MCP Tools DirectoryAbout this integration
Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP
- Transport
- stdio
- Authentication
- unknown
- Initial setup
- credentials
- Runtime
- unattended
- Evidence
- documented
- Version
- 1.0.2
- Package
- proton-mail-mcp
- Last compatibility test
- Not independently tested
Connect your agent
proton-mail-mcpPublisher README and npm manifest reviewed from pinned captures. This is explicitly unofficial and unaffiliated with Proton. No mailbox, message, SMTP endpoint, or Bridge instance was accessed.
Capabilities: Read, search, and organize Proton Mail through IMAP Bridge, Send, reply to, and forward messages through SMTP, Manage folders, labels, attachments, and mailbox summaries
Connected profiles
Additional details
io.github.sethbang/proton-mail-mcp
Source ↗ · Checked 2026-09-171.0.2
Source ↗ · Checked 2026-09-17CC0-1.0; package licenses are separate
Source ↗ · Checked 2026-09-17npm
Source ↗ · Checked 2026-09-17PROTONMAIL_USERNAME, PROTONMAIL_PASSWORD
Source ↗ · Checked 2026-09-17proton-mail-mcp
Source ↗ · Checked 2026-09-191.0.2
Source ↗ · Checked 2026-09-19The publisher documents that the MCP client launches the server automatically with npx or a local Node.js build.
Source ↗ · Checked 2026-09-19The server uses a Proton Mail username with an SMTP password and may also use separate local Bridge IMAP credentials; username/password authentication falls outside the native taxonomy.
Source ↗ · Checked 2026-09-19The MCP client configuration spawns npx with proton-mail-mcp and supplies credentials through environment variables.
Source ↗ · Checked 2026-09-19Publisher documentation reviewed; package and integration endpoint not executed or independently security-audited.
Source ↗ · Checked 2026-09-19