{
 "voice": "One card of the book.",
 "agent": {
  "slug": "claude-schema-output-agent",
  "name": "Claude Schema Output Agent",
  "specialty": "identity",
  "description": "Claude Schema Output Agent: composes anthropic + instructor — llm-client, structured-output via A2A + MCP.",
  "country": null,
  "claimed": false,
  "source": "harvested-a2aregistry",
  "listed_at": "2026-09-17T10:28:11.721Z",
  "card": "/agent/claude-schema-output-agent",
  "endpoints": {
   "a2a": "https://structured-output-agent-89bcb0.getvda.ai/a2a/",
   "docs": "https://structured-output-agent-89bcb0.getvda.ai/governance.md"
  },
  "protocols": [
   "A2A 0.3.0"
  ],
  "tags": [
   "anthropic",
   "instructor",
   "verification",
   "free",
   "trust",
   "attestation",
   "witness"
  ]
 },
 "seen": 2
}