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Proton Safe MCP

io.github.fbossiere/proton-safe-mcp · v2.3.2

Read Proton Mail, extract bounded attachment text, and create explicitly confirmed drafts.

Connect Runs on your machine

Terminal
claude mcp add proton-safe-mcp -e PROTON_BRIDGE_USER=<PROTON_BRIDGE_USER> -e PROTON_IMAP_PORT=<PROTON_IMAP_PORT> -- uvx proton-safe-mcp==2.3.2
claude_desktop_config.json
{
  "mcpServers": {
    "proton-safe-mcp": {
      "command": "uvx",
      "args": [
        "proton-safe-mcp==2.3.2"
      ],
      "env": {
        "PROTON_BRIDGE_USER": "<PROTON_BRIDGE_USER>",
        "PROTON_IMAP_PORT": "<PROTON_IMAP_PORT>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "proton-safe-mcp": {
      "command": "uvx",
      "args": [
        "proton-safe-mcp==2.3.2"
      ],
      "env": {
        "PROTON_BRIDGE_USER": "<PROTON_BRIDGE_USER>",
        "PROTON_IMAP_PORT": "<PROTON_IMAP_PORT>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "proton-safe-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "proton-safe-mcp==2.3.2"
      ],
      "env": {
        "PROTON_BRIDGE_USER": "<PROTON_BRIDGE_USER>",
        "PROTON_IMAP_PORT": "<PROTON_IMAP_PORT>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
PROTON_BRIDGE_USER
Required
Proton address configured in Proton Mail Bridge
PROTON_IMAP_PORT
Optional
Local IMAP port shown by Proton Mail Bridge

Details

Package[email protected] (PYPI, stdio)
First published28 Oct 2026
Last updated28 Oct 2026
Registry nameio.github.fbossiere/proton-safe-mcp

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