|
Hey Reader, I’m launching early access for my new app-creator agent skill for iOS/macOS apps today! In this email:
What does app development look like in 2026?Coding has forever changed over the last 3 months. I’m all-in on app development with Codex 5.3. It’s a workhorse. If you’re an idea person still learning the basics, you have a huge opportunity. Gone are the days when you need to know every line of code. You can focus on your app idea for a real customer. Last month I shipped Super Easy Slides — and I have a BIG update planned for this weekend. You can just do things when you embrace AI agents. My goal for this email is to give actionable tips that you can leverage today. Use This New SkillI created the app-creator skill to capture my workflow and enable super-fast prototyping in Xcode. There are three parts:
Download and install the app-creator skill today. The skill is not publicly available on GitHub because it’s in a private project right now. Hit reply and let me know if it helps you.
2 Tactics You Can Steal This Weekend#1 Plan Mode Codex (v0.106.0) has a new Plan mode — start with the shortcut: Plan Mode interviews you and thinks through corner cases. When you’re done and you like the direction, just implement it with high reasoning. If you’re on ChatGPT Plus, use medium reasoning so you don’t use all your tokens for the week. #2 Use a Makefile If you’re using my While agents work, I simply type Ask it to verify and write tests using your “Verify and write tests to prove it works.” If it breaks, drag a screenshot in and say “fix”. If you have steering mode enabled, you can just type a message and press Enter to guide Codex with each incremental change. While you work, you can queue messages by pressing Tab in the Codex CLIThen just enable steering and talk to it. Keep tests fast so the agent doesn’t wait. If you use Codex app, create a custom Run Action that just does Pro TipUse 5 Resources and Links
Community Spotlight
Quick QuestionWhat is ONE thing you learned this week that I should share next week? Talk soon, Paul Solt P.S. Next week, I'll share my full Codex 5.3 workflow and what changed since my Codex 5.2 Workflow video. P.P.S. Here are 7 tips for beginners with Codex (GPT-5.3-Codex high is my new default). |
Join 5,901+ iOS/macOS developers using Codex and agents to build and ship apps. Expect practical tutorials, repeatable workflows, and hard-earned lessons from 7 shipped apps and time at Apple, Microsoft, and GoPro.
Hey Reader, OpenAI launched the Codex app, a great way to continue controlling your agents when you're on the go. I've been using Remodex for weeks, which has been awesome. Being able to steer research while walking in the woods is super cool. I can get steps in while doing light work. Watch: Codex on iPhone shipped — here's what works There are some gotchas with the new Codex/ChatGPT app today; by early next week, most of these issues should be resolved. Here are 5 workarounds if you get...
Hey Reader, I flew out to San Francisco to visit OpenAI. It was a whirlwind and super fun to meet the team behind the Codex app. And I was able to chat with developers to learn about their own workflows. Read: 3 Things I Learned from the GPT-5.5 Launch Party I met Ray Fernando, Sam Altman, and many other great people at OpenAI and beyond. I was inspired by some of the discussions to start work on my Codex Librarian research tools and skills. This builds upon my DocSetQuery GitHub project....
Hey Reader, Watch how I build iOS and Mac apps with Codex in 20 minutes. This is my latest Codex GPT-5.5 workflow for shipping real apps. Watch: How I Build REAL Apps with the Codex App and GPT-5.5 GPT-5.5 is really smart, but it still makes mistakes. I show this tool I use daily Get a peek look at my app's sales history See the CLI tools I'm using to find app opportunities If you need an app idea, this video is for you. I'll show you some new tools you can use to find opportunities from...