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glama

Proton Mail Bridge MCP

Professional Proton Mail management with 20+ tools, advanced analytics, and seamless Proton Bridge integration.

→ googlarz/proton-mail-bridge-mcp· listed on glama
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// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 2 credentials: PROTONMAIL_IMAP_PASSWORD, PROTONMAIL_PASSWORD
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies3 high3 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.11.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.11.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.11.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

lowmailparser@3.7.1GHSA-7gmj-h9xc-mcxc

mailparser vulnerable to Cross-site Scripting

lownodemailer@8.0.3GHSA-c7w3-x93f-qmm8

Nodemailer has SMTP command injection due to unsanitized `envelope.size` parameter

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configCLAUDE_DESKTOP_CONFIG_PATH
configPROTONMAIL_ALLOWED_ACTIONS— 'mark_read,archive,trash' # per-action allowlist
configPROTONMAIL_ALLOW_FILE_DOWNLOAD_DIR
configPROTONMAIL_ALLOW_REMOTE_DRAFT_SYNC
configPROTONMAIL_ALLOW_SEND— false # disable SMTP sends only (other writes still work)
configPROTONMAIL_ALLOW_UNSAFE_HTML
configPROTONMAIL_AUTO_SYNC
configPROTONMAIL_AUTO_SYNC_FOLDER
configPROTONMAIL_AUTO_SYNC_FULL
configPROTONMAIL_AUTO_SYNC_LIMIT_PER_FOLDER
configPROTONMAIL_CLAUDE_RUNTIME_DIR
configPROTONMAIL_DATA_DIR— "$HOME/.proton-mail-bridge-client"
configPROTONMAIL_DEBUG
configPROTONMAIL_IDLE_MAX_SECONDS
configPROTONMAIL_IDLE_WATCH
configPROTONMAIL_IMAP_HOST— "": "127.0.0.1",
🔐 secretPROTONMAIL_IMAP_PASSWORD
configPROTONMAIL_IMAP_PORT— "": "1143",
configPROTONMAIL_IMAP_USERNAME
🔐 secretPROTONMAIL_PASSWORD— "": "your-bridge-password",
configPROTONMAIL_PASSWORD_COMMAND— "": "pass proton/password",
configPROTONMAIL_PASSWORD_FILE— "": "/path/to/password.txt",
configPROTONMAIL_READ_ONLY— true # disable all write operations
configPROTONMAIL_SMOKE_ALLOW_MUTATIONS
configPROTONMAIL_SMOKE_FORWARD_TO
configPROTONMAIL_SMOKE_MUTATION_EMAIL_ID
configPROTONMAIL_SMOKE_SELF_TO
configPROTONMAIL_SMTP_HOST— "": "127.0.0.1",
configPROTONMAIL_SMTP_PORT— "": "1025"
configPROTONMAIL_STARTUP_SYNC
configPROTONMAIL_SYNC_INTERVAL_MINUTES
configPROTONMAIL_TOOL_TIER— core # expose 20 core tools instead of all 76 — saves context window
configPROTONMAIL_USERNAME— "": "you@proton.me",
configPROTONMAIL_USERNAME_COMMAND— "": "pass proton/username",
configPROTONMAIL_USERNAME_FILE— "": "/path/to/username.txt",
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/googlarz-proton-mail-bridge-mcp-lqcvn0)](https://m8ven.ai/mcp/googlarz-proton-mail-bridge-mcp-lqcvn0)
commit: 9f9b1a9da662c6f198710482446ef13fec07ac5f
code hash: 8180e3e239bc394ebe057fe28b86c4db6cb53ad7d0fa39ebe2eb1c652fd1091e
verified: 6/13/2026, 10:51:12 AM
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