WarmInboxes Free Deliverability Tools for Grok
com.warminboxes/deliverability-tools
Free cold email deliverability checks, list tools, inbox planning and original placement research.
client:Grok
transport:streamable-http
tools:50
Install WarmInboxes Free Deliverability Tools in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"deliverability-tools": {
"type": "http",
"url": "https://warminboxes.com/mcp"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs
What Grok 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