RDAP API for Claude Code

io.rdapapi/rdap

Normalized JSON for any domain across 1,200+ TLDs, reading WHOIS where no RDAP server exists.

client:Claude Code transport:streamable-http tools:7

Install RDAP API in Claude Code

run in your project directory

claude mcp add --transport http rdap https://rdapapi.io/mcp/rdap

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs