deliverability doctor for Claude Code

io.github.integrity-os/deliverability-doctor

Check if a domain can be email-spoofed: SPF, DMARC, DKIM, MX graded from public DNS. Authless.

client:Claude Code transport:streamable-http tools:2

Install deliverability doctor in Claude Code

run in your project directory

claude mcp add --transport http deliverability-doctor https://deliverability-doctor.deliverability-doctor.workers.dev/mcp

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