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Email MCP: Yandex, Mail.ru and other providers

Email MCP Server

An HTTP/SSE wrapper around an IMAP MCP server for remote mailbox access from Claude Web: read, search, send, across 15 providers

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MCP server

Broad access

Why this level

  • It can send, forward and delete email on the user's behalf
  • Mail credentials are stored in a Docker volume; server access equals mailbox access
All reasons and checks
Russian stack

sventern/mcp_emailAuthor:SvenTern

Install

Services

Manual install

git clone https://github.com/nikolausm/imap-mcp-server.git && cd imap-mcp-server && npm install && npm run build && npm run setup

The base server this repository wraps.

Access and checks

How we review

Broad accessThe tool can change data, run commands or handle secrets.

  • It can send, forward and delete email on the user's behalf
  • Mail credentials are stored in a Docker volume; server access equals mailbox access

This is third-party code. Review the repository files before installing.

What it does

The server wraps the third-party STDIO MCP server nikolausm/imap-mcp-server in an HTTP/SSE transport so a mailbox can be reached remotely, for example from Claude Web through a custom connector. It supports several mail accounts at once, encrypts credentials with AES-256, and provides tools for reading, searching, sending, replying to and forwarding email, plus folder management. The README gives specific setup steps for Gmail, Outlook, Yahoo and the Russian mail services Yandex and Mail.ru, with concrete IMAP/SMTP addresses.

Who it is for. For people who want to give an agent access to a personal or work mailbox on Yandex, Mail.ru or another provider from Claude Web.

Good fit when

  • You need remote mailbox access through Claude Web, not just a desktop client
  • You have several mail accounts, including Yandex or Mail.ru, and want to manage them from one place
  • You need to send and forward mail, not just read it

Not a fit when

  • You only need local access to one account: it is simpler to run the base imap-mcp-server without the wrapper
  • You have no server to deploy the wrapper on: the repository assumes self-hosting, there is no ready cloud instance

Example request

Find unread emails from accounting in my Yandex mailbox from the last week

MCP

Transport
http
Authentication
API key

Environment variables

HOST
Address the server listens on, defaults to 0.0.0.0
PORT
Server port, defaults to 8080
IMAP_SERVER_PATH
Path to the built imap-mcp-server

Limitations

This is a wrapper around a separate project, nikolausm/imap-mcp-server, and the core mail logic lives there, not in this repository. The README references the author's own production server (217.199.253.8, mcp.svsfinpro.ru) as a deployment example; for your own use you need your own server. It requires an app password from the mail provider, a regular account password will not work.

How to disable. Stop the container (docker-compose down) or remove the connector from Claude Web settings, then revoke the app password at the mail provider.

FAQ

Does it work with Yandex and Mail.ru?

Yes, the README gives ready IMAP/SMTP addresses for both: imap.yandex.ru and imap.mail.ru.

Do I need my own server?

Yes, remote HTTP/SSE access requires your own hosting; the project does not provide a ready cloud instance.

Discussion

No questions or reviews yet.

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README in short

The README describes the wrapper architecture over imap-mcp-server, local and Docker startup, health and sse endpoints, the full IMAP tool list (accounts, mail, folders), app-password instructions for Gmail, Yandex and Mail.ru, and security and deployment notes for the author's own production server.

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