Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers
MCP Apps is the official specification and TypeScript SDK for embedding interactive user interfaces directly inside AI chat clients via MCP servers. Rather than returning only text or structured data from MCP tools, developers can now attach rich UI components such as charts, forms, dashboards, and design canvases to tool responses, which then render inline inside Claude, ChatGPT, VS Code, and other compliant clients. The repository ships the formal protocol spec, the `@modelcontextprotocol/ext-apps` npm package, and four Agent Skills installable through Claude Code (`create-mcp-app`, `migrate-oai-app`, `add-app-to-server`, and `convert-web-app`) that let an AI coding agent scaffold, migrate, or augment MCP servers with UI support. A notable concrete example in the README shows a fully functional Excalidraw drawing canvas running inline inside Claude. The project targets MCP server authors who want to move beyond text-only tool output and deliver interactive experiences without building separate web applications.
- ✓License: NOASSERTION
- ✓Actively maintained (<30d)
- ✓Healthy fork ratio
- ✓Clear description
- ✓Topics declared
- ✓Trusted owner (modelcontextprotocol)
git clone https://github.com/modelcontextprotocol/ext-apps{
"mcpServers": {
"ext-apps": {
"command": "node",
"args": ["/path/to/ext-apps/dist/index.js"]
}
}
}4 items en este repositorio
This skill should be used when the user asks to "add an app to my MCP server", "add UI to my MCP server", "add a view to my MCP tool", "enrich MCP tools with UI", "add interactive UI to existing server", "add MCP Apps to my server", or needs to add interactive UI capabilities to an existing MCP server that already has tools. Provides guidance for analyzing existing tools and adding MCP Apps UI resources.
This skill should be used when the user asks to "add MCP App support to my web app", "turn my web app into a hybrid MCP App", "make my web page work as an MCP App too", "wrap my existing UI as an MCP App", "convert iframe embed to MCP App", "turn my SPA into an MCP App", or needs to add MCP App support to an existing web application while keeping it working standalone. Provides guidance for analyzing existing web apps and creating a hybrid web + MCP App with server-side tool and resource registration.
This skill should be used when the user asks to "create an MCP App", "add a UI to an MCP tool", "build an interactive MCP View", "scaffold an MCP App", or needs guidance on MCP Apps SDK patterns, UI-resource registration, MCP App lifecycle, or host integration. Provides comprehensive guidance for building MCP Apps with interactive UIs.
This skill should be used when the user asks to "migrate from OpenAI Apps SDK", "convert OpenAI App to MCP", "port from window.openai", "migrate from skybridge", "convert openai/outputTemplate", or needs guidance on converting OpenAI Apps SDK applications to MCP Apps SDK. Provides step-by-step migration guidance with API mapping tables.
Resumen de MCP Servers
Lo que la gente pregunta sobre ext-apps
¿Qué es modelcontextprotocol/ext-apps?
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modelcontextprotocol/ext-apps es mcp servers para el ecosistema de Claude AI. Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers Tiene 2.4k estrellas en GitHub y se actualizó por última vez 7d ago.
¿Cómo se instala ext-apps?
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Puedes instalar ext-apps clonando el repositorio (https://github.com/modelcontextprotocol/ext-apps) o siguiendo las instrucciones del README en GitHub. ClaudeWave también te ofrece bloques de instalación rápida en esta misma página.
¿Es seguro usar modelcontextprotocol/ext-apps?
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Nuestro agente de seguridad ha analizado modelcontextprotocol/ext-apps y le ha asignado un Trust Score de 100/100 (tier: Verified). Revisa el desglose completo de comprobaciones superadas y flags en esta página.
¿Quién mantiene modelcontextprotocol/ext-apps?
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modelcontextprotocol/ext-apps es mantenido por modelcontextprotocol. La última actividad registrada en GitHub es de 7d ago, con 161 issues abiertos.
¿Hay alternativas a ext-apps?
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Sí. En ClaudeWave puedes explorar mcp servers similares en /categories/mcp, ordenados por popularidad o actividad reciente.
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