MCP servers

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an honest read on the risks.

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Found: 94

Mail.ru MCP server

Mail.ru MCP Server (Go Production Edition)

Russian stack

A Go MCP server for Mail.ru mail, SMTP and cloud storage that requires human confirmation before sending mail or changing files

High risk1Repository stars
Russian stack

An npm package with 63 tools for Kaiten covering spaces, boards, cards, checklists, sprints and custom fields, part of the WWmcp series

High risk1Repository stars
Russian stack

A 12-tool WEEEK MCP server split into 7 read and 5 write tools, so an MCP client can auto-approve the safe ones

Medium risk1Repository stars
Russian stack

A full-featured Yandex Tracker MCP server with OAuth2 and Redis caching: the same package and code as the already-cataloged aikts/yandex-tracker-mcp

High risk1Repository stars
Russian stack

A Yandex Calendar MCP server over CalDAV: reading the schedule, creating and editing events, invitations with real email delivery

High risk1Repository stars
Russian stack

An MCP server and OpenClaw plugin for Yandex Mail, Calendar, Disk and Contacts using app passwords

High risk1Repository stars
Russian stack

A local MCP server for the Yandex Weather API: current conditions, forecast, a short summary and comparing two locations, with caching

Low risk
Russian stack

An MCP server for Kaiten with 36 tools: cards, checklists, time tracking and day planning, local or remote with OAuth

High risk
Russian stack

An MCP server for the MAX messenger (formerly VK Teams): sending and reading messages, chat management, pinning and typing status

High risk

CIAN MCP server

CIAN MCP Server

Russian stack

An MCP server for searching Moscow apartment listings on CIAN: filters, price history and rental yield estimates

Low risk
Russian stack

A small read-only MCP server for Mail.ru mail: listing, reading, searching and folders, with no ability to send or delete

Low risk
Russian stack

An MCP server with 52 tools over the official hh.ru API: vacancy search with no token, employer resumes and applications with one, and salary statistics

Medium risk
Russian stack

A small read-focused MCP server for Yandex Disk: folder listings, file search, download links and public links

Medium risk
Russian stack

A native Go CLI and MCP server for Kaiten with safe defaults: write tools are off until explicitly enabled

High risk
Russian stack

An MCP server for Yandex Disk and Yandex Wiki with separate read, write and delete permissions, a path allowlist and audit logging

Medium risk
Russian stack

An MCP server for the employer side of the hh.ru and hh.kz API: your vacancies, applications, resume search, sourcing and webhooks through an OAuth app

High risk
Russian stack

A 66-tool Kaiten MCP server, the only one in this batch supporting Kaiten documents and their inline comment threads

High risk
Russian stack

A small Go MCP server that sends files and audio messages to VK Messenger via a long-lived VK bot token

Medium risk
Russian stack

A remote MCP server on Cloudflare Workers for T-Bank's education platform: courses, timetable and deadlines from a chat with an agent

Medium risk
Russian stack

An MCP server with a local SQLite mirror of Bitrix24 chat history: full-text search, forgotten questions and unkept promises, zero writes back to Bitrix

Medium risk
Russian stack

An MCP server that edits your own career.habr.com profile using a session cookie, because the official API is read-only

High risk

Frequently asked questions

What is an MCP server?

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.

How do I connect an MCP server to an agent?

The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.

Do I need a key or a paid account?

It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.