MailFlat
Real email inboxes for AI agents: open an address, read the one-time code, send mail.
Install
PyPIstdio
uvx mailflat-mcp Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-mailflat-mailflat-mcp": {
"command": "uvx",
"args": [
"mailflat-mcp"
]
}
}
} Source: official MCP Registry record · registry name io.github.MailFlat/mailflat-mcp · published 2026-08-27 · updated 2026-08-27. Not an endorsement; review the code before connecting it to anything sensitive.