SERVER

Lettio MCP

Rank #37,339

eu.lettio/mcp

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

1 version

by lettio-eu (1 servers)View repository ↗Claim this server

Listed & last published

Sep 15, 2026

OVERVIEW

Lettio MCP is a Model Context Protocol (MCP) server published by lettio-eu. It ranks #37,339 of 137,492 servers tracked on MCP Toplist. Lettio MCP is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Sep 15, 2026 and most recently updated on Sep 15, 2026.

STANDING

#37,339of 137,492 tracked serversTop 50%

Ranks ahead of 100,153 of 137,492 servers on MCP Toplist.

CONNECT

Use Lettio MCP

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

Remote · HTTP

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

npm package

claude mcp add lettio -e "LETTIO_USERNAME=<your LETTIO_USERNAME>" -e "LETTIO_PASSWORD=<your LETTIO_PASSWORD>" -e "LETTIO_HOST=<your LETTIO_HOST>" -- npx -y @lettio/mcp

Replace each placeholder with your own value before saving.

Remote · HTTP

[mcp_servers.lettio]
url = "https://mcp.lettio.eu/mcp"

Add to ~/.codex/config.toml.

npm package

[mcp_servers.lettio]
command = "npx"
args = ["-y", "@lettio/mcp"]

[mcp_servers.lettio.env]
LETTIO_USERNAME = "<your LETTIO_USERNAME>"
LETTIO_PASSWORD = "<your LETTIO_PASSWORD>"
LETTIO_HOST = "<your LETTIO_HOST>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Remote · HTTP

https://mcp.lettio.eu/mcp

Settings → Connectors → “Add custom connector”, then paste this URL.

npm package

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

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Remote · HTTP

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).

npm package

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Remote · HTTP

{
  "servers": {
    "lettio": {
      "type": "http",
      "url": "https://mcp.lettio.eu/mcp"
    }
  }
}

Save as .vscode/mcp.json in your workspace.

npm package

{
  "servers": {
    "lettio": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@lettio/mcp"
      ],
      "env": {
        "LETTIO_USERNAME": "<your LETTIO_USERNAME>",
        "LETTIO_PASSWORD": "<your LETTIO_PASSWORD>",
        "LETTIO_HOST": "<your LETTIO_HOST>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Remote · HTTP

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

Add to ~/.codeium/windsurf/mcp_config.json.

npm package

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

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Remote · HTTP

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

npm package

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

Replace each placeholder with your own value before saving.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/eu.lettio%2Fmcp.svg)](https://mcptoplist.com/server/eu.lettio%2Fmcp)

HTML

<a href="https://mcptoplist.com/server/eu.lettio%2Fmcp"><img src="https://mcptoplist.com/badge/eu.lettio%2Fmcp.svg" alt="MCP Toplist: Top 50% of 137,492" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 2 registries

Official MCP

Glama

ORGANIZATION

lettio-eu

Organization

lettio-eu

Servers in org

Versions across org

VERSIONS

Available versions (1)

Version	Published
0.1.2	Sep 15, 2026

FAQ

Frequently asked questions

Who maintains Lettio MCP?: Lettio MCP is maintained by lettio-eu, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
Is Lettio MCP listed on the Official MCP Registry?: Yes — Lettio MCP is listed on the Official MCP Registry, alongside Glama.
How many versions does Lettio MCP have?: MCP Toplist tracks 1 version of Lettio MCP, most recently published on Sep 15, 2026.
Where can I find the source code for Lettio MCP?: The source code for Lettio MCP is hosted at github.com/lettio-eu/mcp.

Used in projects

Do you run this server?

Add to a project

Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.

EXPLORE

All MCP Servers Official MCP Servers GitHub MCP Servers Best MCP Servers Most Active MCP Servers New MCP Servers Best New MCP Servers