WarmInboxes Free Deliverability Tools for Claude.ai
com.warminboxes/deliverability-tools
Free cold email deliverability checks, list tools, inbox planning and original placement research.
client:Claude.ai
transport:streamable-http
tools:50
Install WarmInboxes Free Deliverability Tools in Claude.ai
Settings → Connectors → Add custom connector
https://warminboxes.com/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_deliverability
- check_spf
- check_dkim
- check_dmarc
- check_bimi
- check_mta_sts
- check_ssl
- check_dns
- lookup_txt
- check_rdns
- check_blacklist
- check_surbl
- check_nameservers
- check_domain_expiry
- check_google_domain
- check_cname
- verify_email
- lookup_mx
- segment_esp
- plan_from_list
- plan_infrastructure
- expand_spintax
- generate_unsubscribe
- check_email_authentication