{
  "ok": true,
  "url": "https://example.com/",
  "audited_at": "2026-08-02T16:22:19.393Z",
  "letter": "F",
  "score": 4,
  "max_score": 100,
  "check_set": "v2",
  "grade": "invisible to agents",
  "passed": 1,
  "total_checks": 20,
  "checks": [
    {
      "id": "llms_txt",
      "label": "llms.txt published",
      "pass": false,
      "weight": 15
    },
    {
      "id": "llms_txt_summary",
      "label": "llms.txt has a title and summary",
      "pass": false,
      "weight": 5
    },
    {
      "id": "llms_full_txt",
      "label": "llms-full.txt published",
      "pass": false,
      "weight": 5
    },
    {
      "id": "robots_txt",
      "label": "robots.txt published",
      "pass": false,
      "weight": 5
    },
    {
      "id": "ai_crawlers_allowed",
      "label": "AI crawlers not blocked",
      "pass": false,
      "weight": 10
    },
    {
      "id": "sitemap",
      "label": "sitemap.xml published",
      "pass": false,
      "weight": 8
    },
    {
      "id": "json_ld",
      "label": "schema.org JSON-LD on the page",
      "pass": false,
      "weight": 15
    },
    {
      "id": "title_and_description",
      "label": "title and meta description",
      "pass": false,
      "weight": 7
    },
    {
      "id": "open_graph",
      "label": "Open Graph tags",
      "pass": false,
      "weight": 7
    },
    {
      "id": "canonical",
      "label": "canonical URL declared",
      "pass": false,
      "weight": 5
    },
    {
      "id": "machine_alternates",
      "label": "machine-readable alternates advertised",
      "pass": false,
      "weight": 8
    },
    {
      "id": "agent_card",
      "label": "agent card at /.well-known/agent-card.json",
      "pass": false,
      "weight": 10
    },
    {
      "id": "https",
      "label": "served over HTTPS",
      "pass": true,
      "weight": 5
    },
    {
      "id": "content_signals",
      "label": "Content Signals declared in robots.txt",
      "pass": false,
      "weight": 3
    },
    {
      "id": "agent_card_current_path",
      "label": "A2A card at the 1.0 path",
      "pass": false,
      "weight": 3
    },
    {
      "id": "mcp_server_card",
      "label": "MCP server card published",
      "pass": false,
      "weight": 2
    },
    {
      "id": "api_catalog",
      "label": "API catalog (RFC 9727)",
      "pass": false,
      "weight": 2
    },
    {
      "id": "agent_skills",
      "label": "Agent Skills index",
      "pass": false,
      "weight": 2
    },
    {
      "id": "markdown_negotiation",
      "label": "Serves markdown to callers that ask for it",
      "pass": false,
      "weight": 3
    },
    {
      "id": "web_bot_auth",
      "label": "Web Bot Auth key directory",
      "pass": false,
      "weight": 2
    }
  ],
  "signals": {
    "scored": true,
    "detected": 0,
    "total": 7,
    "items": [
      {
        "id": "content_signals",
        "label": "Content Signals declared in robots.txt",
        "present": false,
        "weight": 3
      },
      {
        "id": "agent_card_current_path",
        "label": "A2A card at the 1.0 path",
        "present": false,
        "weight": 3
      },
      {
        "id": "mcp_server_card",
        "label": "MCP server card published",
        "present": false,
        "weight": 2
      },
      {
        "id": "api_catalog",
        "label": "API catalog (RFC 9727)",
        "present": false,
        "weight": 2
      },
      {
        "id": "agent_skills",
        "label": "Agent Skills index",
        "present": false,
        "weight": 2
      },
      {
        "id": "markdown_negotiation",
        "label": "Serves markdown to callers that ask for it",
        "present": false,
        "weight": 3
      },
      {
        "id": "web_bot_auth",
        "label": "Web Bot Auth key directory",
        "present": false,
        "weight": 2
      }
    ]
  },
  "tier": "free",
  "unlock": {
    "what": "per-check detail, fixes ranked by weight, and a paste-ready code snippet for every failing check",
    "endpoint": "https://index.percall.dev/api/audit",
    "method": "POST",
    "price": "0.05 USD Coin",
    "protocol": "x402 — v1 (X-PAYMENT) and v2 (PAYMENT-SIGNATURE) both accepted",
    "terms": "https://index.percall.dev/api/x402/info"
  }
}