MCPLow riskUnclaimed

Lettio MCP

Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.

lettio.eulettio.eu/mcpUpdated Sep 15, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "eu.lettio/mcp",
  "description": "Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.",
  "title": "Lettio MCP",
  "repository": {
    "url": "https://github.com/lettio-eu/mcp",
    "source": "github"
  },
  "version": "0.1.2",
  "packages": [
    {
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "identifier": "@lettio/mcp",
      "version": "0.1.2",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Full email address of the Lettio mailbox, e.g. you@yourcompany.eu.",
          "isRequired": true,
          "name": "LETTIO_USERNAME"
        },
        {
          "description": "App password for the mailbox.",
          "isRequired": true,
          "isSecret": true,
          "name": "LETTIO_PASSWORD"
        },
        {
          "description": "Mail host. Defaults to https://mail.lettio.eu.",
          "name": "LETTIO_HOST"
        }
      ]
    }
  ],
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://mcp.lettio.eu/mcp"
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:@lettio/mcp@0.1.2
Runs install scripts—None
Networkmcp.lettio.eumcp.lettio.eu
Needs credentialsLETTIO_PASSWORDLETTIO_PASSWORD
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #10.1.2latestOct 7, 2026