Lettio MCP Server

Lettio MCP is an MCP integration. Private, EU-hosted email for AI agents over JMAP: read, search, reply, organize, send.

Hosted connection

The registry lists a streamable-http connection at https://mcp.lettio.eu/mcp.

Packages and local setup

The published npm package is @lettio/mcp, version 0.1.2. Its declared MCP transport is stdio.

The package declares LETTIO_USERNAME (required): Full email address of the Lettio mailbox, e.g. you@yourcompany.eu.; LETTIO_PASSWORD (required): App password for the mailbox.; LETTIO_HOST: Mail host. Defaults to https://mail.lettio.eu..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 0.1.2 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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