How I Build Apps with Codex and GPT-5.4

Description

👉 Making an app? Build it fast: https://super-easy-apps.kit.com/app-creator GPT 5.4 is here, and this is the workflow I’m using to build real iOS and macOS apps with Codex and Xcode. If AI coding feels overwhelming right now, you’re not wrong. There are too many tools, too many options, and too much noise. In this video, I’ll show you the setup that’s actually working for me. You’ll see the tools I use, how I work with agents, how I debug when Codex gets things wrong, and how I keep improving the workflow over time. In this video: • My Codex CLI workflow • The tools and skills I use • How I debug broken AI-generated code • How I use screenshots, logs, and documentation • A real demo fixing a bug with GPT-5.4 Links • Super Easy Slides: https://apps.apple.com/us/app/super-easy-slides/id6738591861?mt=12 • App-Creator Skill: https://super-easy-apps.kit.com/app-creator • Codex CLI: https://developers.openai.com/codex/cli • Codex app: https://chatgpt.com/codex/get-started • XcodeBuildMCP: https://www.xcodebuildmcp.com • DocSetQuery: https://github.com/PaulSolt/DocSetQuery • Peter Steinberger: https://github.com/steipete/agent-scripts • AXe: https://github.com/cameroncooke/AXe • Wispr Flow: https://wisprflow.ai 0:00 Build iOS and macOS Apps with GPT-5.4 0:52 My GPT 5.4 Workflow 4:22 App Creator Skill and CLI Stack 6:52 Local Docs 8:27 Plan Mode Codex Tips 10:34 Debugging Apps When Things Break 12:59 Continuous Learning 15:22 Real App Demos 17:41 Debugging a Tile Engine Bug in Real Time 25:26 Finding the Real Problem 31:17 Working with Multiple Agents 33:29 Key Take-aways #GPT54 #GPT5 #Codex #AIforDevelopers #Swift #iOS #macOS #AppDevelopment #workflow