ChatGPT App Builder

ChatGPT App Builder is an AI Engineering skill for Claude Code, published by mcp-use in mcp-use.

10.5K stars1.4K forkson mcp-use/mcp-useAdded 2026/08/15Repository updated 2026/08/14

agent-pluginsagentic-frameworkaiapps-sdkchatgptclaude-codeclaude-connectorsllmsmcpmcp-appsmcp-clientmcp-gatewaymcp-inspectormcp-servermcp-serversmcp-toolsmcp-uimodel-context-protocolmodelcontextprotocolskills

Install in seconds

Install ChatGPT App Builder

Copy ChatGPT App Builder into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/mcp-use/mcp-use/tree/main/skills/chatgpt-app-builder ~/.claude/skills/chatgpt-app-builder

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/mcp-use/mcp-use.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/chatgpt-app-builder/SKILL.md in mcp-use/mcp-use
Installs to: ~/.claude/skills/chatgpt-app-builder
Collection: One of 6 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What ChatGPT App Builder does

ChatGPT App Builder uses the mcp-use TypeScript framework to build, modify, debug, or review ChatGPT Apps and MCP servers.

ChatGPT App Builder is cataloged under AI Engineering on DirSkills. ChatGPT App Builder comes from a repository tagged agent-plugins, agentic-framework, ai, apps-sdk and chatgpt.

Documentation

README

Excerpt

Build ChatGPT Apps with mcp-use

mcp-use is the full stack TypeScript framework for building MCP servers and MCP apps to plug-ins and Claude connectors

Use it to build fully typed MCP servers with tools, resources, prompts, 1 line oauth authentication adapters, middleware, production transports, a built-in Inspector, and headless tooling.

mcp-use has native first class support for MCP Apps with support for HMR both at the server and MCP App level to live preview the changes on clients like ChatGPT

Get started

Follow the guides at https://docs.mcp-use.com/v2.

This is the opening of the README. Read the full README on GitHub.

Frequently asked about ChatGPT App Builder

What else does mcp-use publish alongside ChatGPT App Builder?
ChatGPT App Builder is one of 6 skills that DirSkills catalogs from mcp-use/mcp-use, the repository it ships in. Its siblings there include MCP Apps Builder, MCP Builder and OpenAPI to MCP. Each one is a separate skill with its own page in this directory, installs the same way ChatGPT App Builder does, and is maintained by mcp-use in that same repository. The rest of the collection is listed on the mcp-use/mcp-use page.
How does ChatGPT App Builder compare to other AI Engineering skills?
ChatGPT App Builder ranks #382 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of ChatGPT App Builder against them. Open each page to compare what they document and how they install.