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: 502

Russian stack

Official ClickHouse MCP server: the agent lists databases and tables and runs SQL, read-only by default

880Repository stars

Jina AI MCP

Jina AI Remote MCP Server

Official

Jina AI's official remote MCP server: pages to Markdown, web search, arXiv, reranking and embeddings

870Repository stars
Official

Connects an agent to a running Next.js 16+ dev server: errors, routes, logs and docs for your installed version

822Repository stars
Official

SonarSource's official MCP server: quality and security issues, quality gates and code analysis from SonarQube Server and Cloud

655Repository stars

Hugging Face MCP Server

Hugging Face Official MCP Server

Official

Hugging Face's official MCP server: Hub search and Gradio apps from Spaces as agent tools

301Repository stars
Official

Datadog's official managed MCP server: logs, metrics, traces and incidents right in your agent

45Repository stars
Official

The official DataLens MCP server from the development team: turns the public DataLens API into three gateway tools instead of hundreds of separate MCP tools

3Repository stars
Russian stack

A Yandex Metrika MCP server generated from the API spec: 108 methods, 10 tools declared by default, transparent filters and response metadata

2Repository stars
Official

DaData official MCP: an agent looks up companies by tax ID, standardizes addresses and identifies a domain or email owner

Official

MWS TeamStream's official MCP: an agent finds recordings by meaning and reads transcripts and summaries right from AI tools

Yandex Wiki MCP server

MCP-сервер Яндекс Вики

Official

Yandex Wiki official MCP: an agent searches and reads knowledge base pages, builds summaries and creates new pages on behalf of the employee

Official

A global intelligence MCP server: news, geopolitical risk, markets and infrastructure exposed as agent tools

87.5KRepository stars

Local code graph for agents: an MCP server returns entry points, symbol links and change impact in one call

72.4KRepository stars
Official

A self-hosted trend and news monitor with an MCP server: hot-topic aggregation, RSS and smart alerts

62.6KRepository stars

An MCP server that builds a code graph of functions, classes, calls and routes and answers the agent's structural queries locally

45.4KRepository stars
Official

The official Reactive Resume MCP server and skill: the agent builds and edits resumes and runs a job application tracker

43.5KRepository stars

A context database for agents: cross-session memory, documents and skills in one viking:// file tree, reachable through MCP and hooks

39KRepository stars
Official

Translates scientific PDFs while keeping formulas, tables and layout intact, as a CLI, Docker image and MCP server for agents

37.3KRepository stars

Local code structure graph: builds a repository map with tree-sitter and serves the assistant only the context a change actually touches over MCP

31.9KRepository stars

Graphiti MCP

Graphiti MCP Server

Zep's Graphiti MCP server: long-term agent memory as a time-aware knowledge graph on FalkorDB or Neo4j

31.3KRepository stars
Official

Long-term memory for agents: a remote MCP server, plugins for Claude Code, Cursor and Codex, and an API for your own apps

31KRepository stars
Official

MCP tools and a CLI for a 3D building editor: the agent creates, inspects and edits architectural scenes

24.4KRepository stars

An MCP server that keeps large tool output out of the agent's context window and stores session memory in SQLite

24.2KRepository stars
Official

An open MCP server and agent skill set for SEO: keyword research, competitors, backlinks and site audits powered by DataForSEO

21.7KRepository stars

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.