build-mcp-app - Build interactive UI widgets for MCP apps
Build MCP servers that serve interactive UI resources and connect widgets to tools through the MCP apps surface.
Tags
Updated: 2026-10-05Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Build interactive MCP widgets
- Register UI-enabled tools
- Serve UI resources
- Connect widgets to hosts
- Handle widget tool results
- Send widget messages
Inputs
- MCP server code
- Widget requirements
- Deployment model
- Tool schemas and data
- Host integration constraints
Outputs
- UI-enabled MCP tool registrations
- MCP UI resource registrations
- Interactive iframe widgets
- Widget-to-host messages
- Rendered tool results
Requirements
- MCP-compatible host with apps support
- MCP SDK and ext-apps packages