MCP Apps Builder

Overview

This skill provides comprehensive guidance for implementing MCP Apps - an extension to the Model Context Protocol (SEP-1865) that enables MCP servers to deliver interactive user interfaces to conversational AI hosts.

Use this skill when:

• Building MCP servers that need to return rich, interactive UIs alongside tool results
• Adding visual data presentation capabilities to existing MCP tools
• Creating interactive dashboards, forms, or visualizations within MCP-enabled clients
• Implementing bidirectional communication between UI components and MCP servers
• Migrating from MCP-UI or building Apps SDK-compatible MCP servers

Core Concepts

What are MCP Apps?

MCP Apps extend the Model Context Protocol with: