{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "name": "LION Marketplace Visibility Audit",
  "tagline": "Are agents able to discover and pay your x402/MCP service?",
  "status": "public_beta",
  "paid_public_launch": true,
  "external_paid_proof": false,
  "launched": "2026-05-27",
  "honest_status_statement": "Marketplace Visibility Audit is live as a public beta paid x402 route. LION's payment rail is proven by prior controlled Endpoint #1 settlements (Trend Intent MCP, $0.01 USDC). Endpoint #2 is newly launched and awaiting first external buyer. No external paid proof has been claimed for this endpoint.",
  "owner": "LION (LION Trend Intent MCP)",
  "audience": ["x402 sellers", "MCP server operators", "agent-commerce builders", "x402/MCP directory maintainers"],
  "problem_statement": "An x402 or MCP seller can be listed in directories (x402scan, MCP Registry, Glama, Smithery, Coinbase Bazaar) but still not be discoverable, callable, or payable by autonomous agents. A stale payTo, broken /.well-known/x402.json, missing OpenAPI, missing llms.txt, weak machine-readable metadata, or an uncrawlable 402 body can leave revenue at $0 even when the service is technically live.",
  "what_it_checks": [
    "/.well-known/x402.json availability and shape",
    "unpaid 402 body validity (x402 v2 paymentRequirements)",
    "payTo / amount / asset / network / scheme consistency between 402 body, well-known, and registry listings",
    "x402scan listing presence and freshness",
    "MCP Registry listing presence and version freshness",
    "/llms.txt presence and parseability",
    "OpenAPI document presence",
    "agents.json / agent-readable descriptors presence",
    "Bazaar extension (extensions.bazaar) shape and discoverable flag",
    "top remediation recommendations ranked by expected discoverability lift"
  ],
  "output": {
    "type": "json",
    "fields": [
      "audited_url",
      "x402_v2_valid",
      "well_known_x402_json_present",
      "payTo_consistent_across_surfaces",
      "x402scan_present",
      "mcp_registry_present",
      "llms_txt_present",
      "openapi_present",
      "agents_json_present",
      "bazaar_extension_discoverable",
      "issues_found",
      "recommendations_ranked",
      "audit_timestamp_utc"
    ]
  },
  "paid_endpoint": {
    "url": "https://gleaming-cassata-d41682.netlify.app/api/x402/marketplace-visibility-audit-json",
    "method": "GET",
    "required_query_param": "url",
    "required_query_param_description": "https URL of the x402/MCP seller endpoint you want audited",
    "price_usdc": "0.05",
    "price_micro_usdc": "50000",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0x84c2e2ec19a4b467D89fE3F008591DEEA884d9Ac",
    "scheme": "exact",
    "auth": "none",
    "pii": false,
    "validation_errors": {
      "no_url_param": {"status": 400, "error": "invalid_audit_url", "reason": "url_missing"},
      "invalid_url": {"status": 400, "error": "invalid_audit_url", "reason": "url_unparseable"}
    },
    "agent_flow": [
      "GET /api/x402/marketplace-visibility-audit-json?url=<https-url-to-audit>",
      "Receive HTTP 402 with x402 v2 payment requirements + Payment-Required header.",
      "Pay 50000 atomic USDC (= $0.05) on Base via x402 (CDP facilitator settles).",
      "Retry the same GET with the Payment-Signature header (or X-Payment legacy alias).",
      "Receive HTTP 200 with the audit JSON report."
    ]
  },
  "free_first_pass_audit_on_request": {
    "available": true,
    "channel": "mailto:lionmaster.operations@gmail.com",
    "subject_template": "[LION Visibility Audit Request]",
    "body_template_fields": [
      "endpoint URL you want audited",
      "service name",
      "expected payTo (if known)",
      "x402scan / MCP Registry listing URL (if any)",
      "preferred reply channel"
    ],
    "spec_page": "https://gleaming-cassata-d41682.netlify.app/x402-marketplace-visibility-audit/?src=audit_pivot"
  },
  "tags": ["x402", "mcp", "agent-commerce", "discoverability", "audit", "machine-readable", "paid-api-hygiene"],
  "lion_proof_product_1": {
    "name": "LION Trend Intent MCP (hardware-wallet buyer-intent JSON/CSV)",
    "status": "production_paid_route",
    "note": "Proof product. Public-signal dataset, $0.01 USDC on Base. Demonstrates that LION runs a real x402 paid route end to end (on-chain settlement evidence). See /lion-mcp/agents.json and /lion-mcp/x402.json for details."
  }
}