Can Claude connect to Proton Mail?
Updated October 18, 2026 · from live checks of 45,264 MCP servers · Methodology
Yes, in Claude Desktop or Claude Code.7 Proton Mail MCP servers run locally, which Claude Desktop and Claude Code support; claude.ai on the web needs a live remote server, and none is available right now. Checked on 2026-10-18.
Local Proton Mail servers (Claude Desktop / Claude Code)
| Server | Publisher | Status | Sign-in | Tools | Trust |
|---|---|---|---|---|---|
| Proton Mail (unofficial) | Community | Local install | API key | — | C |
| Proton Bridge MCP | Verified domain | Local install | No auth | — | C |
| Proton Mail MCP | Community | Local install | API key | — | C |
| Baryon — Proton Mail via Bridge | Community | Local install | No auth | — | C |
| Proton Safe MCP | Community | Local install | No auth | — | C |
| Proton Drive CLI MCP | Community | Local install | No auth | — | C |
| Proton Workflow Connector | Community | Local install | API key | — | C |
How to connect Proton Mail to Claude
- In Claude, open Settings → Connectors → Add custom connector.
- Paste the remote server URL from the server page and sign in.
- For a local server, add it to Claude Desktop's config or run
claude mcp addin Claude Code.
Custom connectors work on Free (one connector), Pro, Max, Team and Enterprise. Remote connectors connect from Anthropic's cloud, so the server must be publicly reachable.
Is it safe to connect Proton Mail to Claude?
Check the publisher and trust grade first. Official servers are published by Proton Mail itself; community servers come from third parties and can see whatever your account can. Every server page shows its live status, sign-in type and tool list.
Can ChatGPT connect to Proton Mail?
See https://canmyaiuse.pages.dev/can/chatgpt/proton/
Does Proton Mail have an official MCP server?
Not in the official MCP Registry as of 2026-10-18. Full list: https://canmyaiuse.pages.dev/apps/proton/