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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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Official only205Works without a VPN883Russian stack only

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CategoryData and databases
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RoleDevOps engineer
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Found: 10
Data and databasesDevOps engineerOfficial only
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Found: 10
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Data and databasesDevOps engineerOfficial only
Official

An MCP server and skills from TigerData that help agents write PostgreSQL schemas and queries from current docs and practices

MCP serverMedium risk1.9K
Official

Official MongoDB MCP server: queries and aggregations, index management, Atlas clusters and local deployments

MCP serverHigh risk1.1K
Official

Neon's official remote MCP server: projects, branches, SQL queries and Postgres migrations from your agent

MCP serverHigh risk648
Official

Redis's official MCP server: strings, hashes, streams, JSON and vector search from your agent

MCP serverHigh riskNo VPN needed628
Official

YDB's own official MCP server from the database's developers: parameterized SQL queries, execution plans, directory browsing, and a base for custom servers

MCP serverHigh riskRussian stackNo VPN needed29
Official

A lightweight database workspace with an MCP server: the agent reads the schema, runs queries and explores data in PostgreSQL, MySQL and more

MCP serverHigh riskNo VPN needed5K
Official

On-premises RAG in containers with an MCP server: the agent searches your documents while data stays local

MCP serverMedium risk1K
Official

Apache Doris's official read-only MCP server: catalogs, queries, cluster diagnostics, search and lineage

MCP serverMedium riskNo VPN needed348
Official

Confluent MCP server for Kafka: topics, messages, Flink SQL, Schema Registry and connectors

MCP serverHigh risk169

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

MCP serverMedium riskRussian stackNo VPN needed

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.