Who maintains Proton Mail (unofficial)?

Proton Mail (unofficial) is maintained by sethbang, which publishes 2 MCP servers (7 total versions) tracked on MCP Toplist.

Is Proton Mail (unofficial) listed on the Official MCP Registry?

Yes — Proton Mail (unofficial) is listed on the Official MCP Registry, alongside Glama, PulseMCP and mcp.so.

How many versions does Proton Mail (unofficial) have?

MCP Toplist tracks 1 version of Proton Mail (unofficial), most recently published on May 30, 2026.

Where can I find the source code for Proton Mail (unofficial)?

The source code for Proton Mail (unofficial) is hosted at github.com/sethbang/proton-mail-mcp.

SERVER

Proton Mail (unofficial)

Rank #15,073

io.github.sethbang/proton-mail-mcp

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

1 version

3 GitHub stars

by sethbang (2 servers)View repository ↗

Listed & last published

May 30, 2026

OVERVIEW

Proton Mail (unofficial) is a Model Context Protocol (MCP) server published by sethbang. It ranks #15,073 of 115,591 servers tracked on MCP Toplist, and its repository has 3 GitHub stars. Proton Mail (unofficial) is listed across 4 registries — Official MCP, Glama, PulseMCP and mcp.so, with 1 tracked version. It was first listed on May 30, 2026 and most recently updated on May 30, 2026.

STANDING

#15,073of 115,591 tracked serversTop 25%

Ranks ahead of 100,518 of 115,591 servers on MCP Toplist.

CONNECT

Use Proton Mail (unofficial)

API keyNeeds credentials

Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.

npm package

claude mcp add proton-mail-mcp -e "PROTONMAIL_USERNAME=<your PROTONMAIL_USERNAME>" -e "PROTONMAIL_PASSWORD=<your PROTONMAIL_PASSWORD>" -e "PROTONMAIL_HOST=<your PROTONMAIL_HOST>" -e "PROTONMAIL_PORT=<your PROTONMAIL_PORT>" -e "PROTONMAIL_SECURE=<your PROTONMAIL_SECURE>" -e "IMAP_HOST=<your IMAP_HOST>" -e "IMAP_PORT=<your IMAP_PORT>" -e "IMAP_SECURE=<your IMAP_SECURE>" -e "IMAP_USERNAME=<your IMAP_USERNAME>" -e "IMAP_PASSWORD=<your IMAP_PASSWORD>" -e "READONLY=<your READONLY>" -e "RESTRICT_OUTBOUND_TO_SELF=<your RESTRICT_OUTBOUND_TO_SELF>" -e "ALLOW_FILE_DOWNLOAD_DIR=<your ALLOW_FILE_DOWNLOAD_DIR>" -e "ALLOW_EMPTY_FOLDER=<your ALLOW_EMPTY_FOLDER>" -e "DEBUG=<your DEBUG>" -- npx -y proton-mail-mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.proton-mail-mcp]
command = "npx"
args = ["-y", "proton-mail-mcp"]

[mcp_servers.proton-mail-mcp.env]
PROTONMAIL_USERNAME = "<your PROTONMAIL_USERNAME>"
PROTONMAIL_PASSWORD = "<your PROTONMAIL_PASSWORD>"
PROTONMAIL_HOST = "<your PROTONMAIL_HOST>"
PROTONMAIL_PORT = "<your PROTONMAIL_PORT>"
PROTONMAIL_SECURE = "<your PROTONMAIL_SECURE>"
IMAP_HOST = "<your IMAP_HOST>"
IMAP_PORT = "<your IMAP_PORT>"
IMAP_SECURE = "<your IMAP_SECURE>"
IMAP_USERNAME = "<your IMAP_USERNAME>"
IMAP_PASSWORD = "<your IMAP_PASSWORD>"
READONLY = "<your READONLY>"
RESTRICT_OUTBOUND_TO_SELF = "<your RESTRICT_OUTBOUND_TO_SELF>"
ALLOW_FILE_DOWNLOAD_DIR = "<your ALLOW_FILE_DOWNLOAD_DIR>"
ALLOW_EMPTY_FOLDER = "<your ALLOW_EMPTY_FOLDER>"
DEBUG = "<your DEBUG>"

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

npm package

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "proton-mail-mcp"
      ],
      "env": {
        "PROTONMAIL_USERNAME": "<your PROTONMAIL_USERNAME>",
        "PROTONMAIL_PASSWORD": "<your PROTONMAIL_PASSWORD>",
        "PROTONMAIL_HOST": "<your PROTONMAIL_HOST>",
        "PROTONMAIL_PORT": "<your PROTONMAIL_PORT>",
        "PROTONMAIL_SECURE": "<your PROTONMAIL_SECURE>",
        "IMAP_HOST": "<your IMAP_HOST>",
        "IMAP_PORT": "<your IMAP_PORT>",
        "IMAP_SECURE": "<your IMAP_SECURE>",
        "IMAP_USERNAME": "<your IMAP_USERNAME>",
        "IMAP_PASSWORD": "<your IMAP_PASSWORD>",
        "READONLY": "<your READONLY>",
        "RESTRICT_OUTBOUND_TO_SELF": "<your RESTRICT_OUTBOUND_TO_SELF>",
        "ALLOW_FILE_DOWNLOAD_DIR": "<your ALLOW_FILE_DOWNLOAD_DIR>",
        "ALLOW_EMPTY_FOLDER": "<your ALLOW_EMPTY_FOLDER>",
        "DEBUG": "<your DEBUG>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "proton-mail-mcp"
      ],
      "env": {
        "PROTONMAIL_USERNAME": "<your PROTONMAIL_USERNAME>",
        "PROTONMAIL_PASSWORD": "<your PROTONMAIL_PASSWORD>",
        "PROTONMAIL_HOST": "<your PROTONMAIL_HOST>",
        "PROTONMAIL_PORT": "<your PROTONMAIL_PORT>",
        "PROTONMAIL_SECURE": "<your PROTONMAIL_SECURE>",
        "IMAP_HOST": "<your IMAP_HOST>",
        "IMAP_PORT": "<your IMAP_PORT>",
        "IMAP_SECURE": "<your IMAP_SECURE>",
        "IMAP_USERNAME": "<your IMAP_USERNAME>",
        "IMAP_PASSWORD": "<your IMAP_PASSWORD>",
        "READONLY": "<your READONLY>",
        "RESTRICT_OUTBOUND_TO_SELF": "<your RESTRICT_OUTBOUND_TO_SELF>",
        "ALLOW_FILE_DOWNLOAD_DIR": "<your ALLOW_FILE_DOWNLOAD_DIR>",
        "ALLOW_EMPTY_FOLDER": "<your ALLOW_EMPTY_FOLDER>",
        "DEBUG": "<your DEBUG>"
      }
    }
  }
}

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

npm package

{
  "servers": {
    "proton-mail-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "proton-mail-mcp"
      ],
      "env": {
        "PROTONMAIL_USERNAME": "<your PROTONMAIL_USERNAME>",
        "PROTONMAIL_PASSWORD": "<your PROTONMAIL_PASSWORD>",
        "PROTONMAIL_HOST": "<your PROTONMAIL_HOST>",
        "PROTONMAIL_PORT": "<your PROTONMAIL_PORT>",
        "PROTONMAIL_SECURE": "<your PROTONMAIL_SECURE>",
        "IMAP_HOST": "<your IMAP_HOST>",
        "IMAP_PORT": "<your IMAP_PORT>",
        "IMAP_SECURE": "<your IMAP_SECURE>",
        "IMAP_USERNAME": "<your IMAP_USERNAME>",
        "IMAP_PASSWORD": "<your IMAP_PASSWORD>",
        "READONLY": "<your READONLY>",
        "RESTRICT_OUTBOUND_TO_SELF": "<your RESTRICT_OUTBOUND_TO_SELF>",
        "ALLOW_FILE_DOWNLOAD_DIR": "<your ALLOW_FILE_DOWNLOAD_DIR>",
        "ALLOW_EMPTY_FOLDER": "<your ALLOW_EMPTY_FOLDER>",
        "DEBUG": "<your DEBUG>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "proton-mail-mcp"
      ],
      "env": {
        "PROTONMAIL_USERNAME": "<your PROTONMAIL_USERNAME>",
        "PROTONMAIL_PASSWORD": "<your PROTONMAIL_PASSWORD>",
        "PROTONMAIL_HOST": "<your PROTONMAIL_HOST>",
        "PROTONMAIL_PORT": "<your PROTONMAIL_PORT>",
        "PROTONMAIL_SECURE": "<your PROTONMAIL_SECURE>",
        "IMAP_HOST": "<your IMAP_HOST>",
        "IMAP_PORT": "<your IMAP_PORT>",
        "IMAP_SECURE": "<your IMAP_SECURE>",
        "IMAP_USERNAME": "<your IMAP_USERNAME>",
        "IMAP_PASSWORD": "<your IMAP_PASSWORD>",
        "READONLY": "<your READONLY>",
        "RESTRICT_OUTBOUND_TO_SELF": "<your RESTRICT_OUTBOUND_TO_SELF>",
        "ALLOW_FILE_DOWNLOAD_DIR": "<your ALLOW_FILE_DOWNLOAD_DIR>",
        "ALLOW_EMPTY_FOLDER": "<your ALLOW_EMPTY_FOLDER>",
        "DEBUG": "<your DEBUG>"
      }
    }
  }
}

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

npm package

{
  "mcpServers": {
    "proton-mail-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "proton-mail-mcp"
      ],
      "env": {
        "PROTONMAIL_USERNAME": "<your PROTONMAIL_USERNAME>",
        "PROTONMAIL_PASSWORD": "<your PROTONMAIL_PASSWORD>",
        "PROTONMAIL_HOST": "<your PROTONMAIL_HOST>",
        "PROTONMAIL_PORT": "<your PROTONMAIL_PORT>",
        "PROTONMAIL_SECURE": "<your PROTONMAIL_SECURE>",
        "IMAP_HOST": "<your IMAP_HOST>",
        "IMAP_PORT": "<your IMAP_PORT>",
        "IMAP_SECURE": "<your IMAP_SECURE>",
        "IMAP_USERNAME": "<your IMAP_USERNAME>",
        "IMAP_PASSWORD": "<your IMAP_PASSWORD>",
        "READONLY": "<your READONLY>",
        "RESTRICT_OUTBOUND_TO_SELF": "<your RESTRICT_OUTBOUND_TO_SELF>",
        "ALLOW_FILE_DOWNLOAD_DIR": "<your ALLOW_FILE_DOWNLOAD_DIR>",
        "ALLOW_EMPTY_FOLDER": "<your ALLOW_EMPTY_FOLDER>",
        "DEBUG": "<your DEBUG>"
      }
    }
  }
}

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/io.github.sethbang%2Fproton-mail-mcp.svg)](https://mcptoplist.com/server/io.github.sethbang%2Fproton-mail-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.sethbang%2Fproton-mail-mcp"><img src="https://mcptoplist.com/badge/io.github.sethbang%2Fproton-mail-mcp.svg" alt="MCP Toplist: Top 25% of 115,591" /></a>

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

REGISTRIES

Listed on 3 registries (1 delisted)

Glama

PulseMCPDelisted · last seen Jun 4, 2026

Official MCP

mcp.so

ORGANIZATION

sethbang

Organization

sethbang

Servers in org

Versions across org

Other servers by sethbang

Universal Screenshot MCP#2,573 · 6 vers

View all sethbang servers →

VERSIONS

Available versions (1)

Version	Published
1.0.1	May 30, 2026

FAQ

Frequently asked questions

Who maintains Proton Mail (unofficial)?: Proton Mail (unofficial) is maintained by sethbang, which publishes 2 MCP servers (7 total versions) tracked on MCP Toplist.
Is Proton Mail (unofficial) listed on the Official MCP Registry?: Yes — Proton Mail (unofficial) is listed on the Official MCP Registry, alongside Glama, PulseMCP and mcp.so.
How many versions does Proton Mail (unofficial) have?: MCP Toplist tracks 1 version of Proton Mail (unofficial), most recently published on May 30, 2026.
Where can I find the source code for Proton Mail (unofficial)?: The source code for Proton Mail (unofficial) is hosted at github.com/sethbang/proton-mail-mcp.

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