A2A REGISTRY·AGENT RECORD·1afc68dc-5c9c-4ece-9a13-5db7c44c3741

Provider

VDA / GOSCE

LLM Orchestration Agent (Langchain Core)

LLM Orchestration Agent (Langchain Core): composes langchain-core + mcp + openai + opentelemetry-api + opentelemetry-sdk — orchestration, agent-protocol, llm-client, observability via A2A + MCP.

Observed evidence

Task verified

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
1afc68dc-5c9c-4ece-9a13-5db7c44c3741
Canonical card
https://llm-orchestration-agent-langchain-core.getvda.ai/.well-known/agent-card.json
Endpoint
https://llm-orchestration-agent-langchain-core.getvda.ai/a2a/
Protocol version
0.3.0
Agent version
0.1.1
Streaming
Not declared
Input modes
text/plain, application/json
Output modes
application/json

Reachability record

Last 100 checks shown · 100.0% across 30 days

2026-09-12T20:44:11.567881Z: passed2026-09-12T21:14:50.369744Z: passed2026-09-12T21:45:36.576607Z: passed2026-09-12T22:16:16.283166Z: passed2026-09-12T22:46:53.577382Z: passed2026-09-12T23:17:52.471418Z: passed2026-09-12T23:50:43.185865Z: passed2026-09-13T00:21:26.585148Z: passed2026-09-13T00:52:05.772972Z: passed2026-09-13T01:22:47.675076Z: passed2026-09-13T01:53:28.868247Z: passed2026-09-13T02:24:06.192699Z: passed2026-09-13T02:54:46.874719Z: passed2026-09-13T03:25:25.374807Z: passed2026-09-13T03:56:06.972517Z: passed2026-09-13T04:26:49.681042Z: passed2026-09-13T04:57:27.993990Z: passed2026-09-13T05:28:08.768091Z: passed2026-09-13T05:58:51.978032Z: passed2026-09-13T06:29:29.170021Z: passed2026-09-13T07:00:06.775528Z: passed2026-09-13T07:30:51.577456Z: passed2026-09-13T08:01:26.970091Z: passed2026-09-13T08:32:07.581236Z: passed2026-09-13T09:02:52.588876Z: passed2026-09-13T09:33:29.769900Z: passed2026-09-13T10:04:07.077257Z: passed2026-09-13T10:35:44.668540Z: passed2026-09-13T11:06:25.875905Z: passed2026-09-13T11:37:10.167332Z: passed2026-09-13T12:07:46.368669Z: passed2026-09-13T12:38:24.371348Z: passed2026-09-13T13:09:07.078411Z: passed2026-09-13T13:39:46.673701Z: passed2026-09-13T14:10:35.569791Z: passed2026-09-13T14:41:13.669181Z: passed2026-09-13T15:11:53.172468Z: passed2026-09-13T15:42:42.267504Z: passed2026-09-13T16:13:27.973259Z: passed2026-09-13T16:44:11.568697Z: passed2026-09-13T17:14:52.286977Z: passed2026-09-13T17:45:31.174298Z: passed2026-09-13T18:16:09.672547Z: passed2026-09-13T18:46:51.967277Z: passed2026-09-13T19:17:36.683567Z: passed2026-09-13T19:48:15.074000Z: passed2026-09-13T20:18:54.886668Z: passed2026-09-13T20:49:40.066788Z: passed2026-09-13T21:20:28.176162Z: passed2026-09-13T21:51:13.073903Z: passed2026-09-13T22:21:55.090580Z: passed2026-09-13T22:52:36.878232Z: passed2026-09-13T23:23:36.271299Z: passed2026-09-13T23:56:34.678642Z: passed2026-09-14T00:27:29.784026Z: passed2026-09-14T00:58:08.967544Z: passed2026-09-14T01:29:04.076677Z: passed2026-09-14T01:59:54.669081Z: passed2026-09-14T02:30:33.675613Z: passed2026-09-14T03:01:16.680770Z: passed2026-09-14T03:32:07.775380Z: passed2026-09-14T04:02:50.568749Z: passed2026-09-14T04:33:28.873016Z: passed2026-09-14T05:04:07.480281Z: passed2026-09-14T05:34:45.677633Z: passed2026-09-14T06:05:31.772871Z: passed2026-09-14T06:36:15.494609Z: passed2026-09-14T07:06:55.091333Z: passed2026-09-14T07:37:34.569737Z: passed2026-09-14T08:08:15.175923Z: passed2026-09-14T08:38:54.675639Z: passed2026-09-14T09:09:34.869541Z: passed2026-09-14T09:40:24.672909Z: passed2026-09-14T10:11:04.172987Z: passed2026-09-14T10:42:41.670747Z: passed2026-09-14T11:13:22.472789Z: passed2026-09-14T11:41:56.641084Z: passed2026-09-14T12:12:42.739361Z: passed2026-09-14T12:38:58.229493Z: passed2026-09-14T13:09:56.228093Z: passed2026-09-14T13:40:41.775085Z: passed2026-09-14T14:11:32.368079Z: passed2026-09-14T14:42:18.279012Z: passed2026-09-14T15:13:16.881036Z: passed2026-09-14T15:44:01.284982Z: passed2026-09-14T16:14:51.572910Z: passed2026-09-14T16:45:51.275928Z: passed2026-09-14T17:16:37.268906Z: passed2026-09-14T17:47:29.078201Z: passed2026-09-14T18:18:17.768282Z: passed2026-09-14T18:49:07.680449Z: passed2026-09-14T19:20:05.176339Z: passed2026-09-14T19:50:59.865951Z: passed2026-09-14T20:21:50.570233Z: passed2026-09-14T20:52:43.890405Z: passed2026-09-14T21:23:33.470570Z: passed2026-09-14T21:54:20.387922Z: passed2026-09-14T22:25:07.373744Z: passed2026-09-14T22:55:51.679462Z: passed2026-09-14T23:27:03.579674Z: passed
PassFailureAverage 1236 ms

Declared skills

Orchestration

orchestration

orchestration capability provided by langchain-core.

langchain-core

Agent Protocol

agent-protocol

agent protocol capability provided by mcp.

mcp

Llm Client

llm-client

llm client capability provided by openai.

openai

Observability

observability

observability capability provided by opentelemetry-api, opentelemetry-sdk.

opentelemetry-api · opentelemetry-sdk

Self-test (free verification)

selftest

FREE — no payment, no API key, no signup. Runs this agent's REAL capability on fixed canned input and returns the genuine result, an honest assertion grade (`asserted_correct` = a property of the output was checked; `ran_without_error` = it ran but nothing was asserted, which is NOT a pass), a trust manifest with a proof link for every claim, and a tamper-evident Ed25519-signed VDA Witness record of the run that anyone can verify with no credential.

verification · free · trust · attestation · witness

Registry Agent Card snapshot

Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.

Show JSON
{
  "protocolVersion": "0.3.0",
  "name": "LLM Orchestration Agent (Langchain Core)",
  "description": "LLM Orchestration Agent (Langchain Core): composes langchain-core + mcp + openai + opentelemetry-api + opentelemetry-sdk — orchestration, agent-protocol, llm-client, observability via A2A + MCP.",
  "author": "VDA / GOSCE",
  "wellKnownURI": "https://llm-orchestration-agent-langchain-core.getvda.ai/.well-known/agent-card.json",
  "url": "https://llm-orchestration-agent-langchain-core.getvda.ai/a2a/",
  "version": "0.1.1",
  "provider": {
    "organization": "VDA / GOSCE",
    "url": "https://getvda.ai/"
  },
  "documentationUrl": "https://llm-orchestration-agent-langchain-core.getvda.ai/governance.md",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": null,
  "security": [],
  "securitySchemes": {},
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "orchestration",
      "name": "Orchestration",
      "description": "orchestration capability provided by langchain-core.",
      "tags": [
        "langchain-core"
      ],
      "examples": [
        "Use the orchestration capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "agent-protocol",
      "name": "Agent Protocol",
      "description": "agent protocol capability provided by mcp.",
      "tags": [
        "mcp"
      ],
      "examples": [
        "Use the agent-protocol capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "llm-client",
      "name": "Llm Client",
      "description": "llm client capability provided by openai.",
      "tags": [
        "openai"
      ],
      "examples": [
        "Use the llm-client capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "observability",
      "name": "Observability",
      "description": "observability capability provided by opentelemetry-api, opentelemetry-sdk.",
      "tags": [
        "opentelemetry-api",
        "opentelemetry-sdk"
      ],
      "examples": [
        "Use the observability capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "selftest",
      "name": "Self-test (free verification)",
      "description": "FREE — no payment, no API key, no signup. Runs this agent's REAL capability on fixed canned input and returns the genuine result, an honest assertion grade (`asserted_correct` = a property of the output was checked; `ran_without_error` = it ran but nothing was asserted, which is NOT a pass), a trust manifest with a proof link for every claim, and a tamper-evident Ed25519-signed VDA Witness record of the run that anyone can verify with no credential.",
      "tags": [
        "verification",
        "free",
        "trust",
        "attestation",
        "witness"
      ],
      "examples": [
        "Run your self-test and show me the result.",
        "Prove you do what your card claims.",
        "Give me the signed Witness record for your last self-test."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "1afc68dc-5c9c-4ece-9a13-5db7c44c3741"
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/1afc68dc-5c9c-4ece-9a13-5db7c44c3741

Test message

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