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Whoiser

modelcontextprotocol-servers

stdio4+ documented tools0

About Whoiser

Provides a lightweight server for performing WHOIS lookups using the whoiser library, enabling retrieval of domain registration and ownership information through TypeScript-based type-safe queries.

What you can use it for

  • search web
  • developer tools
Connection and setup
Hosting
Local stdio process
Transport
stdio
Endpoint
Local process; no hosted endpoint documented
Authentication
No credentials were configured; the tested read-only tool “whois_domain” succeeded in an isolated environment. Other tools may have additional requirements.

Requirements

  • Node.js 18+
  • The npm package repository matched the repository linked from the public profile.

Setup steps

  1. npx -y @mcp-server/whois-mcp@1.0.1
Tools 4+

The server returned 4 tools in tools/list. Only “whois_domain” was invoked with a synthetic read-only input and succeeded.

  • whois_domain

    Looksup whois information about the domain

    Parameters: domain
    01
  • whois_tld

    Looksup whois information about the Top Level Domain (TLD)

    Parameters: tld
    02
  • whois_ip

    Looksup whois information about the IP

    Parameters: ip
    03
  • whois_as

    Looksup whois information about the Autonomous System Number (ASN)

    Parameters: asn
    04

This server’s available tools can vary by account, permissions, or configuration. The list shown is not its full runtime catalog.

Limitations and notes
  • Runtime verification covered one read-only tool call (whois_domain); other listed tools were not individually exercised.
Original sources
  • MCP.Directory public profile

    Name, description, publisher identifier, categories, transport, tool inventory, and install configuration.

  • Linked publisher repository

    Repository URL linked from the public profile; npm package repository metadata matched this GitHub repository.

  • npm registry metadata

    Published package version 1.0.1 checked before launch. Registry repository: git+https://github.com/modelcontextprotocol-servers/whois-mcp.git.

Documentation checked 2026-10-28T00:00:00Z. Connection has not been runtime tested.

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