DomainCheckr MCP Server: Install & Setup

Install DomainCheckr in Claude Code

Claude Code

claude mcp add --transport http domaincheckr https://domaincheckr.fly.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "domaincheckr": {
      "url": "https://domaincheckr.fly.dev/mcp"
    }
  }
}

Check domain name availability via RDAP. Single, bulk, and smart suggestions. No API key needed.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http domaincheckr https://domaincheckr.fly.dev/mcp

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Developer toolkit: UUID, timestamp, unit conversion, JSON tools, and QR code (SVG). Free.