MCP servers for AI agents

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 access level with its reasons.

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Found: 1567

Official

Microsoft's utility and MCP server that turn PDF, Word, Excel, PowerPoint, HTML and other files into Markdown for models

Extended access192.9KRepository stars

Reference MCP servers

Model Context Protocol servers

Official

Official reference MCP servers: Filesystem, Fetch, Git, Memory, Sequential Thinking, Time and Everything

Extended access91.7KRepository stars
Official

An open-source crawler that turns websites into clean Markdown for AI agents: install from PyPI, run in Docker and connect to Claude Code over MCP

Extended access86.6KRepository stars

An MCP server built into the Netdata agent: metrics, logs, alerts and live process, service and container data for an AI assistant

Extended access81.2KRepository stars
Official

Local context compression for agents: tool outputs, logs, files and RAG chunks shrink before reaching the LLM. Proxy, CLI, library and MCP

Broad access78.3KRepository stars
Official

Up-to-date, version-specific library docs and code examples in your agent's context, via MCP or a CLI plus skill

Extended access63.9KRepository stars
Official

Local memory for agents: stores conversations and project files verbatim and retrieves them with semantic search over MCP

Extended access59.8KRepository stars
Official

A long-term memory system for AI agents: the agent stores experience and facts, then retrieves them through a built-in MCP server

Broad access56.3KRepository stars
Official

The Chrome DevTools team's official MCP server: the agent drives a live Chrome, reads network and console, and records performance traces

Extended access54.4KRepository stars

Indexes a codebase into a knowledge graph and gives the agent call chains, change blast radius and code search over MCP

Extended access48.1KRepository stars
Official

A self-hosted knowledge base with block-level references and a built-in MCP server for connecting AI agents to your notes

Extended access47KRepository stars
Official

An MCP server and web tool for improving prompts: three tools for optimizing system and user prompts with iterative refinement

Extended access39.8KRepository stars
Official

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

Extended access38.8KRepository stars

GitHub's official MCP server: code, issues, pull requests, Actions and security alerts straight from the agent

Broad access34.1KRepository stars

Blender MCP

MCP for Blender

An MCP server and Blender addon: the agent creates and edits objects, materials and scenes, pulls assets and runs Python in Blender

Broad access32.7KRepository stars

An MCP server that gives agents IDE powers: symbol and reference lookup, symbol-level edits and renames via LSP or JetBrains

Broad access30.8KRepository stars
Official

Local persistent memory for coding agents: hooks record every session, and Claude Code, Codex or Cursor recall past decisions through 54 MCP tools

Extended access30KRepository stars

A task manager for AI-driven development: breaks a PRD into dependent tasks and guides the agent through them via MCP or CLI

Extended access28.3KRepository stars

An MCP server with n8n node and template knowledge: the agent picks nodes, validates configs and, with API access, creates workflows in your n8n

Broad access23.2KRepository stars
Official

Google's open-source MCP server for databases: ready tools for Postgres, MySQL, BigQuery, Spanner and more, plus custom tools in tools.yaml

Broad access16.8KRepository stars

An MCP server that gives the agent simplified Figma layout data from a link so it can build the screen more accurately than from a screenshot

Extended access16.1KRepository stars
Official

Official Apify MCP server: the agent runs ready-made Apify Store scrapers for social media, maps, search and shops

Extended access13.8KRepository stars

An MCP server that lets an agent work on your computer: terminal and long-running processes, file search and edits, Excel, PDF and DOCX

Broad access10.2KRepository stars
Official

AWS's official MCP server suite: docs, IaC, containers, serverless, databases, cost and monitoring

Broad access9.9KRepository 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.