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building-chatgpt-apps

Guides creation of ChatGPT Apps with interactive widgets using OpenAI Apps SDK and MCP servers. Use when building ChatGPT custom apps with visual UI components, embedded widgets, or rich interactive experiences. Covers widget architecture, MCP server setup with FastMCP, response metadata, and Developer Mode configuration. NOT when building standard MCP servers without widgets (use building-mcp-servers skill instead).

Packaged view

This page reorganizes the original catalog entry around fit, installability, and workflow context first. The original raw source lives below.

Stars
22
Hot score
88
Updated
March 20, 2026
Overall rating
C1.8
Composite score
1.8
Best-practice grade
B75.6

Install command

npx @skill-hub/cli install mjunaidca-mjs-agent-skills-building-chatgpt-apps

Repository

mjunaidca/mjs-agent-skills

Skill path: .claude/skills/building-chatgpt-apps

Guides creation of ChatGPT Apps with interactive widgets using OpenAI Apps SDK and MCP servers. Use when building ChatGPT custom apps with visual UI components, embedded widgets, or rich interactive experiences. Covers widget architecture, MCP server setup with FastMCP, response metadata, and Developer Mode configuration. NOT when building standard MCP servers without widgets (use building-mcp-servers skill instead).

Open repository

Best for

Primary workflow: Ship Full Stack.

Technical facets: Full Stack, Frontend, Backend, Designer, Integration.

Target audience: Development teams looking for install-ready agent workflows..

License: Unknown.

Original source

Catalog source: SkillHub Club.

Repository owner: mjunaidca.

This is still a mirrored public skill entry. Review the repository before installing into production workflows.

What it helps with

  • Install building-chatgpt-apps into Claude Code, Codex CLI, Gemini CLI, or OpenCode workflows
  • Review https://github.com/mjunaidca/mjs-agent-skills before adding building-chatgpt-apps to shared team environments
  • Use building-chatgpt-apps for development workflows

Works across

Claude CodeCodex CLIGemini CLIOpenCode

Favorites: 0.

Sub-skills: 0.

Aggregator: No.

building-chatgpt-apps | SkillHub