# McpMux - The Largest MCP Server Registry & Manager

> McpMux is the largest MCP server registry and marketplace, plus a free, open-source desktop app and local MCP gateway for managing Model Context Protocol (MCP) servers. Browse, install, and manage 100+ MCP servers for Cursor, Claude Desktop, Claude Code, VS Code (GitHub Copilot), ChatGPT, Windsurf, JetBrains, Cline, Zed, Gemini CLI, and Amazon Q.

McpMux lets developers configure MCP servers once and connect every AI client through a single localhost endpoint. Credentials are securely encrypted instead of stored in plain-text JSON files.

## Key Pages

- [MCP Server Registry](https://mcpmux.com/): Browse and discover 100+ curated MCP servers. Search by name, category, transport type, and authentication method. The largest MCP server directory.
- [Features](https://mcpmux.com/features/): Complete feature overview including server management, Spaces, FeatureSets, client connections, and security architecture.
- [Download](https://mcpmux.com/download/): Download McpMux for macOS, Windows, or Linux. Free and open source.
- [GitHub](https://github.com/mcpmux/mcp-mux): Source code repository.
- [Full LLM Context](https://mcpmux.com/llms-full.txt): Detailed technical information for LLMs.

## Popular MCP Servers Available in the Registry

McpMux hosts the largest curated MCP server registry. Popular servers include:

- **GitHub MCP Server** — Repository management, issues, pull requests, code search via GitHub API
- **Slack MCP Server** — Send messages, manage channels, search conversations
- **PostgreSQL MCP Server** — Query databases, manage schemas, inspect tables
- **Docker MCP Server** — Manage containers, images, networks, and volumes
- **AWS MCP Server** — Interact with S3, Lambda, DynamoDB, and other AWS services
- **Cloudflare MCP Server** — Search and browse Cloudflare documentation and APIs
- **Notion MCP Server** — Create pages, query databases, manage workspaces
- **Linear MCP Server** — Issue tracking, project management, sprint workflows
- **Stripe MCP Server** — Manage payments, subscriptions, invoices
- **Sentry MCP Server** — Error tracking, performance monitoring
- **Redis MCP Server** — Key-value operations, pub/sub, cache management
- **Brave Search MCP Server** — Web search with privacy-focused results
- **Puppeteer MCP Server** — Browser automation, screenshots, web scraping
- **Filesystem MCP Server** — Secure file operations with access controls
- **SQLite MCP Server** — Local database queries with schema inspection

Browse all servers at: https://mcpmux.com/

## MCP Server Categories

- **Developer Tools**: GitHub, Docker, Puppeteer, Sentry, and more
- **Database**: PostgreSQL, SQLite, Redis, MongoDB, and more
- **Search & Web**: Brave Search, web crawlers, and more
- **Productivity**: Slack, Notion, Linear, and more
- **Cloud Services**: AWS, Cloudflare, Stripe, Vercel, and more
- **File System**: Filesystem, Google Drive, and more

## What McpMux Does

- **MCP Server Registry & Marketplace**: Browse, search, and one-click install MCP servers from the largest curated registry of 100+ servers.
- **Unified Configuration**: Configure MCP servers once, connect Cursor, Claude Desktop, Claude Code, VS Code, ChatGPT, Windsurf, JetBrains, and any MCP-compatible host.
- **Credential Security**: Secrets encrypted with platform-native DPAPI and AES-256-GCM field-level encryption. No plain-text credentials.
- **Spaces**: Isolated environments (Work, Personal, Client projects) with separate credentials and server configurations.
- **FeatureSets**: Granular permission bundles controlling which tools, prompts, and resources each AI client can access.
- **Local Gateway**: Runs a local MCP gateway on localhost:45818 that routes requests from AI clients to configured MCP servers.
- **OAuth 2.1 + PKCE**: Automatic OAuth token management and refresh for supported MCP servers.

## Supported AI Clients

McpMux works with all MCP-compatible AI clients:
- Cursor, Claude Desktop, Claude Code, VS Code (GitHub Copilot), ChatGPT, Windsurf, JetBrains (IntelliJ, WebStorm, PyCharm), Zed, Cline, Gemini CLI, Amazon Q Developer, Xcode, and any MCP-compatible host.

## Technical Details

- **Built with**: Tauri 2 (Rust + React 19), Axum HTTP gateway
- **Platforms**: Windows, macOS, Linux
- **License**: Open source
- **Protocol**: Full MCP Specification 2025-11-25 support (stdio, Streamable HTTP, tools, prompts, resources, notifications, elicitation, sampling)