LocalFree server, account needed

Stalwart Mail MCP server

cybersmurf/stalwart-mail-mcp

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

0 GitHub stars727 npm downloads / month

Install Stalwart Mail in Claude Code

Claude Code
claude mcp add stalwart-mail -e STALWART_URL=... -e STALWART_USER=... -e STALWART_PASSWORD=... -- npx -y stalwart-mail-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "stalwart-mail": {
      "command": "npx",
      "args": [
        "-y",
        "stalwart-mail-mcp"
      ],
      "env": {
        "STALWART_URL": "...",
        "STALWART_USER": "...",
        "STALWART_PASSWORD": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Stalwart Mail MCP server do?

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

Is the Stalwart Mail MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Stalwart Mail run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Stalwart Mail to Claude Code?

Run: claude mcp add stalwart-mail -e STALWART_URL=... -e STALWART_USER=... -e STALWART_PASSWORD=... -- npx -y stalwart-mail-mcp

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