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 The tool's references the resource's URI. Host calls tool → Host renders resource UI → Server returns result → UI receives result. Quick Start Decision Tree Framework Selection | Framework | SDK Support | Best For | |-------…