A2A REGISTRY·AGENT RECORD·774a1ba9-c1be-4b6e-ad9b-164218721934

Provider

VDA / GOSCE

Secured LangChain OpenAI Agent

Secured LangChain OpenAI Agent: composes bcrypt + langchain-core + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

Observed evidence

Task verified

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
774a1ba9-c1be-4b6e-ad9b-164218721934
Canonical card
https://bcrypt-langchain-core-mcp-25b8f1.getvda.ai/.well-known/agent-card.json
Endpoint
https://bcrypt-langchain-core-mcp-25b8f1.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

2026-09-12T20:44:08.470906Z: passed2026-09-12T21:14:45.975299Z: passed2026-09-12T21:45:30.170370Z: passed2026-09-12T22:16:12.785153Z: passed2026-09-12T22:46:50.571902Z: passed2026-09-12T23:17:47.285851Z: passed2026-09-12T23:50:39.878957Z: passed2026-09-13T00:21:19.409858Z: passed2026-09-13T00:52:02.771515Z: passed2026-09-13T01:22:40.686672Z: passed2026-09-13T01:53:21.271311Z: passed2026-09-13T02:24:03.203380Z: passed2026-09-13T02:54:39.897338Z: passed2026-09-13T03:25:22.274007Z: passed2026-09-13T03:55:59.003487Z: passed2026-09-13T04:26:41.871803Z: passed2026-09-13T04:57:24.977664Z: passed2026-09-13T05:28:01.975015Z: passed2026-09-13T05:58:49.172232Z: passed2026-09-13T06:29:25.370583Z: passed2026-09-13T07:00:03.669285Z: passed2026-09-13T07:30:43.975524Z: passed2026-09-13T08:01:23.883793Z: passed2026-09-13T08:32:00.431672Z: passed2026-09-13T09:02:49.696463Z: passed2026-09-13T09:33:26.167605Z: passed2026-09-13T10:04:04.072471Z: passed2026-09-13T10:35:36.880734Z: passed2026-09-13T11:06:22.874723Z: passed2026-09-13T11:37:06.374189Z: passed2026-09-13T12:07:43.288176Z: passed2026-09-13T12:38:20.471383Z: passed2026-09-13T13:09:00.876557Z: passed2026-09-13T13:39:39.606322Z: passed2026-09-13T14:10:32.473655Z: passed2026-09-13T14:41:09.974635Z: passed2026-09-13T15:11:50.081863Z: passed2026-09-13T15:42:38.906706Z: passed2026-09-13T16:13:24.593361Z: passed2026-09-13T16:44:04.473493Z: passed2026-09-13T17:14:48.864941Z: passed2026-09-13T17:45:28.189219Z: passed2026-09-13T18:16:06.571010Z: passed2026-09-13T18:46:42.198340Z: passed2026-09-13T19:17:33.097341Z: passed2026-09-13T19:48:11.978374Z: passed2026-09-13T20:18:51.210991Z: passed2026-09-13T20:49:32.169684Z: passed2026-09-13T21:20:25.264771Z: passed2026-09-13T21:51:05.385009Z: passed2026-09-13T22:21:52.281243Z: passed2026-09-13T22:52:29.376681Z: passed2026-09-13T23:23:33.076165Z: passed2026-09-13T23:56:27.712577Z: passed2026-09-14T00:27:26.479145Z: passed2026-09-14T00:58:05.377952Z: passed2026-09-14T01:29:00.793988Z: passed2026-09-14T01:59:47.197175Z: passed2026-09-14T02:30:30.682004Z: passed2026-09-14T03:01:09.769916Z: passed2026-09-14T03:32:04.690222Z: passed2026-09-14T04:02:40.874974Z: passed2026-09-14T04:33:25.696804Z: passed2026-09-14T05:04:04.385367Z: passed2026-09-14T05:34:42.073542Z: passed2026-09-14T06:05:24.274081Z: passed2026-09-14T06:36:12.384163Z: passed2026-09-14T07:06:49.683790Z: passed2026-09-14T07:37:31.473209Z: passed2026-09-14T08:08:10.473150Z: passed2026-09-14T08:38:49.465818Z: passed2026-09-14T09:09:31.073154Z: passed2026-09-14T09:40:21.473737Z: passed2026-09-14T10:11:00.108757Z: passed2026-09-14T10:42:38.384589Z: passed2026-09-14T11:13:17.584131Z: passed2026-09-14T11:41:50.276609Z: passed2026-09-14T12:12:39.633989Z: passed2026-09-14T12:38:44.288867Z: passed2026-09-14T13:09:52.782478Z: passed2026-09-14T13:40:38.277783Z: passed2026-09-14T14:11:28.175296Z: passed2026-09-14T14:42:13.372495Z: passed2026-09-14T15:13:13.267824Z: passed2026-09-14T15:43:57.774351Z: passed2026-09-14T16:14:48.211008Z: passed2026-09-14T16:45:47.478957Z: passed2026-09-14T17:16:33.781250Z: passed2026-09-14T17:47:25.479767Z: passed2026-09-14T18:18:12.391880Z: passed2026-09-14T18:49:03.588323Z: passed2026-09-14T19:20:01.384593Z: passed2026-09-14T19:50:55.415840Z: passed2026-09-14T20:21:47.099202Z: passed2026-09-14T20:52:39.181236Z: passed2026-09-14T21:23:29.570342Z: passed2026-09-14T21:54:16.206867Z: passed2026-09-14T22:24:59.087192Z: passed2026-09-14T22:55:47.875654Z: passed2026-09-14T23:26:59.488258Z: passed
PassFailureAverage 2660 ms

Declared skills

Crypto

crypto

crypto capability provided by bcrypt.

bcrypt

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-sdk.

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": "Secured LangChain OpenAI Agent",
  "description": "Secured LangChain OpenAI Agent: composes bcrypt + langchain-core + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.",
  "author": "VDA / GOSCE",
  "wellKnownURI": "https://bcrypt-langchain-core-mcp-25b8f1.getvda.ai/.well-known/agent-card.json",
  "url": "https://bcrypt-langchain-core-mcp-25b8f1.getvda.ai/a2a/",
  "version": "0.1.1",
  "provider": {
    "organization": "VDA / GOSCE",
    "url": "https://getvda.ai/"
  },
  "documentationUrl": "https://bcrypt-langchain-core-mcp-25b8f1.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": "crypto",
      "name": "Crypto",
      "description": "crypto capability provided by bcrypt.",
      "tags": [
        "bcrypt"
      ],
      "examples": [
        "Use the crypto capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "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-sdk.",
      "tags": [
        "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": "774a1ba9-c1be-4b6e-ad9b-164218721934"
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/774a1ba9-c1be-4b6e-ad9b-164218721934

Test message

Messages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.

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