Lettio MCP

Remote (streamable-http)

https://mcp.lettio.eu/mcp Requires auth (checked 2026-11-09)

Claude Code:

claude mcp add --transport http mcp https://mcp.lettio.eu/mcp

Or add to your MCP client config:

{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.lettio.eu/mcp"
    }
  }
}

Package (npm 0.5.0)

npx -y @lettio/[email protected]

Or add to your MCP client config:

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@lettio/[email protected]"
      ],
      "env": {
        "LETTIO_USERNAME": "<YOUR_VALUE>",
        "LETTIO_PASSWORD": "<YOUR_VALUE>"
      }
    }
  }
}

• LETTIO_USERNAME required — Full email address of the Lettio mailbox, e.g. [email protected].
• LETTIO_PASSWORD required secret — App password for the mailbox.
• LETTIO_HOST — Mail host. Defaults to https://mail.lettio.eu.