Plainmail for Cursor

dev.plainmail/mail

Email on your own domains: add a domain, write its DNS, create mailboxes, read and send mail.

client:Cursor transport:streamable-http

Install Plainmail in Cursor

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

{
  "mcpServers": {
    "mail": {
      "url": "https://app.plainmail.dev/api/mcp/mcp"
    }
  }
}

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