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

Official Zilliz MCP server: the agent runs vector and text search and manages collections and data in Milvus

MCP serverMedium riskNo VPN needed245Repository stars
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Official Alpha Vantage MCP server: quotes, historical series, indicators and company data

MCP serverMedium risk212Repository stars
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Official AgentQL MCP server: extracts structured data from a web page based on a field description

MCP serverMedium risk182Repository stars
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Official SerpApi MCP server: the agent gets results from Google, Bing, YouTube, Amazon and other engines as JSON or Markdown

MCP serverMedium risk174Repository stars
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Confluent MCP server for Kafka: topics, messages, Flink SQL, Schema Registry and connectors

MCP serverHigh risk169Repository stars
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Official Oxylabs MCP server: page scraping with JS rendering, Google and Amazon results, an AI crawler

MCP serverMedium risk106Repository stars
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Official Pinecone MCP server: documentation search, index creation, record upserts and search from your agent

MCP serverHigh risk72Repository stars
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Yandex's official MCP server for web search via Yandex Search API: results with sources and a generative answer

MCP serverMedium riskRussian stackNo VPN needed48Repository stars
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Amplitude's official remote MCP server: ask about product analytics, experiments, dashboards and session replays

MCP serverMedium risk47Repository stars
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Official Apache IoTDB MCP server: SQL over time series in tree and table models, with CSV and Excel export

MCP serverHigh riskNo VPN needed39Repository stars
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Official Aiven MCP server: manage PostgreSQL, Kafka, applications and other services of the cloud data platform from an agent

MCP serverHigh risk28Repository stars
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An official long-term memory MCP server for agents on YDB Serverless: mem0 extracts facts, YDB stores the vectors

MCP serverMedium riskRussian stack2Repository stars
Official

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

MCP serverMedium riskRussian stackNo VPN needed2Repository stars

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.