Proton Mail FAQs

Question 1

What is the Proton Mail MCP Server for Claude Code?

Accepted Answer

It's an integration for Claude Code that provides comprehensive access to Proton Mail. It syncs emails to a local SQLite database for offline access, ultra-fast FTS5 full-text search, and offers 13 MCP tools for email management.

Question 2

What are the key email management features offered?

Accepted Answer

It provides 13 MCP tools for comprehensive email management, including sending, replying, moving, marking (read/unread), deleting emails, and downloading attachments. It also supports incremental synchronization for quick updates.

Question 3

How does it enable fast offline email access and search?

Accepted Answer

The server utilizes a local SQLite database (DB-first architecture) where email headers are synced. This allows for instant full-text searches (FTS5) across all email fields and enables you to list and read emails even without an internet connection.

Question 4

What are the prerequisites for setting up this integration?

Accepted Answer

You need Python 3.10+, the Proton Mail Bridge running locally, and the `python-dotenv` and `mcp` packages installed. Configuration involves cloning the repository and setting up your Proton Bridge credentials in a `.env` file.

Question 5

Does it support large email accounts efficiently?

Accepted Answer

Yes, it's designed for efficiency. It supports incremental email synchronization, making subsequent syncs very fast. Email bodies are fetched lazily on demand and cached locally, optimizing bandwidth and storage, making it suitable for managing thousands of emails.

Proton Mail

Proton Mail

Key Features

Use Cases

Key Features

Use Cases