FIELD NOTE / AGENT SKILL
ChatGPT Apps.
Scaffold an Apps SDK widget and its MCP-backed server contract.
BuildOpenAISource checked 12 Oct 2026
When it earns a place.
Build or troubleshoot a ChatGPT app with tools and a user interface.
How to start.
Read the linked SKILL.md as a historical example. OpenAI marks this collection deprecated; follow the OpenAI Plugins repository and current plugin documentation linked from its README for current examples and installation guidance.
Open the original instructionsWhat it needs.
Codex skill; follow current Apps SDK and MCP Apps documentation.
Before you connect it.
Tool schemas, permissions, CSP, and domain settings must match the deployed app.