Email Deliverability Checker for Claude Code

io.github.kryptoscan/email-deliverability-mcp

Check SPF, DKIM, DMARC, blocklists, reverse DNS and email headers against Gmail/Yahoo sender rules.

client:Claude Code transport:streamable-http tools:3

Install Email Deliverability Checker in Claude Code

run in your project directory

claude mcp add --transport http email-deliverability-mcp https://api.ownmailserver.com/tools/mcp

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