MAILTYPE — Email Domain Capability Intelligence for Grok
io.github.gsterlingpress/mailtype
Email-domain intelligence: MX capability, provider, disposable status, SPF, DMARC, and MTA-STS.
client:Grok
transport:streamable-http
Install MAILTYPE — Email Domain Capability Intelligence in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mailtype": {
"type": "http",
"url": "https://mailtype-api.onrender.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