This connects Claude to WhoisXML API's suite of 30 domain intelligence tools, covering WHOIS lookups, DNS queries, IP geolocation, and threat data. You'd reach for it when building agents that need to investigate domains, validate email addresses, check domain availability, or pull threat intelligence on suspicious IPs. The breadth here is the point: instead of integrating a dozen different APIs, you get domain registration history, DNS records, reverse IP lookups, and bulk domain tools all through one MCP connection. Useful for security research workflows, brand monitoring, or any agent that needs to quickly pull authoritative data about internet infrastructure.
claude mcp add --transport stdio io.github.whois-api-llc-mcp-whoisxmlapi uvx mcp-whoisxmlapi