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: 40

Microsoft's official MCP server for driving a browser with Playwright through the accessibility tree, no screenshots needed

37.7KRepository 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

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

31.8KRepository stars

A local web engine for the agent over MCP: search, fetch, crawl, extract and research with no keys and no cloud

5.4KRepository stars

MCP server for spec-driven development: requirements, design and tasks step by step, with a web dashboard and a VS Code extension

4.3KRepository stars

An MCP server that inserts a human feedback step into agent tasks: a web or desktop window for text, images and prompts

3.8KRepository stars

An MCP server that indexes code with tree-sitter and returns individual functions and classes to the agent instead of whole files

2.7KRepository stars

An MCP server that turns a request into a step plan with dependencies and keeps context across agent sessions

2.1KRepository stars

An MCP server that lets an agent control the Unreal Engine editor in words: actors, blueprints, node graphs, camera

2.1KRepository stars

An MCP server that turns a large codebase into a semantic feature graph for precise navigation and meaning-based search

2KRepository stars

Self-hosted long-term memory for agents: semantic search, a knowledge graph and autonomous consolidation over MCP and a REST API

2KRepository stars

A code-intelligence engine for agents: builds a project graph and serves symbol lookup, call chains and blast radius, saving context

1.8KRepository stars

A local MCP server for safe read, search and edit of notes in an Obsidian vault, restricted to the vault root

1.7KRepository stars

data.gouv.fr MCP

data.gouv.fr MCP Server

Official

Official MCP server for France's open data portal: search, explore and query datasets straight from a chat with the agent

1.6KRepository stars

MCP Server for WinDbg

MCP Server for WinDbg Crash Analysis

An MCP server that hands the agent the Windows debuggers: crash dump analysis, remote and kernel debugging in natural language

1.6KRepository stars

Qdrant MCP Server

mcp-server-qdrant

Official

Qdrant's official MCP server: semantic memory for agents on a vector database, storing and retrieving by meaning

1.5KRepository stars

MCP server for Apple's official developer docs: search frameworks, APIs, code samples and WWDC sessions from your agent

1.4KRepository stars

A self-hosted MCP server for long-term agent memory: structured records, versioned rollback and a visual dashboard

1.4KRepository stars

Search and drop in icons from 150+ Iconify collections as an MCP server, CLI and skill, writing SVG straight into the project

1.3KRepository stars

mcpdoc

MCP LLMS-TXT Documentation Server

An MCP server from LangChain that serves docs from the llms.txt files you choose, with auditable tool calls

1KRepository stars

An MCP server for a project memory bank: the agent stores and reads memory files through one service instead of inside the project

921Repository stars

An MCP server that checks whether the agent is really done: drives the real app and returns pass, fail or couldn't tell with the file and line

915Repository stars

Local shared project memory for coding agents: facts, decisions and commits available through MCP, CLI and hooks in any agent

816Repository stars

A local MCP server and CLI for agents: semantic code search, call graphs and change-impact analysis

745Repository 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.