# Chatgpt App Builder (agent 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.

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.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/mcp-use/mcp-use |
| Skill path | skills/chatgpt-app-builder/SKILL.md |
| Skill name | chatgpt-app-builder |
| GitHub stars | 10,726 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 4 |
| Plugin marketplace | mcp-use |
| Official | yes |
| Works with | Claude Code |
| Category | Security |
| Last commit | Oct 6, 2026 |

## When it triggers

- Use for tools, resources, prompts, middleware, Views, authentication, Skills over MCP, scaffolding, and advanced features.

## Add this skill

### Claude Code

```sh
/plugin marketplace add mcp-use/mcp-use
/plugin   # browse mcp-use and install the plugin that contains chatgpt-app-builder
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
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 projects
```

### Cursor

```sh
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 projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

---

Canonical page: https://appsgit.com/skills/mcp-use-chatgpt-app-builder
Source: appsgit (https://appsgit.com), the app store for github. Data from the GitHub API, refreshed nightly.
Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.