How do I install mail-mcp?

Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/tecnologicachile/mail-mcp

Is mail-mcp official and is it maintained?

We found nothing naming it as a vendor’s official server. Its repository has 108 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-23.

What licence does mail-mcp use?

The repository declares the MIT licence.

InfratoApp / Resources / MCP servers / mail-mcp

mail-mcp

mail-mcp is an MCP server, listed under communication. It reaches gmail and mail. It needs MAIL_OAUTH2_DEFAULT_CLIENT_SECRET, MAIL_OAUTH2_DEFAULT_REFRESH_TOKEN, MAIL_OAUTH2_WORK_CLIENT_SECRET and MAIL_OAUTH2_WORK_REFRESH_TOKEN to authenticate. Its repository has 108 GitHub stars and is licensed under MIT; we last read it on 2026-10-24.

mail-mcp is a secure server for managing IMAP, SMTP, EWS, and Graph API connections, supporting Microsoft 365, Hotmail, Gmail, Zoho, and OAuth2 authentication, with multi-account capabilities.

Install

MCP servers are packaged differently from each other -- some run via npx, some as a Docker image, some as a plain script you clone and run. mail-mcp’s own README did not state one plainly enough for this page to quote it rather than guess, so it will not guess. The repository below states it.

Read mail-mcp’s own install instructions ↗

What it reaches, and what it needs

Reaches

gmail, mail

Credential

MAIL_OAUTH2_DEFAULT_CLIENT_SECRET, MAIL_OAUTH2_DEFAULT_REFRESH_TOKEN, MAIL_OAUTH2_WORK_CLIENT_SECRET, MAIL_OAUTH2_WORK_REFRESH_TOKEN

Maintenance

Stars

108

State

listed

Licence

MIT

From the repository

Secure IMAP/SMTP/EWS/Graph API MCP server in Rust — Microsoft 365, Hotmail, Gmail, Zoho, OAuth2, multi-account

View on GitHub ↗2026-10-24

What mail-mcp can do

3 tools documented in its README. An AI client calls these by name.

imap_get_attachment: Download a single email attachment to disk.
imap_get_message: Retrieve metadata and optionally extracted text from an email message.
imap_get_message_raw: Retrieve the raw content of an email message, up to 1 MB.

Read from the README; names are kept only if the README contains them.

mail-mcp compared with similar servers

mail-mcp compared with the closest alternatives, by services reached, credentials, stars, last update and licence
Server	Reaches	Needs	Stars	Last update	Licence
mail-mcp (this page)	gmail, mail	MAIL_OAUTH2_DEFAULT_CLIENT_SECRET, MAIL_OAUTH2_DEFAULT_REFRESH_TOKEN, MAIL_OAUTH2_WORK_CLIENT_SECRET, MAIL_OAUTH2_WORK_REFRESH_TOKEN	108	2026-10-23	MIT
google-workspace-mcp	gmail, google(1 shared)	GOOGLE_CLIENT_SECRET	192	2026-10-21	Apache-2.0
mcp-server-email	gmail(1 shared)	None listed	81	2025-04-27	MIT
mcp-headless-gmail	gmail(1 shared)	None listed	55	2025-05-24	MIT
mail-use	gmail(1 shared)	None listed	47	2026-10-13	MIT
google-workspace-mcp-server	gmail, google(1 shared)	GOOGLE_CLIENT_SECRET, GOOGLE_REFRESH_TOKEN	31	2024-12-29	MIT

Ranked by services in common with mail-mcp, then by stars. Figures are from each repository when we last read it.

Common questions about mail-mcp

What does mail-mcp do?: mail-mcp is a secure server for managing IMAP, SMTP, EWS, and Graph API connections, supporting Microsoft 365, Hotmail, Gmail, Zoho, and OAuth2 authentication, with multi-account capabilities.
How do I install mail-mcp?: Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/tecnologicachile/mail-mcp
What does mail-mcp connect to, and what does it need?: It reaches gmail and mail. The credentials we found in its source are MAIL_OAUTH2_DEFAULT_CLIENT_SECRET, MAIL_OAUTH2_DEFAULT_REFRESH_TOKEN, MAIL_OAUTH2_WORK_CLIENT_SECRET and MAIL_OAUTH2_WORK_REFRESH_TOKEN.
Is mail-mcp official and is it maintained?: We found nothing naming it as a vendor’s official server. Its repository has 108 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-23.
What licence does mail-mcp use?: The repository declares the MIT licence.

More MCP servers for communication

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