Chatgpt App Builder

Q: What is a Claude Code skill and how does the Chatgpt App Builder skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Chatgpt App Builder is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: integrations · Last updated: 2026-05-21

type:integration

Build ChatGPT Apps using the Apps SDK and MCP. Use when users want to: (1) Evaluate if their product should become a ChatGPT App (2) Design and implement MCP servers with widgets (3) Test apps locally and in ChatGPT (4) Prepare for App Store submission Triggers: "ChatGPT app", "Apps SDK", "build for ChatGPT", "ChatGPT integration", "MCP server for ChatGPT", "submit to ChatGPT"

About this skill (catalog notes)

Chatgpt App Builder includes pricing or quota commentary; 13 code blocks for direct copy-paste. At roughly 1,669 words the SKILL.md is on the longer end of the catalog distribution.

License: MIT
Original author: openai
Indexed lastmod: 2026-05-21
Catalog position: General · integrations
Indexed related skills: 10

How Chatgpt App Builder fits the catalog

Chatgpt App Builder sits in the General category under the integrations sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Build production-ready ChatGPT Apps from concept to App Store submission.

What this skill does

Chatgpt App Builder is a community-contributed Claude Code skill in the integrations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/chatgpt-app-builder/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Chatgpt App Builder Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/chatgpt-app-builder
curl -L https://claudskills.com/skills/chatgpt-app-builder/SKILL.md \
  -o ~/.claude/skills/chatgpt-app-builder/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/chatgpt-app-builder/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/chatgpt-app-builder/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\chatgpt-app-builder\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Chatgpt App Builder Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/chatgpt-app-builder/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Chatgpt App Builder skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Chatgpt App Builder skill?

Use Chatgpt App Builder when your Claude Code task falls under the General category — specifically in the integrations area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Chatgpt App Builder" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Chatgpt App Builder skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Chatgpt App Builder is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/openai/openai-apps-sdk-examples
License: MIT
Author: openai

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

openai. (2026). Chatgpt App Builder [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/chatgpt-app-builder/

BibTeX

@misc{chatgpt-app-builder-2026,
  author    = {openai},
  title     = {Chatgpt App Builder [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/chatgpt-app-builder/}
}

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Badge

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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