Domain Mail Check for Claude Code

app.openkrill/mailcheck

Check how a domain is set up for email and who it is registered with, from public DNS data.

client:Claude Code transport:streamable-http tools:8

Install Domain Mail Check in Claude Code

run in your project directory

claude mcp add --transport http mailcheck https://mailcheck.openkrill.app/mcp

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