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build-mcp-app

Scaffold MCP servers with interactive UI widgets via registerAppTool and registerAppResource.

Updated May 11, 2026
Search Tags:#ui#integration#tooling#mcp#server#widgets
One-click install
npx skills add https://github.com/AvaTar-ArTs/my-supremepowers --skill build-mcp-app-avatar-arts
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: build-mcp-app
Source: https://github.com/AvaTar-ArTs/my-supremepowers/tree/main/qwen_skills/build-mcp-app
Command: npx skills add https://github.com/AvaTar-ArTs/my-supremepowers --skill build-mcp-app-avatar-arts

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

MCP apps often require UI widgets to present forms, pickers, or dashboards in chat surfaces. This skill provides a framework to scaffold and deploy widget-enabled MCP servers, reducing boilerplate and aligning with the MCP SDK patterns.

Core Features & Use Cases

  • Enable widget-enabled tools via registerAppTool and registerAppResource to serve inline HTML widgets.
  • Support two deployment shapes: remote MCP apps with streamable HTTP transport and MCPB-packaged local UI, enabling both server-hosted and desktop-integrated workflows.
  • Unified workflow for building, testing, and deploying widget-based interactions (forms, pickers, progress displays) within Claude/ChatGPT environments.

Quick Start

Scaffold a new MCP app with a widget-enabled tool and a sample picker UI to plug into a remote or local MCP server.

Frequently Asked Questions about build-mcp-app

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I add interactive UI widgets to an MCP server?▼

You add interactive UI widgets to an MCP server by using a framework that implements registerAppTool and registerAppResource flows to scaffold and deploy widget-enabled tools, serving inline HTML forms and pickers within Claude or ChatGPT environments with minimal boilerplate.

What is the best way to deploy MCP apps with interactive widgets?▼

The best way to deploy MCP apps with interactive widgets is using a framework that supports two deployment shapes: remote MCP apps with streamable HTTP transport for server-hosted workflows, and MCPB-packaged local UI for desktop-integrated environments.

Can I use the MCP SDK to serve inline HTML forms in Claude?▼

Yes, you can use the MCP SDK to serve inline HTML forms in Claude by leveraging a widget framework that relies on the @modelcontextprotocol/sdk and @modelcontextprotocol/ext-apps libraries to register app tools and resources.

Do I need specific libraries to build MCP apps with UI components?▼

Yes, you need the @modelcontextprotocol/sdk and @modelcontextprotocol/ext-apps libraries to build MCP apps with UI components, as the framework relies on these dependencies to align with MCP SDK patterns and enable widget-based interactions.

When do I need a framework for widget-based interactions in MCP servers?▼

You need a framework for widget-based interactions in MCP servers when you want to expose interactive elements like forms, pickers, or progress displays in chat surfaces, and want to reduce boilerplate while aligning with MCP SDK patterns.

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