@modelcontextprotocol/ext-apps
Updated 7d agoby ochafik-ant
MCP Apps
Build interactive UIs for MCP tools — charts, forms, dashboards — that render inline in Claude, ChatGPT and any other compliant chat client.
Why
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Quickstart
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API Docs
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Spec
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Contributing
Excalidraw built with MCP Apps, running in Claude
Table of Contents
- Build with Agent Skills
- Supported Clients
- Why MCP Apps?
- How It Works
- Getting Started
- Using the SDK
- Examples
- Specification
- Resources
- Contributing
Build with Agent Skills
The fastest way to build an MCP App is to let your AI coding agent do it. This repo ships four Agent Skills — install them once, then just ask:
| Skill | What it does | Try it |
|---|---|---|
create-mcp-app | Scaffolds a new MCP App with an interactive UI from scratch | "Create an MCP App" |
migrate-oai-app | Converts an existing OpenAI App to use MCP Apps | "Migrate from OpenAI Apps SDK" |
add-app-to-server | Adds interactive UI to an existing MCP server's tools | "Add UI to my MCP server" |
convert-web-app | Turns an existing web app into a hybrid web + MCP App | "Add MCP App support to my web app" |
Install the Skills
Claude Code — install via the plugin marketplace:
/plugin marketplace add modelcontextprotocol/ext-apps
/plugin install mcp-apps@modelcontextprotocol-ext-apps
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