Free & Open Source MCP Servers
Browse 2,002 free and open source MCP servers for AI development. No cost, no subscriptions — install community-built servers for Cursor, Claude Desktop, VS Code, and more.
Open Source Licenses
Browser Automation
View all free browser automation serversControl browsers, take screenshots, fill forms, and automate web interactions.
Unlock AI-ready web data with Firecrawl: scrape any website, handle dynamic content, and automate web scraping for research or automation.
Browser Use lets LLMs and agents access and scrape any website in real time, making web scraping and web page scraping effortless via API.
Enhance software testing with Playwright MCP: Fast, reliable browser automation, an innovative alternative to Selenium software testing tools.
AI-driven control of live Chrome via Chrome DevTools: browser automation, debugging, performance analysis and network monitoring.
Use Chrome DevTools for web site test speed, debugging, and performance analysis. The essential chrome developer tools for reliable web automation.
Chrome extension-based MCP server that exposes browser functionality to AI assistants.
Supercharge browser tasks with Browser MCP—AI-driven, local browser automation for powerful, private testing. Inspired by browser automation studio.
Playwright automates web browsers for web scraping, scraping, and internet scraping, enabling you to scrape any website efficiently.
Cloudflare Browser Rendering offers global Internet traffic insights and trends using advanced Cloudflare Browser Rendering API tools.
Unlock browser automation studio with Browserbase MCP Server. Enhance Selenium software testing and AI-driven workflows for seamless web interactions.
Databases
View all free databases serversQuery, manage, and interact with SQL and NoSQL databases.
Google GenAI Toolbox: open-source GenAI database agent and AI database connector for Google Cloud database—query Cloud SQL connector, Spanner & AlloyDB with…
Connect Supabase projects to AI with Supabase MCP Server. Standardize LLM communication for secure, efficient development and data management.
Boost Postgres performance with Postgres MCP Pro—AI-driven index tuning, health checks, and safe, intelligent SQL optimization.
DBHub: Universal database gateway to view SQLite database, run sequel queries & browse tables. Secure, safe, and easy-to-use SQLite browser.
pg-aiguide — Version-aware PostgreSQL docs and best practices tailored for AI coding assistants. Improve queries, migrations, and model integrations.
Securely join MySQL databases with Read MySQL for read-only query access and in-depth data analysis.
Qdrant is a powerful vector database for AI systems to store and retrieve vector-based memories with advanced vector search capabilities.
Connect MongoDB databases to chat interfaces. Manage AWS with MongoDB, explore Atlas cost, and inspect collections securely with authentication.
ToolFront is a knowledge database software and db management system offering unified access to databases with advanced tools and querying.
Unlock powerful OLAP database analytics on ClickHouse MCP Server. Manage OLAP data with seamless online analytical processing and robust workflows.
Search & Web
View all free search & web serversSearch the web, scrape content, and access web APIs.
Browser Use lets LLMs and agents access and scrape any website in real time, making web scraping and web page scraping effortless via API.
Integrate FireCrawl for advanced web scraping to extract clean, structured data from complex websites—fast, scalable, and reliable.
Playwright automates web browsers for web scraping, scraping, and internet scraping, enabling you to scrape any website efficiently.
Deep Research MCP — an AI research assistant and LLM research tool for multi-step web search, content analysis, and synthesis.
Empower AI with the Exa MCP Server—an AI research tool for real-time web search, academic data, and smarter, up-to-date insights.
Access real-time web scraping with Bright Data. Scrape any website and extract structured data easily using advanced web page scraping tools.
Empower your workflows with Perplexity Ask MCP Server—seamless integration of AI research tools for real-time, accurate answers.
Official Perplexity API MCP server implementation. Perform AI-powered web searches with real-time information, citations, and deep research capabilities…
Access official Microsoft Docs instantly for up-to-date info. Integrates with ms word and ms word online for seamless word doc searches.
Tavily Search offers real-time web search and content extraction, perfect for research, aggregation, and endnote online fact-checking tasks.
File Systems
View all free file systems serversRead, write, and manage files and directories.
Terminal control, file system search, and diff-based file editing for Claude and other AI assistants.
Desktop Commander MCP unifies code management with advanced source control, git, and svn support—streamlining development in one interface.
Easily access and modify notes in your Obsidian vaults using a REST API. Integrate Obsidian features seamlessly into your workflow.
Obsidian: fast search and analysis of Markdown notes across Obsidian vaults — find, filter, and analyze notes with an intuitive search plugin.
Securely extract text, metadata, & pages from PDFs using Adobe Acrobat PDF editor software for local & remote files.
Securely extract text and page info from PDFs using pdfjs-dist. Works with local files or remote URLs, like Adobe Acrobat PDF Editor.
Interact with your Obsidian vault for powerful note taking, file operations, and metadata management using the Obsidian note taking app.
Seamlessly connect Hugging Face Spaces with your AI assistants for instant access to powerful AI models—no manual setup required.
Everything Search integrates with the Everything SDK for fast file searches and metadata retrieval on Windows. Try the ultimate search tool!
Integrate Google Sheets API and Google Drive for seamless file operations and spreadsheet data manipulation via the Google Spreadsheet API.
Developer Tools
View all free developer tools serversGit, CI/CD, code analysis, and development workflow tools.
AI-driven control of live Chrome via Chrome DevTools: browser automation, debugging, performance analysis and network monitoring.
Use Chrome DevTools for web site test speed, debugging, and performance analysis. The essential chrome developer tools for reliable web automation.
Extend your developer tools with GitHub MCP Server for advanced automation, supporting GitHub Student and student packages integration.
Optimize your codebase for AI with Repomix—transform, compress, and secure repos for easier analysis with modern AI tools.
Mastra Docs: AI assistants with direct access to Mastra.ai’s full knowledge base for faster, smarter support and insights.
Validate Oh My Posh theme configurations quickly and reliably against the official schema to ensure error-free prompts and consistent themes.
Beads — a drop-in memory upgrade for your coding agent that boosts context, speed, and reliability with zero friction.
Connect Blender to Claude AI for seamless 3D modeling. Use AI 3D model generator tools for faster, intuitive, interactive 3D scene creation.
n8n offers conversational workflow automation, enabling seamless software workflow creation and management without platform expertise.
Unlock seamless Figma to code: streamline Figma to HTML with Framelink MCP Server for fast, accurate design-to-code workflows.
Cloud & Infrastructure
View all free cloud & infrastructure serversAWS, GCP, Azure, Docker, Kubernetes, and infrastructure management.
Google GenAI Toolbox: open-source GenAI database agent and AI database connector for Google Cloud database—query Cloud SQL connector, Spanner & AlloyDB with…
Enhance your Firebase projects with AI-powered development tools from Firebase Inc. for smarter, faster app solutions.
Find official MCP servers for Google Maps. Explore resources to build, integrate, and extend apps with Google directions in one place.
Explore MCP servers for Google Compute Engine. Integrate model context protocol solutions to streamline GCE app development and experimentation.
Explore Google Kubernetes Engine (GKE) MCP servers. Access resources and examples for context-aware app development in Google's ecosystem.
Catalog of official Microsoft MCP server implementations. Access Azure, Microsoft 365, Dynamics 365, Power Platform, and other Microsoft services through…
Supercharge AI platforms with Azure MCP Server for seamless Azure API Management and resource automation. Public Preview now available!
Deploy, monitor, and manage cloud based DBMS and cloud database management tasks on Tencent CloudBase with AI-powered tools and hosting services.
Deploy, monitor, and manage full-stack apps on Tencent CloudBase—tools for cloud environments, databases, functions, hosting, and storage.
Interact with Kubernetes resources using natural language instead of complex kubectl commands. Simplify cluster management with kubectl.
AI & Machine Learning
View all free ai & machine learning serversLLM integration, model management, and AI/ML tooling.
Build persistent semantic networks for enterprise & engineering data management. Enable data persistence and memory across chats efficiently.
Boost your AI code assistant with Context7: inject real-time API documentation from OpenAPI specification sources into your coding workflow.
Connect Blender to Claude AI for seamless 3D modeling. Use AI 3D model generator tools for faster, intuitive, interactive 3D scene creation.
Google GenAI Toolbox: open-source GenAI database agent and AI database connector for Google Cloud database—query Cloud SQL connector, Spanner & AlloyDB with…
PAL MCP Server — multi-model proxy for OpenAI, Gemini, OpenRouter, Azure, Grok, Ollama & custom endpoints. Use Claude Code, Gemini CLI, Codex CLI. 11k+ stars.
Arize Phoenix — unified interface for managing prompts, exploring datasets, and running LLM experiments across providers.
Integrate FireCrawl for advanced web scraping to extract clean, structured data from complex websites—fast, scalable, and reliable.
Genkit — consume MCP resources or expose powerful Genkit tools as a server for streamlined development and integration.
Deep Research MCP — an AI research assistant and LLM research tool for multi-step web search, content analysis, and synthesis.
Cipher empowers agents with persistent memory using vector databases and embeddings for seamless context retention and team collaboration.
Analytics & Data
View all free analytics & data serversData analysis, visualization, and business intelligence.
Effortlessly create 25+ chart types with MCP Server Chart. Visualize complex datasets using TypeScript and AntV for powerful data insights.
Vizro creates and validates data-visualization dashboards from natural language, auto-generating chart code and interactive PyCafe previews.
Automate Excel file tasks without Microsoft Excel using openpyxl and xlsxwriter for formatting, formulas, charts, and advanced spreadsheet automation.
Explore official Google BigQuery MCP servers. Find resources and examples to build context-aware apps in Google's ecosystem.
Integrate with Gemini CLI for large-scale file analysis, secure code execution, and advanced context control using Google's powerful tools.
Access stock price for NVDA, income statements, balance sheets, and market news via the Financial Datasets server and API integration.
Unlock powerful Excel automation: read/write Excel files, create sheets, and automate workflows with seamless integration and data management.
Optimize Facebook ad campaigns with AI-driven insights, creative analysis, and campaign control in Meta Ads Manager for Facebook.
Securely extract text, metadata, & pages from PDFs using Adobe Acrobat PDF editor software for local & remote files.
dbt bridges data build tool resources and natural language, enabling top BI software features, metadata discovery, and data transformation.
Communication
View all free communication serversEmail, Slack, Discord, and messaging integrations.
Send and receive WhatsApp messages from Claude and other AI assistants. Search chats, manage contacts, and automate workflows via the WhatsApp API.
Control Gmail, Google Calendar, Docs, Sheets, Slides, Chat, Forms, Tasks, Search, and Drive with AI.
Powerful MCP server for Slack with advanced API, message fetching, webhooks, and enterprise features. Robust Slack data for developers.
Voice MCP powers two-way voice apps with Google Cloud Speech to Text, Speech Recognition, and Text to Speech API for accurate audio processing.
Integrate AI assistants with Feishu/Lark's collaboration tools using the official Node.js SDK for seamless productivity automation.
Easily automate Microsoft 365 tasks with simplified Graph API authentication. Access email, calendar, OneDrive, and more for seamless d365 automation.
Interact with X (formerly Twitter) using the Twitter API to post tweets, search content, and explore Twitter API pricing.
Connect AI with Telegram using our telegram bot for efficient message monitoring, organizing, and handling via powerful dialog management.
Use Mac Messages, the top iMessage app for PC, to send and read iMessages from your desktop with contact and group chat support.
Phone Control (Android ADB): Remotely manage Android phones with ADB—make calls, send texts, launch apps, manage contacts, and more.
Auth & Security
View all free auth & security serversAuthentication, authorization, and security tools.
MCP server for Ghidra reverse engineering. Enables AI assistants to decompile binaries, analyze functions, rename variables, set types, and navigate…
Advanced MCP server enabling AI agents to autonomously run 150+ security and penetration testing tools.
Security scanner for AI agents, MCP servers, and agent skills. Automatically scan code for vulnerabilities, license issues, and security risks in your…
Semgrep is a leading code analysis tool that scans code for vulnerabilities, helping developers fix issues swiftly within their workflow.
Analyze Python, Go, and TypeScript code locally to automatically generate IAM policies and AWS IAM permissions for least-privilege applications.
Execute secure shell commands and manage scp command line Linux tasks with CLI Secure's strict security policies. Protect every operation.
Connect with CrowdStrike Falcon, a leading endpoint protection platform, for intelligent security analysis and advanced threat detection.
Access Shodan API and CVEDB for detailed IoT device data, shodan io searches, and the latest NVD CVE vulnerability information.
Access VirusTotal's threat intelligence via this MCP server for advanced security analysis, intrusion prevention, and virus detection.
Use Cycode Security Scanner for automated SAST and site scanner virus checks on local files and repos, with detailed vulnerability reports.
Productivity
View all free productivity serversNote-taking, project management, and workflow automation.
Extend your developer tools with GitHub MCP Server for advanced automation, supporting GitHub Student and student packages integration.
Boost productivity with Task Master: an AI-powered tool for project management and agile development workflows, integrated with popular editors.
Mastra Docs: AI assistants with direct access to Mastra.ai’s full knowledge base for faster, smarter support and insights.
Beads — a drop-in memory upgrade for your coding agent that boosts context, speed, and reliability with zero friction.
Uno Platform — Documentation and prompts for building cross-platform .NET apps with a single codebase. Get guides, samples, and best practices.
Access Confluence pages and Jira in the cloud with Atlassian API. Integrate effortlessly using the REST API for Jira.
Enhance productivity with AI-driven Notion automation. Leverage the Notion API for secure, automated workspace management and advanced integrations.
Structured spec-driven development workflow for AI-assisted software development.
Automate Excel file tasks without Microsoft Excel using openpyxl and xlsxwriter for formatting, formulas, charts, and advanced spreadsheet automation.
Boost productivity on macOS with Apple Native Tools—search contacts, manage notes, and message easily in your favorite productivity app for Mac.
Payment processing, accounting, and financial data.
Solana Agent Kit: Easily deploy tokens, mint NFTs, and manage DeFi & cross-chain tasks with Solana integration in chat interfaces.
Access stock price for NVDA, income statements, balance sheets, and market news via the Financial Datasets server and API integration.
AkTools MCP Server — comprehensive stock market data and crypto market data with price history, technical indicators, financial metrics and real-time market…
Interact with the Base blockchain using the Coinbase API for wallet management, transfers, and smart contract deployment.
Analyze lrcx stock in real-time with Investor Agent using yfinance and CNN data for portfolio and market sentiment insights.
FinLab AI — quantitative trading toolkit with extensive data access, backtesting platform, and algorithmic trading tools with a financial data API.
Xero enables seamless financial data integration and accounting operations via xero software and OAuth2 for automated workflows.
Solana Agent: a server for blockchain interactions on Solana, offering asset retrieval, token deployment, wallet management, transfers & NFT minting.
Access real-time and historical Chinese stock data including baba stock china and nio stock china, plus news and financials from top sources.
Experience high-performance CCXT MCP server for seamless cryptocurrency exchange integration.
Figma, image generation, and design tool integrations.
Unlock seamless Figma to code: streamline Figma to HTML with Framelink MCP Server for fast, accurate design-to-code workflows.
Create modern React UI components instantly with Magic AI Agent. Integrates with top IDEs for fast, stunning design and workflow improvement.
Access shadcn/ui v4 components, blocks, and demos for rapid React UI library development. Seamless integration and source code via GitHub API.
AI-driven CAD modeling with FreeCAD: control design workflows, generate logos, and edit objects using remote Python scripting.
Convert Figma designs into clean HTML & CSS with customizable file paths and organization—fast, accurate code generation for website design and development.
Transform Figma designs into high-quality code with AI. Seamless figma to code and figma to html workflows for efficient development.
Extract design file metadata from MasterGo for analysis or code with ease. Great for web page design programs or converting Figma to code.
Explore Magic UI, a React UI library offering structured component access, code suggestions, and installation guides for stunning web UIs.
Render Mermaid diagrams in real-time with live preview, browser refresh, WebSocket updates, and SVG/PNG/PDF export plus collaboration support.
Excalidraw MCP Server: let AI agents generate, edit, and view Excalidraw diagrams via natural-language commands with real-time collaborative whiteboard…
Servers that don't fit neatly into other categories.
Control Ableton Live for advanced music production—track creation, MIDI editing, playback, and sound design. Perfect for Ableton workflows.
MCP server for interfacing with the Godot game engine. Launch the editor, run projects, capture screenshots, manage scenes, and control the engine from AI…
Unlock powerful text to speech and AI voice generator tools with ElevenLabs. Create, clone, and customize speech easily. Free and seamless integration.
Extract and analyze YouTube transcripts in multiple languages. Use our YouTube transcriptor to easily transcribe for YouTube videos.
Reddit Buddy offers powerful Reddit API tools for browsing, searching, and data annotation with secure access, rate limits, and OAuth support.
Reddit Buddy offers clean access to Reddit API, advanced reddit tools, and seamless data annotation reddit with smart caching and rate limiting.
AI-powered video editor that integrates Video Jungle for natural-language YouTube video search, automated clip generation, and fast content editing.
Easily download videos or convert YouTube to MP3/MP4 with our YouTube downloader for quick content analysis using yt-dlp integration.
Strudel Live Coding offers real-time music generation in your browser with 40+ tools for pattern creation, theory, and live audio control.
Fetch is a web scraping tool that extracts web content and YouTube transcripts, converting HTML to Markdown with accurate timestamps.
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Frequently Asked Questions
Are MCP servers free?
Yes, the vast majority of MCP servers are completely free and open source. They are built by the community and hosted on GitHub under permissive licenses like MIT and Apache-2.0. You can install and use them at no cost with any compatible AI client.
What are open source MCP servers?
Open source MCP servers are Model Context Protocol servers whose source code is publicly available on platforms like GitHub. Anyone can inspect the code, contribute improvements, or fork the project. This ensures transparency, security, and community-driven development.
How to install free MCP servers?
You can install free MCP servers directly from MCP.Directory with one click. Select your AI client (Cursor, Claude Desktop, VS Code, Claude Code, etc.), click the install button, and the server configuration is added automatically. Most servers are installed via npm or pip and run locally on your machine.
What licenses do free MCP servers use?
Most free MCP servers use permissive open source licenses such as MIT, Apache-2.0, BSD-3-Clause, and ISC. These licenses allow you to use, modify, and distribute the software freely. You can check each server's license on its detail page.