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mcp/harbor
Cursor

MailFlat for Cursor

io.github.mailflat/mailflat-mcp

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

client:Cursor transport:stdio runtime:pypi

Install MailFlat in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mailflat-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mailflat-mcp"
      ],
      "env": {
        "MAILFLAT_API_KEY": "<MAILFLAT_API_KEY>",
        "MAILFLAT_API_URL": "<MAILFLAT_API_URL>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

MailFlat in other clients

MailFlat MCP server