Individual skill
chatgpt-app-builder
DEPRECATED: This skill has been replaced by `mcp-app-builder`. Check if `mcp-app-builder` is available in the skills folder. If not, install it: `npx skills install mcp-use/mcp-use --skill mcp-app-builder` Use `mcp-app-builder` instead of this skill. Build ChatGPT apps with interactive widgets using mcp-use and OpenAI Apps SDK. Use when creating ChatGPT apps, building MCP servers with widgets, defining React widgets, working with Apps SDK, or when user mentions ChatGPT widgets, mcp-use widgets, or Apps SDK development.
examples/showcases/open-mcp-client/apps/mcp-use-server/.agent/skills/chatgpt-app-builder/SKILL.md
Source commit d168487e7a753a1527256c7e4c79344377f3d092
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- Observed behavior
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- Last checked
- Nov 2, 2026
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Repository context
- Repository stars (not skill ratings)
- 38,551
- Repository last updated
- Nov 7, 2026
- License
- MIT
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- ai Repository topic
- llm Repository topic
- nextjs Repository topic
- open-source Repository topic
- react Repository topic
- reactjs Repository topic
- ts Repository topic
- typescript Repository topic
- agent Repository topic
- agents Repository topic
- engineering Derived category
- engineering-web Derived category
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Browse files
LICENSE.txtdoc · 9,164 bytesSKILL.mdcore · 3,166 bytesevals/README.mddoc · 476 bytesevals/architecture.jsonasset · 2,389 bytesevals/discover.jsonasset · 1,748 bytesevals/skill.jsonasset · 2,153 bytesevals/state-and-context.jsonasset · 1,469 bytesevals/ui-guidelines.jsonasset · 1,614 bytesevals/widgets.jsonasset · 1,630 bytesreferences/architecture.mddoc · 5,278 bytesreferences/components-api.mddoc · 10,005 bytesreferences/csp-and-metadata.mddoc · 5,562 bytesreferences/discover.mddoc · 2,178 bytesreferences/server-and-widgets.mddoc · 7,056 bytesreferences/setup.mddoc · 2,181 bytesreferences/state-and-context.mddoc · 7,576 bytesreferences/ui-guidelines.mddoc · 5,870 bytesreferences/widget-patterns.mddoc · 6,817 bytes
Read excerpt
# ChatGPT App Builder
Build ChatGPT apps with interactive widgets using mcp-use. Zero-config widget development with automatic registration and built-in React hooks.
The app is consumed by **two users at once**: the **human** and the **ChatGPT LLM**. They collaborate through the widget -- the human interacts with it, the LLM sees its state. The widget is your shared surface.
## Before You Code
- **Clarify what to build** → [discover.md](references/discover.md): when starting a new app, validating an idea, or scoping features
- **Design tools and widgets** → [architecture.md](references/architecture.md): when deciding what needs UI vs tools-only, designing UX flows
## Setup
- **Scaffold and run** → [setup.md](references/setup.md): when creating a new project, starting dev server, connecting to ChatGPT/Claude