Email Deliverability Checker for Claude.ai

io.github.kryptoscan/email-deliverability-mcp

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

client:Claude.ai transport:streamable-http tools:3

Install Email Deliverability Checker in Claude.ai

Settings → Connectors → Add custom connector

https://api.ownmailserver.com/tools/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

check_domain
check_sending_ip
check_email_headers

Email Deliverability Checker in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Email Deliverability Checker MCP server