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Best Productivity ResourcesBy Shushant LakhyaniVerified creator

AI Tool

Proton Mail Bridge Client

A local-first Proton Mail MCP server and CLI that lets Claude search, draft and organise your mail.

Visit Proton Mail Bridge Client4.3

  • Rating

    4.3 / 5

  • Pricing

    Free

  • Difficulty

    Intermediate

  • Works on

    macOS, Windows, Linux

Built with love by Shushant Lakhyani. Building bestproductivityresources.com

Free: 1,100+ ways people make money onlineFree: 399+ ways to make money online

What is Proton Mail Bridge Client?

Proton Mail Bridge Client connects Claude Desktop, Claude Code or any MCP client to your Proton Mail inbox through Proton Bridge. It offers 96 tools to search, draft, send, triage threads and manage folders, plus read-only and send-to-self safety modes. It runs locally on macOS, Linux and Windows.

Third-party open-source projects. We are not affiliated with their authors; repositories are provided as-is by their maintainers. Review each project's license, code and security before installing. See our Disclaimer.

Pros: what Proton Mail Bridge Client does well

  • Lets Claude work with encrypted Proton Mail locally
  • Read-only and send-to-self modes limit risk
  • MIT licensed, installable as a Claude Desktop bundle or from npm

Cons: where it falls short

  • Needs Proton Mail Bridge installed and running, which requires a paid Proton plan
  • Giving an agent access to your inbox needs care

Who Proton Mail Bridge Client is for

Proton Mail users who want Claude to triage, search and draft their email.

Who can skip it

People on other email providers.

Proton Mail Bridge Client alternatives

Not sold on Proton Mail Bridge Client? These do a similar job, and each card says what it has in common.

All Email resources

People Context

Focus: memory, local-first and sqlite. Shares mcp and privacy with Proton Mail Bridge Client. Rated 4.4 (Proton Mail Bridge Client: 4.3).

AI ToolFreemacOS, Windows
4.4Visit

Google Workspace MCP

Focus: mcp server, google workspace and ai assistant. Also in AI Productivity and Automation, like Proton Mail Bridge Client. Rated 4.5 (Proton Mail Bridge Client: 4.3).

AI ToolFreemacOS, Windows
4.5Visit

hol-guard

Focus: ai agents, security and prompt injection. Shares mcp with Proton Mail Bridge Client. Rated 4.7 (Proton Mail Bridge Client: 4.3).

AI ToolFreemacOS, Windows
4.7Visit

TypeUI

Focus: ai coding, design system and ui prompts. Shares mcp with Proton Mail Bridge Client. Freemium (Proton Mail Bridge Client: Free). Adds Web. Rated 4.7 (Proton Mail Bridge Client: 4.3).

AI ToolFree planWeb
4.7Visit

VoiceStudio

Focus: voice ai, text to speech and voice cloning. Shares privacy with Proton Mail Bridge Client. Rated 4.6 (Proton Mail Bridge Client: 4.3).

AI ToolFreeCross-Platform
4.6Visit

Codebase Memory MCP

Focus: code intelligence, knowledge graph and indexing. Shares mcp with Proton Mail Bridge Client. Adds Web. Rated 4.5 (Proton Mail Bridge Client: 4.3).

AI ToolFreeWeb, Cross-Platform
4.5Visit

Free alternatives to Proton Mail Bridge Client

Want to spend nothing? These free picks cover similar ground.

Mulmoclaude

Focus: ai assistant, local-first and open source. Shares privacy with Proton Mail Bridge Client. Rated 4.5 (Proton Mail Bridge Client: 4.3).

AI ToolFreeCross-Platform
4.5Visit

toolport

Focus: gateway, tools and local first. Shares mcp with Proton Mail Bridge Client. Rated 4.5 (Proton Mail Bridge Client: 4.3).

AI ToolFreemacOS, Windows
4.5Visit

agnix

Focus: linter, claude.md and agent config. Shares mcp with Proton Mail Bridge Client. Rated 4.4 (Proton Mail Bridge Client: 4.3).

AI ToolFreeCross-Platform
4.4Visit

Atomic Mail Agentic

Focus: agent email, jmap and inbox. Shares mcp with Proton Mail Bridge Client. Rated 4.4 (Proton Mail Bridge Client: 4.3).

AI ToolFreeCross-Platform
4.4Visit

Gollem

Focus: golang, ai agents and llm. Shares mcp with Proton Mail Bridge Client. Adds Web. Rated 4.4 (Proton Mail Bridge Client: 4.3).

AI ToolFreeWeb
4.4Visit

Kiln

Focus: 3d printing, ai agents and open source. Shares mcp with Proton Mail Bridge Client. Rated 4.4 (Proton Mail Bridge Client: 4.3).

AI ToolFreeCross-Platform
4.4Visit
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