NestDaddy

MailFlat

io.github.MailFlat/mailflat-mcp ยท v0.9.2

Real email inboxes for AI agents: open an address, read the one-time code, send mail.

Connect Runs on your machine

Terminal
claude mcp add mailflat-mcp -e MAILFLAT_API_KEY=<MAILFLAT_API_KEY> -e MAILFLAT_API_URL=<MAILFLAT_API_URL> -- uvx mailflat-mcp==0.9.2
claude_desktop_config.json
{
  "mcpServers": {
    "mailflat-mcp": {
      "command": "uvx",
      "args": [
        "mailflat-mcp==0.9.2"
      ],
      "env": {
        "MAILFLAT_API_KEY": "<MAILFLAT_API_KEY>",
        "MAILFLAT_API_URL": "<MAILFLAT_API_URL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "mailflat-mcp": {
      "command": "uvx",
      "args": [
        "mailflat-mcp==0.9.2"
      ],
      "env": {
        "MAILFLAT_API_KEY": "<MAILFLAT_API_KEY>",
        "MAILFLAT_API_URL": "<MAILFLAT_API_URL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mailflat-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mailflat-mcp==0.9.2"
      ],
      "env": {
        "MAILFLAT_API_KEY": "<MAILFLAT_API_KEY>",
        "MAILFLAT_API_URL": "<MAILFLAT_API_URL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
MAILFLAT_API_KEY
Required, secret
MailFlat API key. Create one in the dashboard under Agents.
MAILFLAT_API_URL
Optional
Override the API base URL. Defaults to https://mailflat.net.

Details

Package[email protected] (PYPI, stdio)
First published27 Aug 2026
Last updated27 Aug 2026
Registry nameio.github.MailFlat/mailflat-mcp

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