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Proton Safe MCP

Official registry Other

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

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

PYPI package proton-safe-mcp
Claude Code 
claude mcp add proton-safe-mcp -e 'PROTON_BRIDGE_USER=<PROTON_BRIDGE_USER>' -e 'PROTON_IMAP_PORT=1143' -- uvx proton-safe-mcp==2.3.1 serve
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "proton-safe-mcp": {
            "command": "uvx",
            "args": [
                "proton-safe-mcp==2.3.1",
                "serve"
            ],
            "env": {
                "PROTON_BRIDGE_USER": "<PROTON_BRIDGE_USER>",
                "PROTON_IMAP_PORT": "1143"
            }
        }
    }
}

Environment variables

  • PROTON_BRIDGE_USER required Proton address configured in Proton Mail Bridge
  • PROTON_IMAP_PORT Local IMAP port shown by Proton Mail Bridge

Frequently asked questions

What is Proton Safe MCP?

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

How do I install Proton Safe MCP?

It runs on your machine. In Claude Code: claude mcp add proton-safe-mcp -e 'PROTON_BRIDGE_USER=<PROTON_BRIDGE_USER>' -e 'PROTON_IMAP_PORT=1143' -- uvx proton-safe-mcp==2.3.1 serve. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Proton Safe MCP need an API key?

Yes. It expects PROTON_BRIDGE_USER, which you set in its configuration.

Is Proton Safe MCP open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Proton Safe MCP?

It is published by fbossiere. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.