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: 579

Russian stack

An MCP server that fuses three transit sources, Mosgortrans, the Moscow region RNIS system and Yandex Transport, reconciling arrival predictions

Low risk
Russian stack

An MCP server for Bitrix24 with 12 consolidated tools: tasks, checklists, time tracking, users, departments, workgroups and universal lists

High risk
Russian stack

A hardened VK Ads MCP fork: read-only by default, mutations gated by VK_ADS_ENABLE_WRITES, and SSRF protection on file uploads

High risk
Russian stack

An async Python library for the Bitrix24 REST API: batch calls, pagination and rate limiting, a shared base for building your own MCP servers

Medium risk
Russian stack

A personal fork of the Avito MCP server: the same 148 upstream tools plus read access to Avito Ads statistics and a meaning-based tool search

Low risk

MCP server inside Bitrix24

mcp-bitrix24 (parfeon/mcp-bitrix24)

Russian stack

A Composer package that runs an MCP server inside a Bitrix24 portal itself, with full access to CRM, tasks and groups

High risk
Russian stack

A dependency-free YouGile MCP server: fifteen tools, with read-only and destructive actions marked via MCP annotations

High risk
Russian stack

A lightweight Rust MCP server with HTTP/SSE transport that searches the official 1C:Enterprise 8.3 platform help via SQLite FTS5

Low risk
Russian stack

A Docker gateway with one address instead of several MCP connections: 1C data, BSL navigation, ITS search via 1C:Napparnik, and a web dashboard

High risk

YDB MCP connection demo built on a notes app

Simple CLI Notes Application with YDB

Official

An official YDB example: docker compose brings up a YDB database and the ydb-mcp server, and Cursor runs SQL through them right from chat

Medium risk
Russian stack

An HTTP wrapper around bit2beat/bitrix24-mcp's tools: its own JSON-RPC handler, request authentication, and redaction of Bitrix24 secrets in errors

Medium risk
Russian stack

An MCP server for searching Ozon.by products through a driven browser: cards, reviews, sort filters, no API keys

Low risk
Russian stack

An 18-tool YouGile MCP server that can fetch keys for every company on an account and switch the active one on the fly

Medium risk

Multi-tenant Pyrus MCP server

Pyrus AI Ecosystem — MCP Infrastructure

Russian stack

An enterprise Pyrus v4 API MCP server with multi-tenancy, SQLite persistence and metrics, inside a larger monorepo

High risk

Pyrus MCP server on npm

Pyrus MCP Server

Russian stack

An npm-published Pyrus MCP server: tasks, lists, comments and the user profile, installed in one command

Medium risk
Russian stack

A Bitrix24 MCP server with two separate endpoints: full admin access and a restricted staff tier gated by guard.cjs

High risk

YouGile MCP with priorities and subtasks

@nebelov/yougile-mcp (форк Sunscrypt)

Russian stack

A fork of nebelov/yougile-mcp adding sticker priority and subtask parameters to create and update task, plus its own skill and a security audit

Medium risk
Russian stack

A Python MCP server for Bitrix24 with ten tools covering deals, pipeline stages, comments and linked tasks, for Claude Code via an inbound webhook

Medium 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.