io.github.cybersmurf/stalwart-mail-mcp

io.github.cybersmurf/stalwart-mail-mcp

Mail and contacts on a self-hosted Stalwart server via JMAP: search, read, OCR, send, drafts.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "stalwart-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "stalwart-mail-mcp@2.3.0"
      ],
      "env": {
        "STALWART_URL": "<your STALWART_URL>",
        "STALWART_USER": "<your STALWART_USER>",
        "STALWART_PASSWORD": "<your STALWART_PASSWORD>",
        "MAIL_OCR_API_KEY": "<your MAIL_OCR_API_KEY>"
      }
    }
  }
}
Environment variables
  • STALWART_URLrequiredPublic address of the Stalwart server, e.g. https://mail.example.com
  • STALWART_USERrequiredMailbox e-mail address to sign in with
  • STALWART_PASSWORDrequiredsecretMailbox or app password
  • MAIL_OCR_API_KEYsecretAPI key of the OCR provider (not needed for local servers)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
2.3.0
Registry
active
Published
10/2/2026

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