chatgpt-app-builder

Installation
Summary

DEPRECATED: Use mcp-app-builder instead. Build ChatGPT apps with interactive widgets and zero-config React development.

  • This skill is deprecated; migrate to mcp-app-builder for continued support and updates
  • Enables collaborative UI between human users and LLM through shared interactive widgets
  • Provides server handlers, React widget scaffolding, state management, and built-in hooks for tool calls and follow-up messages
  • Covers display modes (inline, fullscreen, picture-in-picture), theming, CSP configuration, and advanced widget patterns
SKILL.md

IMPORTANT: How to Use This Skill

This file provides a NAVIGATION GUIDE ONLY. Before implementing any MCP server features, you MUST:

  1. Read this overview to understand which reference files are relevant
  2. ALWAYS read the specific reference file(s) for the features you're implementing
  3. Apply the detailed patterns from those files to your implementation

Do NOT rely solely on the quick reference examples in this file - they are minimal examples only. The reference files contain critical best practices, security considerations, and advanced patterns.


MCP Server Best Practices

Comprehensive guide for building production-ready MCP servers with tools, resources, prompts, and widgets using mcp-use.

⚠️ FIRST: New Project or Existing Project?

Before doing anything else, determine whether you are inside an existing mcp-use project.

Related skills
Installs
9.0K
Repository
mcp-use/mcp-use
GitHub Stars
10.0K
First Seen
Feb 2, 2026