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chatgpt-app-builder

Build ChatGPT apps with widgets and MCP tools from idea to deployment.

Updated May 9, 2026
Search Tags:#state management#react#mcp#csp#chatgpt#widgets#apps sdk
One-click install
npx skills add https://github.com/gptdeivid/HackathonGoogle-by-Deivid --skill chatgpt-app-builder-gptdeivid
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: chatgpt-app-builder
Source: https://github.com/gptdeivid/HackathonGoogle-by-Deivid/tree/main/.cursor/skills/chatgpt-app-builder
Command: npx skills add https://github.com/gptdeivid/HackathonGoogle-by-Deivid --skill chatgpt-app-builder-gptdeivid

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you design and build ChatGPT apps that combine conversational AI with interactive widgets, so you can move from an idea to a usable assistant experience without guessing the architecture.

Core Features & Use Cases

  • Discovery and scoping: Clarifies the product idea, user value, core actions, and why the LLM belongs in the workflow.
  • Architecture and setup: Helps decide between tools and widgets, then scaffolds the project and development environment.
  • Widget implementation: Guides you through server tools, widget components, persistent state, theme-aware UI, display modes, and CSP metadata.
  • Use case: Build a ChatGPT app that searches data, renders results in a widget, lets users refine selections, and triggers follow-up AI reasoning from the UI.

Quick Start

Tell the Skill what ChatGPT app you want to build, and it will guide you through discovery first, then help you choose the right widget and tool structure.

Frequently Asked Questions about chatgpt-app-builder

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

FAQPage Schema
How do I build interactive ChatGPT apps with widgets and MCP tools?▼

To build interactive ChatGPT apps, you scaffold the mcp-use project, wire MCP server tools, implement widget components with useWidget state hooks, and apply dual-protocol widget metadata for deployment.

What is the best way to manage widget state in a ChatGPT app?▼

The best way to manage widget state in a ChatGPT app is using the useWidget hook for persistent state and messaging, combined with callTool integration to trigger follow-up AI reasoning directly from the interactive UI.

How does callTool integration work with ChatGPT widgets?▼

callTool integration connects interactive widget UI components to MCP server tools, enabling users to refine selections within the widget and trigger follow-up AI reasoning workflows without leaving the ChatGPT interface.

Do I need to configure CSP metadata for ChatGPT apps?▼

Yes, you need to configure CSP metadata for ChatGPT apps to ensure secure content rendering. The setup involves applying dual-protocol widget metadata and theme-aware UI configurations to meet ChatGPT platform security policies.

Can I use React for ChatGPT widget implementation?▼

Yes, you can use React for ChatGPT widget implementation. The architecture supports React components, theme-aware UI, display modes, and useWidget state hooks to build interactive elements within the apps SDK workflow.

When should I use MCP tools versus widgets in my ChatGPT app architecture?▼

Use MCP tools for backend data fetching and server-side actions, and widgets for rendering interactive results and user refinements. The discovery phase clarifies the right structure based on core actions and LLM workflow value.

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