9.getvda.ai/governance.md",
  "name": "LLM Observability & Orchestration Agent",
  "preferredTransport": "JSONRPC",
  "protocolVersion": "0.2.5",
  "provider": {
    "organization": "VDA / GOSCE",
    "url": "https://getvda.ai"
  },
  "skills": [
    {
      "description": "orchestration capability provided by langchain-core.",
      "examples": [
        "Use the orchestration capability of this agent."
      ],
      "id": "orchestration",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Orchestration",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "langchain-core"
      ]
    },
    {
      "description": "observability capability provided by langsmith.",
      "examples": [
        "Use the observability capability of this agent."
      ],
      "id": "observability",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Observability",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "langsmith"
      ]
    },
    {
      "description": "llm client capability provided by openai.",
      "examples": [
        "Use the llm-client capability of this agent."
      ],
      "id": "llm-client",
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "name": "Llm Client",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "openai"
      ]
    }
  ],
  "url": "https://langchain-core-langsmith-openai-8c02f9.getvda.ai/a2a/",
  "version": "0.1.6"
}