A2A REGISTRY·AGENT RECORD·b305b646-3427-4de3-a75d-291f61f15fa1

Provider

VDA / GOSCE

Claude Schema Output Agent

Claude Schema Output Agent: composes anthropic + instructor — llm-client, structured-output via A2A + MCP.

Observed evidence

Reachable

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
b305b646-3427-4de3-a75d-291f61f15fa1
Category
Trust & safety
Canonical card
https://structured-output-agent-89bcb0.getvda.ai/.well-known/agent-card.json
Endpoint
https://structured-output-agent-89bcb0.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 · 99.9% across 30 days

2026-10-15T07:26:00.810087Z: passed2026-10-15T07:57:29.018263Z: passed2026-10-15T08:30:10.200481Z: passed2026-10-15T09:02:41.901839Z: passed2026-10-15T09:34:00.197398Z: passed2026-10-15T10:05:11.429888Z: passed2026-10-15T10:36:18.303341Z: passed2026-10-15T11:07:35.990299Z: passed2026-10-15T11:38:39.113743Z: passed2026-10-15T12:09:40.194994Z: passed2026-10-15T12:40:45.807683Z: passed2026-10-15T13:11:47.101881Z: passed2026-10-15T13:42:55.488876Z: passed2026-10-15T14:13:56.101727Z: passed2026-10-15T14:45:00.996069Z: passed2026-10-15T15:16:19.798655Z: passed2026-10-15T15:47:28.291156Z: passed2026-10-15T16:18:35.020134Z: passed2026-10-15T16:49:40.691721Z: passed2026-10-15T17:20:52.802397Z: passed2026-10-15T17:52:03.301336Z: passed2026-10-15T18:23:56.193852Z: passed2026-10-15T18:55:07.005554Z: passed2026-10-15T19:26:14.511023Z: passed2026-10-15T19:57:46.095005Z: passed2026-10-15T20:28:55.418200Z: passed2026-10-15T21:00:22.606378Z: passed2026-10-15T21:31:40.104922Z: passed2026-10-15T22:02:42.393258Z: passed2026-10-15T22:34:00.888873Z: passed2026-10-15T23:05:12.688788Z: passed2026-10-15T23:36:25.807359Z: passed2026-10-16T00:07:38.602844Z: passed2026-10-16T00:38:51.711594Z: passed2026-10-16T01:10:36.688318Z: passed2026-10-16T01:41:50.008092Z: passed2026-10-16T02:13:07.793171Z: passed2026-10-16T02:44:14.495857Z: passed2026-10-16T03:15:28.697898Z: passed2026-10-16T03:46:43.994355Z: passed2026-10-16T04:17:48.406823Z: passed2026-10-16T04:49:03.202532Z: passed2026-10-16T05:20:18.490251Z: passed2026-10-16T05:51:37.109136Z: passed2026-10-16T06:22:43.798555Z: passed2026-10-16T06:53:55.092760Z: passed2026-10-16T07:25:02.492267Z: passed2026-10-16T07:56:14.117621Z: passed2026-10-16T08:12:43.923527Z: passed2026-10-16T08:45:09.930468Z: passed2026-10-16T09:17:17.924524Z: passed2026-10-16T09:48:24.828759Z: passed2026-10-16T10:19:22.726880Z: passed2026-10-16T10:50:31.629185Z: passed2026-10-16T11:21:30.025771Z: passed2026-10-16T11:52:25.338241Z: passed2026-10-16T12:23:23.918622Z: passed2026-10-16T12:54:24.529229Z: passed2026-10-16T13:25:28.728937Z: passed2026-10-16T13:56:28.932537Z: passed2026-10-16T14:27:30.031034Z: passed2026-10-16T14:58:31.118382Z: passed2026-10-16T15:29:27.531651Z: passed2026-10-16T16:00:36.137701Z: passed2026-10-16T16:31:37.537121Z: passed2026-10-16T17:02:40.933605Z: passed2026-10-16T17:33:45.432963Z: passed2026-10-16T18:04:55.935235Z: passed2026-10-16T18:06:18.053721Z: passed2026-10-16T18:24:13.201168Z: passed2026-10-16T18:33:38.211028Z: passed2026-10-16T19:02:20.072382Z: passed2026-10-16T19:33:33.676216Z: passed2026-10-16T20:04:42.680644Z: passed2026-10-16T20:11:25.284522Z: passed2026-10-16T20:42:33.280130Z: passed2026-10-16T21:13:39.575119Z: passed2026-10-16T21:44:47.186084Z: passed2026-10-16T22:15:56.782265Z: passed2026-10-16T22:47:05.180552Z: passed2026-10-16T23:18:11.075962Z: passed2026-10-16T23:49:25.480226Z: passed2026-10-17T00:20:31.189159Z: passed2026-10-17T00:51:41.980530Z: passed2026-10-17T01:23:25.287133Z: passed2026-10-17T01:54:55.595223Z: passed2026-10-17T02:26:31.482137Z: passed2026-10-17T02:58:01.474828Z: passed2026-10-17T03:29:31.083125Z: passed2026-10-17T04:01:06.186597Z: passed2026-10-17T04:32:18.490972Z: passed2026-10-17T05:03:36.309071Z: passed2026-10-17T05:34:54.676513Z: passed2026-10-17T06:06:17.081444Z: passed2026-10-17T06:37:40.085679Z: passed2026-10-17T07:08:51.979915Z: passed2026-10-17T07:40:10.081534Z: passed2026-10-17T08:11:37.680622Z: passed2026-10-17T08:43:11.081524Z: passed2026-10-17T09:15:55.972500Z: passed
PassFailureAverage 1155 ms

Declared skills

Llm Client

llm-client

llm client capability provided by anthropic.

anthropic

Structured Output

structured-output

structured output capability provided by instructor.

instructor

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": "Claude Schema Output Agent",
  "description": "Claude Schema Output Agent: composes anthropic + instructor — llm-client, structured-output via A2A + MCP.",
  "author": "VDA / GOSCE",
  "wellKnownURI": "https://structured-output-agent-89bcb0.getvda.ai/.well-known/agent-card.json",
  "url": "https://structured-output-agent-89bcb0.getvda.ai/a2a/",
  "version": "0.1.1",
  "provider": {
    "organization": "VDA / GOSCE",
    "url": "https://getvda.ai/"
  },
  "documentationUrl": "https://structured-output-agent-89bcb0.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": "llm-client",
      "name": "Llm Client",
      "description": "llm client capability provided by anthropic.",
      "tags": [
        "anthropic"
      ],
      "examples": [
        "Use the llm-client capability of this agent."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "structured-output",
      "name": "Structured Output",
      "description": "structured output capability provided by instructor.",
      "tags": [
        "instructor"
      ],
      "examples": [
        "Use the structured-output 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": "b305b646-3427-4de3-a75d-291f61f15fa1",
  "category": "trust-safety",
  "category_secondary": null
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/b305b646-3427-4de3-a75d-291f61f15fa1

Test message

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