MCP servers
deliverability-doctor
Check if a domain can be email-spoofed: SPF, DMARC, DKIM, MX graded from public DNS. Authless.
Remotes
Streamable HTTP
https://deliverability-doctor.deliverability-doctor.workers.dev/mcpclaude mcp add --transport http deliverability-doctor https://deliverability-doctor.deliverability-doctor.workers.dev/mcpPackages
This server publishes no installable package.
