TL;DR
Whois is a Model Context Protocol (MCP) server. Domain registration, availability, DNS records, and IP/ASN resolution via RDAP and DNS-over-HTTPS. Install with: bun @cyanheads/whois-mcp-server. Source: https://github.com/cyanheads/whois-mcp-server. It speaks the Model Context Protocol and works with any compatible client (Claude, Cursor, Cline, Windsurf, Warp and more).
Whois
Domain registration, availability, DNS records, and IP/ASN resolution via RDAP and DNS-over-HTTPS.
Install Command
bun @cyanheads/whois-mcp-serverFrequently Asked Questions
Whois is a Model Context Protocol server that Domain registration, availability, DNS records, and IP/ASN resolution via RDAP and DNS-over-HTTPS.
You can install it by running the install command: `bun @cyanheads/whois-mcp-server`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.
The Whois MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.
Check the project license on its repository before use.
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- Agent Rank
- 0.0
- License
- Last Updated
- Aug 12, 2026
- Languages
- TypeScript
Client Compatibility
Speaks the Model Context Protocol — works with any compatible client.