x402 Format Checker

{
  "agent_id": "x402_format_checker",
  "name": "x402 Format Checker",
  "url": "https://validate.crewofthecaptain.com/",
  "logo": "https://www.google.com/s2/favicons?domain=validate.crewofthecaptain.com&sz=128",
  "niche": null,
  "category": null,
  "short_summary": "Pay-per-call validation service and remote MCP server for IBAN, EU VAT, Polish NIP, REGON, PESEL, and email syntax. Supports x402 USDC payments on Base and pro…",
  "task_performed": "unclear",
  "inputs_accepted": [],
  "outputs_produced": [],
  "integrations_available": [],
  "protocols_or_interfaces": [],
  "industry_fit": [],
  "autonomy_level": "unclear",
  "human_approval_needed": "unclear",
  "pricing_model": "unclear",
  "price": {
    "observed": true,
    "billing": "usage",
    "source_kind": "vendor",
    "currency": "USD",
    "lowest_monthly_usd": null,
    "monthly_usd": null,
    "headline": "$0 per check (usage-based)",
    "commercial": {
      "rates": [
        {
          "line": "Format checks",
          "per": "per check",
          "text": "$0 per check"
        }
      ],
      "currency": "USD",
      "lines": [
        {
          "name": "Format checks",
          "price": "$0.001 USDC per check",
          "kind": "usage_rate",
          "unit": "check",
          "billed": "usage"
        }
      ]
    },
    "summary": "$0 per check (usage-based). Format validation checks cost $0.001 USDC per check with no subscription or account requirement.",
    "confidence": "medium",
    "source_url": "https://validate.crewofthecaptain.com/",
    "checked_at": "2026-10-12T03:10:37.152Z",
    "amount": null,
    "display": null,
    "plans": [
      {
        "name": "Format checks",
        "price": "$0.001 USDC per check",
        "usage": true,
        "period": "usage",
        "persona": "free",
        "highlights": [
          "Paid per call via x402",
          "USDC on Base mainnet",
          "No account or API key required"
        ],
        "promo_note": null,
        "price_promo": null,
        "price_annual": null
      }
    ],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [],
  "evidence_quality": "unclear",
  "entity_type": "mcp_server",
  "regulated_data_suitability": "unclear",
  "evidence_urls": [
    "https://validate.crewofthecaptain.com/"
  ],
  "last_checked": null,
  "how_to_connect": {
    "website": "https://validate.crewofthecaptain.com/",
    "docs": null,
    "mcp": {
      "endpoint": "https://validate.crewofthecaptain.com/mcp",
      "transport": "http",
      "config_snippet": "{\n  \"mcpServers\": {\n    \"x402_format_checker\": {\n      \"url\": \"https://validate.crewofthecaptain.com/mcp\"\n    }\n  }\n}"
    },
    "a2a": null,
    "api": null,
    "protocols": [],
    "install": null,
    "repository": null
  },
  "deployment": {
    "model": "hosted",
    "both_offered": false,
    "hosted_endpoint": "https://validate.crewofthecaptain.com/mcp",
    "install": null,
    "note": "Vendor-hosted connector: connect to the published endpoint; nothing to install.",
    "evidence": {
      "sources": [
        "page_text:hosted"
      ],
      "excerpt": "sing/invalid body, wrong method). MCP and A2A Remote MCP server (streamable HTTP): https://validate.crewofthecaptain.com/mcp. Free tool list_types; paid tools validate_",
      "url": "https://validate.crewofthecaptain.com/",
      "observed_day": "2026-10-12",
      "age_days": 1,
      "hosted_evidence": "vendor endpoint URL on the page",
      "rule": "deploy-v1"
    }
  },
  "licence": {
    "name": null,
    "note": "No named licence found in the retained page text or source attributes. A public repository alone does not establish an open-source licence.",
    "evidence": null
  },
  "evidence_checks": {
    "price": {
      "source_url": "https://validate.crewofthecaptain.com/",
      "last_observed_day": "2026-10-12",
      "age_days": 1,
      "verified_day": "2026-10-12",
      "note": "verified = the page-text gate ran for that scan day (day-before/day-of text check)"
    },
    "agent_card": {
      "status": "unknown",
      "note": "no Agent Card URL recorded for this listing"
    },
    "endpoint": {
      "status": "unknown",
      "note": "endpoint not yet checked"
    }
  },
  "product_group": null,
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 459,
    "uptime_7d": null,
    "checked_at": "2026-10-12T02:49:12.638Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
    "free_tier": null,
    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you actually use this provider, call report_outcome with the result. Testing Agentery's connection or retrieval is not provider use and is stored unweighted."
}