create-mcp-app

Installation
SKILL.md

Create MCP App

Build interactive UIs that run inside MCP-enabled hosts like Claude Desktop. An MCP App combines an MCP tool with an HTML resource to display rich, interactive content.

Core Concept: Tool + Resource

Every MCP App requires two parts linked together:

  1. Tool - Called by the LLM/host, returns data
  2. Resource - Serves the bundled HTML UI that displays the data
  3. Link - The tool's _meta.ui.resourceUri references the resource
Host calls tool → Server returns result → Host renders resource UI → UI receives result

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First Seen
Feb 13, 2026