{
  "markdown": "# @whoisjson/mcp-server\n\nMCP (Model Context Protocol) server for the [WhoisJSON API](https://whoisjson.com). Exposes WHOIS, DNS, SSL, and domain availability lookups as tools for AI assistants.\n\n## Tools\n\n| Tool | Description |\n|------|-------------|\n| `whois_lookup` | WHOIS registration data for a domain (registrar, dates, contacts, nameservers…) |\n| `dns_lookup` | All DNS records for a domain (A, AAAA, MX, NS, TXT, CNAME, SOA, CAA, DMARC…) |\n| `ssl_check` | SSL/TLS certificate details and validity for a domain |\n| `domain_availability` | Check if a domain is available for registration |\n\n## Prerequisites\n\n1. Sign up at [whoisjson.com](https://whoisjson.com) and copy your API key from the dashboard.\n2. Node.js ≥ 18.\n\n## Installation\n\n```bash\nnpm install -g @whoisjson/mcp-server\n# or run directly with npx (no install needed):\nnpx @whoisjson/mcp-server\n```\n\n---\n\n## Configuration\n\n### Claude Desktop\n\nEdit `~/Library/Application Support/Claude/claude_desktop_config.json` (macOS) or  \n`%APPDATA%\\Claude\\claude_desktop_config.json` (Windows):\n\n```json\n{\n  \"mcpServers\": {\n    \"whoisjson\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"@whoisjson/mcp-server\"],\n      \"env\": {\n        \"WHOISJSON_API_KEY\": \"your_api_key_here\"\n      }\n    }\n  }\n}\n```\n\n### Cursor\n\nEdit `~/.cursor/mcp.json`:\n\n```json\n{\n  \"mcpServers\": {\n    \"whoisjson\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"@whoisjson/mcp-server\"],\n      \"env\": {\n        \"WHOISJSON_API_KEY\": \"your_api_key_here\"\n      }\n    }\n  }\n}\n```\n\n### Windsurf\n\nEdit `~/.codeium/windsurf/mcp_config.json`:\n\n```json\n{\n  \"mcpServers\": {\n    \"whoisjson\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"@whoisjson/mcp-server\"],\n      \"env\": {\n        \"WHOISJSON_API_KEY\": \"your_api_key_here\"\n      }\n    }\n  }\n}\n```\n\n---\n\n## Running locally (development)\n\n```bash\ncd mcp-server\nnpm install\nnpm run build\nWHOISJSON_API_KEY=your_key npm start\n```\n\n## Publishing\n\n```bash\nnpm run build\nnpm publish --access public\n```\n\n## API reference\n\nFull API documentation: [whoisjson.com/documentation](https://whoisjson.com/documentation)\n",
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  "repo_slug": "whoisjson/mcp-server",
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