Chatgpt App Builder
Chatgpt App Builder is an agent skill (a SKILL.md file) from mcp-use/mcp-use. Build, modify, debug, migrate, review, or verify TypeScript MCP servers and MCP Apps with mcp-use. It works with Claude Code and has 10,726 GitHub stars across a repository of 4 listed skills.
github.com/mcp-use/mcp-use/skills/chatgpt-app-builder (opens in a new tab)
- Official
- Multi-skill repo
- Plugin marketplace
- Security
- Actively maintained
Add this skill
Claude
This repository is a Claude Code plugin marketplace. In Claude Code:
/plugin marketplace add mcp-use/mcp-use
/plugin # browse mcp-use and install the plugin that contains chatgpt-app-builderIn 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/mcp-use/mcp-use.git
cp -r mcp-use/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/mcp-use/mcp-use.git
cp -r mcp-use/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), code.claude.com/docs/en/plugin-marketplaces (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
Build, modify, debug, migrate, review, or verify TypeScript MCP servers and MCP Apps with mcp-use. Use for tools, resources, prompts, middleware, Views, authentication, Skills over MCP, scaffolding, and advanced features. Treat the installed mcp-use package, its exported types, generated declarations, and the project's existing code as the source of truth. Inspect the installed version before choosing APIs or changing code.
When it triggers
- Use for tools, resources, prompts, middleware, Views, authentication, Skills over MCP, scaffolding, and advanced features.
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What is the Chatgpt App Builder skill?
Chatgpt App Builder is an agent skill (a SKILL.md file) from mcp-use/mcp-use. Build, modify, debug, migrate, review, or verify TypeScript MCP servers and MCP Apps with mcp-use. It works with Claude Code and has 10,726 GitHub stars across a repository of 4 listed skills. Its SKILL.md lives at github.com/mcp-use/mcp-use/skills/chatgpt-app-builder.
How do I install the Chatgpt App Builder skill?
In Claude Code, run /plugin marketplace add mcp-use/mcp-use, then install its plugin from /plugin. For Codex or Cursor, copy the chatgpt-app-builder folder into .agents/skills/ or .cursor/skills/.
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 mcp-use@2.8.0. appsgit only lists skills from repositories with a commit in the last six months.