MCP server

WHOIS

io.github.KincaidYang/whois

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

2

Token cost

About 242 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http whois https://whois.ddnsip.cn/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.whois]
url = "https://whois.ddnsip.cn/mcp"

Gemini CLI

{"mcpServers":{"whois":{"httpUrl":"https://whois.ddnsip.cn/mcp"}}}

Cursor

{"mcpServers":{"whois":{"url":"https://whois.ddnsip.cn/mcp"}}}

VS Code

{"servers":{"whois":{"type":"http","url":"https://whois.ddnsip.cn/mcp"}}}

Antigravity

agy mcp add whois https://whois.ddnsip.cn/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"whois","server_url":"https://whois.ddnsip.cn/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"whois","server_url":"https://whois.ddnsip.cn/mcp"}

Tools

• whois_batch_lookup ~145 tokens
  Query WHOIS/RDAP information for multiple domain names, IP addresses/CIDR prefixes, or ASNs in one call. Results are returned per query with individual statuses. Disabled unless the operator enables batch queries.
• whois_lookup ~97 tokens
  Query WHOIS/RDAP information for a domain name, IP address or CIDR prefix (v4 or v6), or ASN

Browse

• GitHub tools
• Domains and DNS
• GitHub and code hosting

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