a2ui.me

a2ui.me serves as the comprehensive directory for MCP Apps, which are interactive UI applications designed to render directly inside AI chatbots such as Claude, ChatGPT, and others. The platform catalogs over 466 MCP Apps, with 199 featuring embedded interactive UI capabilities. Users can discover apps that enable servers to return interactive HTML interfaces including data visualizations, forms, and dashboards that integrate seamlessly with AI chat experiences.

• Extensive App Catalog - Browse through 466+ MCP Apps organized across 15 categories including Visualization, Data & Analytics, Developer Tools, AI & ML, Communication, and more
• Interactive UI Apps - Discover 199 apps with embedded UI capabilities that render 3D visualizations, charts, maps, PDF viewers, and dashboards directly in AI chatbots
• Category-Based Navigation - Explore apps organized by function including Browser Automation, Cloud Platforms, Databases, Security, Finance, Gaming, and IoT & Hardware
• Featured Apps Showcase - Access popular apps like map-server for 3D globe viewing, Three.js server for 3D scene rendering, Playwright MCP for browser automation, and Firecrawl for web scraping
• Open Ecosystem Support - Built on the open MCP Apps standard, enabling developers to create next-gen UI experiences using the protocol and SDK
• GitHub Integration - Direct links to official SDK and source repositories for developers wanting to build their own MCP Apps
• Search and Filter - Find apps by category, sort by popularity (stars), and filter for apps with interactive UI capabilities
• Documentation Access - Links to official MCP protocol documentation at modelcontextprotocol.io for learning how to build and integrate MCP Apps

To get started, visit the directory and browse apps by category or use the search functionality. Developers can access the official SDK on GitHub and read the documentation to begin building their own MCP Apps with interactive UI capabilities.