Skip to content
mcp/harbor
Grok

WhoisJSON for Grok

io.github.whoisjson/mcp-server

WHOIS, DNS, SSL, and domain availability lookups for AI assistants

client:Grok transport:stdio runtime:npm

Install WhoisJSON in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@whoisjson/mcp-server"
      ],
      "env": {
        "WHOISJSON_API_KEY": "<WHOISJSON_API_KEY>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

WhoisJSON in other clients

WhoisJSON MCP server