OpenAI · Agent Skill

chatgpt-apps

Build, scaffold, refactor, and troubleshoot ChatGPT Apps SDK applications that combine an MCP server and widget UI. Use when Codex needs to design tools, register UI resources, wire the MCP Apps bridge or ChatGPT compatibility APIs, apply Apps SDK metadata or CSP or domain settings, or produce a…

Published by OpenAI320 lines in SKILL.md

Source: openai/skills/skills/.curated/chatgpt-apps
Repository owner: openai

Install

Read the SKILL.md and any scripts before installing: a skill runs with your agent's permissions. This copies just this skill into Claude Code's user skills folder; other agents read skills from their own folder.

Claude Code (user-level)

git clone --depth 1 --filter=blob:none --sparse https://github.com/openai/skills.git /tmp/skills
cd /tmp/skills && git sparse-checkout set "skills/.curated/chatgpt-apps"
mkdir -p ~/.claude/skills && cp -r "skills/.curated/chatgpt-apps" ~/.claude/skills/chatgpt-apps

Skills folder docs:

Claude Code Codex Gemini CLI OpenCode Cursor GitHub Copilot goose OpenHands Amp Factory Droid Junie Kiro Roo Code Mistral Vibe pi Hermes Agent OpenClaw Letta

Works with

Agent Skills is an open format, so this skill loads in any harness that supports it, including Claude Code, Codex, Gemini CLI, OpenCode, Cursor, GitHub Copilot, goose, OpenHands. Some skills are written for one product and say so in their description.

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Reviewed Oct 5, 2026. Name and description are the skill's own frontmatter.