How do I install WhoisJSON?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is WhoisJSON official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 40 (Fair). The formula is published on the methodology page.

MCPpedia

WhoisJSON MCP Server

Name: WhoisJSON MCP Server
Author: whoisjson

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

Tools Versions Alternatives

Registrywhoisjson

40Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "whoisjson-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@whoisjson/mcp-server@1.0.3"
      ],
      "env": {
        "WHOISJSON_API_KEY": "YOUR_WHOISJSON_API_KEY"
      }
    }
  }
}

Install guide

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Name	Required	Notes
WHOISJSON_API_KEY	Yes	Your WhoisJSON API key from whoisjson.com/dashboard Secret.

WhoisJSON MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

WhoisJSON MCP Server

Install

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