MailFlat for Grok
io.github.mailflat/mailflat-mcp
Real email inboxes for AI agents: open an address, read the one-time code, send mail.
client:Grok
transport:stdio
runtime:pypi
Install MailFlat in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"mailflat-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"mailflat-mcp"
],
"env": {
"MAILFLAT_API_KEY": "<MAILFLAT_API_KEY>",
"MAILFLAT_API_URL": "<MAILFLAT_API_URL>"
}
}
}
}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