Linkheft by CyberMax

{
  "protocolVersion": "0.3.0",
  "name": "Linkheft by CyberMax",
  "description": "Paid API keys from $19/month (Prospector: 100,000 domain lookups a month); free tier 1000 domain lookups a day per IP with no key. Buy: https://linkheft-api.cybermaxtools.com/buy/prospector?s=lead · all plans: https://linkheft-api.cybermaxtools.com/docs#pricing. Bulk domain authority API: for up to 50 domains per call, a 0-100 authority score, the Common Crawl web-graph harmonic and PageRank ranks, host count, previous rank and trend (rising/stable/falling), Majestic Million rank, referring subnets and IPs, and found true/false. Open data (Common Crawl + Majestic Million), 10,296,726 domains. REST + MCP server.",
  "author": "CyberMax",
  "wellKnownURI": "https://linkheft-api.cybermax-tools.workers.dev/.well-known/agent-card.json",
  "url": "https://linkheft-api.cybermaxtools.com/mcp",
  "version": "1.0.0",
  "provider": {
    "organization": "CyberMax",
    "url": "https://cybermaxtools.com/store/"
  },
  "documentationUrl": "https://linkheft-api.cybermaxtools.com/docs",
  "iconUrl": null,
  "supportsAuthenticatedExtendedCard": null,
  "security": [
    {},
    {
      "apiKey": []
    }
  ],
  "securitySchemes": {
    "apiKey": {
      "in": "header",
      "name": "x-api-key",
      "type": "apiKey",
      "description": "Optional paid key (https://linkheft-api.cybermaxtools.com/docs#pricing); leave out for the free tier."
    }
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": null
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "domain_authority",
      "name": "Domain authority (bulk)",
      "description": "Authority score (0-100), Common Crawl web-graph rank (harmonic + PageRank), hosts, previous rank and trend, Majestic Million rank, referring subnets and IPs for 1-50 domains, URLs or emails. found=false when a domain is outside the top 10M and the Majestic Million.",
      "tags": [
        "linkheft",
        "data api",
        "mcp"
      ],
      "examples": [],
      "inputModes": [],
      "outputModes": []
    },
    {
      "id": "dataset_info",
      "name": "Data release",
      "description": "The Common Crawl web-graph release, Majestic Million date, as-of date and size of the data behind domain_authority.",
      "tags": [
        "linkheft",
        "data api",
        "mcp"
      ],
      "examples": [],
      "inputModes": [],
      "outputModes": []
    }
  ],
  "conformance": true,
  "conformance_errors": null,
  "homepage": null,
  "repository": null,
  "license": null,
  "pricing": null,
  "contact": null,
  "id": "c8fd9ca2-d064-4042-bb08-efdd69e0b8fb",
  "category": "data-analytics",
  "category_secondary": "developer-tools"
}