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: 178

Official

Bitrix24's official MCP server template on Nuxt: ready tools for tasks and users, three deployment options

High risk6Repository stars
Official

MCP server that checks text for signs of AI generation through the GigaChat API

Medium risk5Repository stars
Official

Hosted MCP server for finding cheap round-trip flights across flexible dates, no key or signup

Medium risk3Repository stars
Official

An official long-term memory MCP server for agents on YDB Serverless: mem0 extracts facts, YDB stores the vectors

Medium risk2Repository stars
Official

Hosted MaxStat MCP server for searching and analyzing channels and posts in the MAX messenger

Medium risk2Repository stars
Official

KontragentPro's official MCP that checks Russian companies by INN with no key required: EGRUL, FNS filings, bankruptcy, inspections and sanctions lists

Low risk
Official

The official MCP server for the paid NewDB API: passports, bailiff debts, company registry, tax account holds and bankruptcy checks across Russia and the CIS

Medium 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
Official

Official hosted RuSender MCP server with ready skills for email campaigns, contact lists and analytics

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.