Chatgpt App Builder
Chatgpt App Builder is an agent skill (a SKILL.md file) from alpic-ai/skybridge. Guide developers through creating and updating ChatGPT plugins. It works with Claude Code and has 2,145 GitHub stars across a repository of 3 listed skills. Install it by copying the skill folder into your agent's skills directory.
github.com/alpic-ai/skybridge/skills/chatgpt-app-builder (opens in a new tab)
- Multi-skill repo
- Testing & QA
- Actively maintained
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/alpic-ai/skybridge.git
cp -r skybridge/skills/chatgpt-app-builder ~/.claude/skills/chatgpt-app-builder # personal, or .claude/skills in a projectIn the Claude apps, zip the chatgpt-app-builder folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/alpic-ai/skybridge.git
cp -r skybridge/skills/chatgpt-app-builder .agents/skills/chatgpt-app-builder # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/alpic-ai/skybridge.git
cp -r skybridge/skills/chatgpt-app-builder .cursor/skills/chatgpt-app-builder # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Guide developers through creating and updating ChatGPT plugins. Covers the full lifecycle: brainstorming ideas against UX guidelines, bootstrapping projects, implementing tools/views, debugging, running dev servers, deploying and connecting plugins to ChatGPT. Use when a user wants to create or update a ChatGPT plugin (formerly called a ChatGPT app) / MCP server for ChatGPT, or use the Skybridge framework.
When it triggers
- Use when a user wants to create or update a ChatGPT plugin (formerly called a ChatGPT app) / MCP server for ChatGPT, or use the Skybridge framework.
More skills in alpic-ai/skybridge
3 skills are listed from this repository.
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What is the Chatgpt App Builder skill?
Chatgpt App Builder is an agent skill (a SKILL.md file) from alpic-ai/skybridge. Guide developers through creating and updating ChatGPT plugins. It works with Claude Code and has 2,145 GitHub stars across a repository of 3 listed skills. Install it by copying the skill folder into your agent's skills directory. Its SKILL.md lives at github.com/alpic-ai/skybridge/skills/chatgpt-app-builder.
How do I install the Chatgpt App Builder skill?
Copy the chatgpt-app-builder folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Chatgpt App Builder skill free?
Yes. The repository is open source under the MIT license.
Is Chatgpt App Builder maintained?
The repository's most recent commit was on Oct 6, 2026. Its latest release is v2.0.3. appsgit only lists skills from repositories with a commit in the last six months.