Couryo free email tools for Claude.ai

com.couryo/tools

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

client:Claude.ai transport:streamable-http tools:6

Install Couryo free email tools in Claude.ai

Settings → Connectors → Add custom connector

https://mcp.couryo.com/tools

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

verify_email
verify_emails
check_domain_dns
explain_smtp_error
generate_spf
generate_dmarc

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Couryo free email tools MCP server