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Proton Mail (unofficial)

Local package path declaredCredentials listedRepository declared by sourceUpdated 2026-05-30

io.github.sethbang/proton-mail-mcp · Registry status: active

Report data on this entry

At a glance

Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

Vendor's own description, untranslated and unverified

Execution location
Local package path declaredMCP-Register · 2026-08-06
Required secrets declared
Credentials listedMCP-Register · 2026-08-06
Declared version and change
1.0.2 · Source-reported change date 2026-05-30MCP-Register · 2026-08-06
Repository as declared
github.com/sethbang/proton-mail-mcpMCP-Register · 2026-08-06
Configuration
can be built from the disclosed start template

Inspect connection paths and prerequisites

Related categories

6 of 14 categories. All categories in the segment catalogue

Page last changed:

Sources and collection
Runs
Local package path declared
Credentials
Credentials listed
Registry record changed
2026-05-30
Setup
Template available
Registry name
io.github.sethbang/proton-mail-mcp
Package coordinate
npm:proton-mail-mcp
Declared version
1.0.2
Source-reported listing date
2026-05-30
Source-reported change date
2026-05-30
First seen by tracevero
2026-08-06
Vendor's website
https://sethbang.github.io/proton-mail-mcp/

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin. What the confidence levels mean

Measured values

Measured values
Required secrets declaredCredentials listed yes
Original data – Required secret variables (raw): PROTONMAIL_PASSWORD
Original data – Required secret headers (raw): confirmed absent
Source: MCP-Register · collected on 2026-08-06 · derived
Execution locationLocal package path declared local
Original data – Transports (raw): stdio
Source: MCP-Register · collected on 2026-08-06 · derived
Path argument presentno
Original data – Path arguments (raw): confirmed absent
Original data – Path environment variables (raw): confirmed absent
Source: MCP-Register · collected on 2026-08-06 · derived
Repository URL listedRepository declared by source yes
Original data – Repository (raw): https://github.com/sethbang/proton-mail-mcp
Source: MCP-Register · collected on 2026-08-06 · derived
Field of use, derived from the vendor descriptionEmail
Original data – Description (raw): Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP
Source: MCP-Register · collected on 2026-08-26 · derived
Declared version1.0.2
Source: MCP-Register · collected on 2026-08-06 · self-declared

What is measured is what a manifest declares, not what a piece of software does. This registry fetches no repository URL, no endpoint and no package index; nothing here is verified. Which value comes from which source, and by which rule it was formed, is set out in the Methodology.

Source data25

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.

Raw values
Description (raw)Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP
Source: MCP-Register · collected on 2026-08-26 · self-declared
Environment variables (raw)PROTONMAIL_USERNAME, PROTONMAIL_PASSWORD, PROTONMAIL_HOST, PROTONMAIL_PORT, PROTONMAIL_SECURE, IMAP_HOST, IMAP_PORT, IMAP_SECURE, IMAP_USERNAME, IMAP_PASSWORD, READONLY, RESTRICT_OUTBOUND_TO_SELF, ALLOW_FILE_DOWNLOAD_DIR, ALLOW_EMPTY_FOLDER, DEBUG
Source: MCP-Register · collected on 2026-08-06 · self-declared
Required secret variables (raw)PROTONMAIL_PASSWORD
Source: MCP-Register · collected on 2026-08-06 · self-declared
Transports (raw)stdio
Source: MCP-Register · collected on 2026-08-06 · self-declared
Path arguments (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-06 · self-declared
Repository (raw)https://github.com/sethbang/proton-mail-mcp
Source: MCP-Register · collected on 2026-08-06 · self-declared
Package registries (raw)npm
Source: MCP-Register · collected on 2026-08-06 · self-declared
Required secret headers (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Path environment variables (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Remote URLs (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Remote hosts (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Registry status message (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
First listed in the registry (raw)2026-05-30
Source: MCP-Register · collected on 2026-08-16 · self-declared
Last changed in the registry (raw)2026-05-30
Source: MCP-Register · collected on 2026-08-16 · self-declared
Schema version of the raw record (raw)https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json
Source: MCP-Register · collected on 2026-08-16 · self-declared
Delivery form (raw)package
Source: MCP-Register · collected on 2026-08-16 · self-declared
Repository platform (raw)github
Source: MCP-Register · collected on 2026-08-16 · self-declared
Repository subfolder (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Package identifiers (raw)proton-mail-mcp
Source: MCP-Register · collected on 2026-08-16 · self-declared
Package versions (raw)1.0.2
Source: MCP-Register · collected on 2026-08-16 · self-declared
Runtime hints (raw)npx
Source: MCP-Register · collected on 2026-08-16 · self-declared
Environment variable formats (raw)number
Source: MCP-Register · collected on 2026-08-16 · self-declared
Environment variable descriptions (raw)ALLOW_EMPTY_FOLDER=Register the empty_folder tool (not recommended) · ALLOW_FILE_DOWNLOAD_DIR=Allowlist directory enabling download_attachment.saveTo; when unset, attachments return as inline base64 · DEBUG=Enable verbose logging to stderr · IMAP_HOST=Proton Mail Bridge IMAP host (required for read/search tools) · IMAP_PASSWORD=Proton Mail Bridge password (falls back to PROTONMAIL_PASSWORD) · IMAP_PORT=Proton Mail Bridge IMAP port · IMAP_SECURE=Use TLS for IMAP · IMAP_USERNAME=Proton Mail Bridge username (falls back to PROTONMAIL_USERNAME) · PROTONMAIL_HOST=SMTP host · PROTONMAIL_PASSWORD=Your Proton Mail SMTP password (not your login password; generate one in Proton settings) · PROTONMAIL_PORT=SMTP port · PROTONMAIL_SECURE=Use TLS for SMTP (true for port 465) · PROTONMAIL_USERNAME=Your Proton Mail email address · READONLY=Disable all mutating tools (send, move, delete, flags, labels, bulk ops, folder/label management) · RESTRICT_OUTBOUND_TO_SELF=Refuse live sends to any recipient other than PROTONMAIL_USERNAME (for throwaway/QA accounts)
Source: MCP-Register · collected on 2026-08-16 · self-declared
Icon formats (raw)confirmed absent
Source: MCP-Register · collected on 2026-08-16 · self-declared
Connection paths (source structure){"packages":[{"registryType":"npm","identifier":"proton-mail-mcp","version":"1.0.2","runtimeHint":"npx","transport":"stdio","environment":[{"name":"PROTONMAIL_USERNAME","description":"Your Proton Mail email address","required":true,"secret":false},{"name":"PROTONMAIL_PASSWORD","description":"Your Proton Mail SMTP password (not your login password; generate one in Proton settings)","required":true,"secret":true},{"name":"PROTONMAIL_HOST","description":"SMTP host","required":false,"secret":false},{"name":"PROTONMAIL_PORT","description":"SMTP port","format":"number","required":false,"secret":false},{"name":"PROTONMAIL_SECURE","description":"Use TLS for SMTP (true for port 465)","required":false,"secret":false},{"name":"IMAP_HOST","description":"Proton Mail Bridge IMAP host (required for read/search tools)","required":false,"secret":false},{"name":"IMAP_PORT","description":"Proton Mail Bridge IMAP port","format":"number","required":false,"secret":false},{"name":"IMAP_SECURE","description":"Use TLS for IMAP","required":false,"secret":false},{"name":"IMAP_USERNAME","description":"Proton Mail Bridge username (falls back to PROTONMAIL_USERNAME)","required":false,"secret":false},{"name":"IMAP_PASSWORD","description":"Proton Mail Bridge password (falls back to PROTONMAIL_PASSWORD)","required":false,"secret":true},{"name":"READONLY","description":"Disable all mutating tools (send, move, delete, flags, labels, bulk ops, folder/label management)","required":false,"secret":false},{"name":"RESTRICT_OUTBOUND_TO_SELF","description":"Refuse live sends to any recipient other than PROTONMAIL_USERNAME (for throwaway/QA accounts)","required":false,"secret":false},{"name":"ALLOW_FILE_DOWNLOAD_DIR","description":"Allowlist directory enabling download_attachment.saveTo; when unset, attachments return as inline base64","required":false,"secret":false},{"name":"ALLOW_EMPTY_FOLDER","description":"Register the empty_folder tool (not recommended)","required":false,"secret":false},{"name":"DEBUG","description":"Enable verbose logging to stderr","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]}
Source: MCP-Register · collected on 2026-09-08 · self-declared
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Changes

Changes
2026-09-08Connection paths (source structure): – → {"packages":[{"registryType":"npm","identifier":"proton-mail-mcp","version":"1.0.2","runtimeHint":"npx","transport":"stdio","environment":[{"name":"PROTONMAIL_USERNAME","description":"Your Proton Mail email address","required":true,"secret":false},{"name":"PROTONMAIL_PASSWORD","description":"Your Proton Mail SMTP password (not your login password; generate one in Proton settings)","required":true,"secret":true},{"name":"PROTONMAIL_HOST","description":"SMTP host","required":false,"secret":false},{"name":"PROTONMAIL_PORT","description":"SMTP port","format":"number","required":false,"secret":false},{"name":"PROTONMAIL_SECURE","description":"Use TLS for SMTP (true for port 465)","required":false,"secret":false},{"name":"IMAP_HOST","description":"Proton Mail Bridge IMAP host (required for read/search tools)","required":false,"secret":false},{"name":"IMAP_PORT","description":"Proton Mail Bridge IMAP port","format":"number","required":false,"secret":false},{"name":"IMAP_SECURE","description":"Use TLS for IMAP","required":false,"secret":false},{"name":"IMAP_USERNAME","description":"Proton Mail Bridge username (falls back to PROTONMAIL_USERNAME)","required":false,"secret":false},{"name":"IMAP_PASSWORD","description":"Proton Mail Bridge password (falls back to PROTONMAIL_PASSWORD)","required":false,"secret":true},{"name":"READONLY","description":"Disable all mutating tools (send, move, delete, flags, labels, bulk ops, folder/label management)","required":false,"secret":false},{"name":"RESTRICT_OUTBOUND_TO_SELF","description":"Refuse live sends to any recipient other than PROTONMAIL_USERNAME (for throwaway/QA accounts)","required":false,"secret":false},{"name":"ALLOW_FILE_DOWNLOAD_DIR","description":"Allowlist directory enabling download_attachment.saveTo; when unset, attachments return as inline base64","required":false,"secret":false},{"name":"ALLOW_EMPTY_FOLDER","description":"Register the empty_folder tool (not recommended)","required":false,"secret":false},{"name":"DEBUG","description":"Enable verbose logging to stderr","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]}
2026-08-26Field of use, derived from the vendor description: – → Email
2026-08-26Description (raw): – → Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP

These are the 3 most recent changes to this entry. Full history

tracevero · https://tracevero.com/mcp/io-github-sethbang-proton-mail-mcp