A Model Context Protocol (MCP) server that gives AI assistants full access to your Proton Mail account -- send, read, search, and organize email over SMTP and IMAP.
Proton Mail MCP is an MCP project maintained in the sethbang/proton-mail-mcp repository. The maintainer describes its purpose as “A Model Context Protocol (MCP) server that gives AI assistants full access to your Proton Mail account -- send, read, search, and organize email over…”. Read the project documentation for the complete scope.
The documented npm package is proton-mail-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares PROTONMAIL_USERNAME, PROTONMAIL_PASSWORD. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| send_email | |
| reply_email | |
| reply_all_email | |
| forward_email | |
| save_draft | |
| list_folders | |
| list_messages | |
| read_message | |
| list_attachments | |
| download_attachment | |
| search_messages | |
| get_thread | |
| move_message | |
| delete_message | |
| update_message_flags | |
| update_message_labels | |
| mark_all_read | |
| bulk_move | |
| bulk_delete | |
| bulk_update_flags | |
| bulk_update_labels | |
| create_folder | |
| create_label | |
| rename_folder | |
| delete_folder | |
| empty_folder | |
| count_messages | |
| folder_stats | |
| top_senders | |
| move_thread | |
| delete_thread | |
| flag_thread |
{
"mcpServers": {
"protonmail": {
"command": "npx",
"args": [
"-y",
"proton-mail-mcp"
],
"env": {
"PROTONMAIL_USERNAME": "your-email@protonmail.com",
"PROTONMAIL_PASSWORD": "YOUR_PROTONMAIL_PASSWORD"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| PROTONMAIL_USERNAME | Declared in the maintainer’s client configuration. | Check documentation |
| PROTONMAIL_PASSWORD | Declared in the maintainer’s client configuration. | Check documentation |
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