MailFerret for Grok
com.appin60.mailferret/mailferret
Find and verify work emails with live SMTP checks and catch-all detection. Free 10 calls/day.
client:Grok
transport:streamable-http
tools:3
Install MailFerret in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mailferret": {
"type": "http",
"url": "https://mailferret.appin60.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