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: 786

Russian stack

Full 65-operation YouGile API coverage with configurable permissions, write confirmation and a shared company rate limit

High risk
Russian stack

12 dependency-free Yandex Direct tools: a plan-then-confirm write flow, with campaign resume and delete simply not implemented

High risk
Official

Aurora OS's official developer portal MCP: an agent finds the right documentation, code examples and exact source links, no login needed

Low risk
Official

T-Investments official remote MCP: an agent reads the portfolio and quotes and can place orders on the brokerage account itself

High risk
Official

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

Medium risk

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

Medium risk

VkusVill MCP server

VV MCP Server

Official

VkusVill's official MCP: product search with ingredients and nutrition, deals, alternatives, recipes, stores and a cart link

Low risk

An open-source Claude Design alternative that builds prototypes, decks, dashboards and video through your local agents

High risk98.7KRepository stars

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

Medium risk72.4KRepository stars

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

Medium risk45.4KRepository stars
Official

The official CCXT MCP server and skills: market data, balances and opt-in trading across crypto exchanges and prediction markets

High risk44.2KRepository stars

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

Medium risk39KRepository 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

Medium risk31.9KRepository 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

Medium risk31.3KRepository 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

Medium risk31KRepository stars
Official

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

Medium risk24.4KRepository stars

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

Medium risk24.2KRepository stars
Official

Local screen and audio recording with natural language search, feeding your activity history to an agent via MCP

High risk21.8KRepository stars

An Android emulator in Docker with an MCP server: the agent drives the device over adb, opens apps and pages, presses buttons

Medium risk15.9KRepository stars

Control the Unity Editor from an agent over MCP: scenes and objects, C# scripts, assets, tests, profiling and builds

High risk14.6KRepository stars
Official

A semantic code search MCP server: indexes the project into a vector database and gives the agent only relevant snippets

Medium risk12.6KRepository stars

A Chrome extension with an MCP server: the agent drives your everyday browser with its sessions, tabs, bookmarks and history

High risk12.5KRepository stars

MCP server that bridges IDA Pro with an agent: reading decompilation, renaming and typing, comments and running IDAPython right in the database

High risk12.4KRepository stars

An offensive security MCP server: the agent runs 150+ pentest and recon tools and drives automated target assessments

High risk12.2KRepository 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.