whois-mcp-server

Indexed by io.github.cyanheads

About

Domain registration, availability, DNS records, and IP/ASN resolution via RDAP and DNS-over-HTTPS.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)

Env varsMCP_LOG_LEVEL RDAP_TIMEOUT_MS DOH_TIMEOUT_MS RDAP_MAX_RETRIES DOH_MAX_RETRIES

Claude Code

claude mcp add --env MCP_LOG_LEVEL= --env RDAP_TIMEOUT_MS= --env DOH_TIMEOUT_MS= --env RDAP_MAX_RETRIES= --env DOH_MAX_RETRIES= whois-mcp-server -- npx @cyanheads/whois-mcp-server

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"whois-mcp-server","command":"npx","args":["@cyanheads/whois-mcp-server"],"env":{"MCP_LOG_LEVEL":"","RDAP_TIMEOUT_MS":"","DOH_TIMEOUT_MS":"","RDAP_MAX_RETRIES":"","DOH_MAX_RETRIES":""}}'

JSON

{
  "mcpServers": {
    "whois-mcp-server": {
      "command": "npx",
      "args": [
        "@cyanheads/whois-mcp-server"
      ],
      "env": {
        "MCP_LOG_LEVEL": "",
        "RDAP_TIMEOUT_MS": "",
        "DOH_TIMEOUT_MS": "",
        "RDAP_MAX_RETRIES": "",
        "DOH_MAX_RETRIES": ""
      }
    }
  }
}

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.