{
  "id": "a2a.agent-card",
  "protocol": "a2a",
  "layer": "discovery",
  "role": "merchant",
  "status": "optional",
  "title": "Publish an A2A Agent Card",
  "description": "Agent Cards sit at /.well-known/agent-card.json and describe your agent's skills and endpoint.",
  "goal": "Other agents can discover and call your agent.",
  "note": "",
  "how_to_implement": {
    "steps": [
      "Write the Agent Card JSON per the A2A spec.",
      "Serve it at /.well-known/agent-card.json."
    ]
  },
  "resources": [
    {
      "label": "A2A specification",
      "url": "https://a2a-protocol.org/latest/specification/",
      "type": "spec",
      "publisher": "A2A"
    },
    {
      "label": "A2A tutorials",
      "url": "https://a2a-protocol.org/latest/tutorials/",
      "type": "docs",
      "publisher": "A2A"
    },
    {
      "label": "A2A on GitHub",
      "url": "https://github.com/a2aproject/A2A",
      "type": "spec",
      "publisher": "A2A"
    }
  ],
  "audit": {
    "method": "http_get",
    "automatable": true,
    "url_pattern": "/.well-known/agent-card.json",
    "expect": {
      "status": 200,
      "content_type": "application/json",
      "json_keys": [
        "name",
        "skills"
      ]
    },
    "human": "GET returns 200 JSON with name, url and skills."
  },
  "how_to_verify": "GET returns 200 JSON with name, url and skills.",
  "artifacts": [
    "/.well-known/agent-card.json"
  ],
  "depends_on": [],
  "status_note": "",
  "verified": true,
  "slug": "a2a-agent-card",
  "category": "discovery",
  "url": "https://vreeman.ai/commerce/checklist#a2a.agent-card",
  "updated": "2026-10-12",
  "sources": [
    {
      "label": "A2A specification",
      "url": "https://a2a-protocol.org/latest/specification/",
      "type": "spec",
      "publisher": "A2A"
    },
    {
      "label": "A2A tutorials",
      "url": "https://a2a-protocol.org/latest/tutorials/",
      "type": "docs",
      "publisher": "A2A"
    },
    {
      "label": "A2A on GitHub",
      "url": "https://github.com/a2aproject/A2A",
      "type": "spec",
      "publisher": "A2A"
    }
  ],
  "related_slugs": []
}