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Paul Solt

@PaulSolt • 23,445 subscribers

Building iOS & macOS apps using AI agents (Codex) What works • what breaks • why • ex GoPro, Apple, Microsoft https://t.co/nsGi6lZFzv

Shorts

6 minutes 20 seconds with GPT-5.2-Codex (high). That’s how long it took my new app-creator Agent Skill to spin up a working iOS app in Xcode. Project. Map. Location. Build. Run. Now the real work starts: iteration. This is a SUPER POWER. More soon.

6 minutes 20 seconds with GPT-5.2-Codex (high). That’s how long it took my new app-creator Agent Skill to spin up a working iOS app in Xcode. Project. Map. Location. Build. Run. Now the real work starts: iteration. This is a SUPER POWER. More soon.

118,713 просмотров

Codex cooked for 12 hours 19 minutes last night using a /goal 🎉 It added: - Stopwatch (count up) - Clock (with seconds) - Pomodoro - Tabata - Autocomplete Everything worked except the UI interactions around auto-complete (Codex GPT-5.5 is still not great at UI, but even Claude Opus 4.8 Ultracode struggled here). Overall, I'm really happy with the results. These are features that I've wanted for a while, and getting them close to release is awesome.

Codex cooked for 12 hours 19 minutes last night using a /goal 🎉 It added: - Stopwatch (count up) - Clock (with seconds) - Pomodoro - Tabata - Autocomplete Everything worked except the UI interactions around auto-complete (Codex GPT-5.5 is still not great at UI, but even Claude Opus 4.8 Ultracode struggled here). Overall, I'm really happy with the results. These are features that I've wanted for a while, and getting them close to release is awesome.

48,887 просмотров

🚀4 minutes 27 seconds to MAKE an iOS app with app-creator! This new AGENT SKILL is can take an IDEA (workout app) and make it REAL. Codex 5.3 is cooking today! Prototype any concept in minutes. Download link in thread. 🧵

🚀4 minutes 27 seconds to MAKE an iOS app with app-creator! This new AGENT SKILL is can take an IDEA (workout app) and make it REAL. Codex 5.3 is cooking today! Prototype any concept in minutes. Download link in thread. 🧵

71,441 просмотров

10 minutes later, GPT-5.3-Codex-Spark has my Raptor Call of Shadows clone artwork integrated! Here's the beach map. Artwork created with imagegen Skill in Codex app. OpenAI Developers

10 minutes later, GPT-5.3-Codex-Spark has my Raptor Call of Shadows clone artwork integrated! Here's the beach map. Artwork created with imagegen Skill in Codex app. OpenAI Developers

68,598 просмотров

Wow! Codex 5.3 built an enemy editor for my top down shoot 'em up. Shows the timing and flight patterns.

Wow! Codex 5.3 built an enemy editor for my top down shoot 'em up. Shows the timing and flight patterns.

19,841 просмотров

Videos

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GPT-6 Astra built this iOS app in 13m 3s using my AppCreator skill. I want to see my weekly mileage, not averages. Apple Health app doesn't make it easy. So I gave this prompt to Astra, and this is the result. No other model has made it work like this from one prompt. OpenAI OpenAIDevs

GPT-6 Astra built this iOS app in 13m 3s using my AppCreator skill. I want to see my weekly mileage, not averages. Apple Health app doesn't make it easy. So I gave this prompt to Astra, and this is the result. No other model has made it work like this from one prompt. OpenAI OpenAIDevs

202,731 просмотров • 25 дней назад

ChatGPT Pro just FIXED my iPhone app in 46 minutes. It's way smarter, but less interactive to drive. Here are 3 ChatGPT Pro Tips: 1. Use the GitHub Plugin with ChatGPT Pro 2. Make the git branch for it to use. Ask for small atomic commits 3. Tell it to push changes as it works, because if it's tool calls time out, your code disappears... I have 2% of my tokens that reset in 2 hours.

ChatGPT Pro just FIXED my iPhone app in 46 minutes. It's way smarter, but less interactive to drive. Here are 3 ChatGPT Pro Tips: 1. Use the GitHub Plugin with ChatGPT Pro 2. Make the git branch for it to use. Ask for small atomic commits 3. Tell it to push changes as it works, because if it's tool calls time out, your code disappears... I have 2% of my tokens that reset in 2 hours.

51,588 просмотров • 1 месяц назад

I integrated OpenAI’s latest GPT-Live-1 voice into my iPhone app, Brew Coffee. It can change recipe settings and even switch brew methods mid-brew using my VOICE. Can she be my barista coach? 00:00 GPT-Live-1 is in the API 00:20 My pour over coffee app 01:05 Changing recipes by voice 02:18 Starting the brew hands free 03:43 Switching to V60 mid-brew 05:29 Fixing bitter coffee 06:57 Will I ship a virtual barista? OpenAI OpenAIDevs

I integrated OpenAI’s latest GPT-Live-1 voice into my iPhone app, Brew Coffee. It can change recipe settings and even switch brew methods mid-brew using my VOICE. Can she be my barista coach? 00:00 GPT-Live-1 is in the API 00:20 My pour over coffee app 01:05 Changing recipes by voice 02:18 Starting the brew hands free 03:43 Switching to V60 mid-brew 05:29 Fixing bitter coffee 06:57 Will I ship a virtual barista? OpenAI OpenAIDevs

18,828 просмотров • 17 дней назад

Before you use Astra on ULTRA… Watch this. I’ve changed my mind on thinking.

Before you use Astra on ULTRA… Watch this. I’ve changed my mind on thinking.

18,719 просмотров • 25 дней назад

Codex is now available in the ChatGPT app. Full access anywhere. Control your Mac from an iPhone. OpenAI ChatGPT OpenAIDevs

Codex is now available in the ChatGPT app. Full access anywhere. Control your Mac from an iPhone. OpenAI ChatGPT OpenAIDevs

64,609 просмотров • 4 месяцев назад

I’ve never clicked this BUTTON before. Tibo’s resets have always helped in the past. There’s a cool animation.

I’ve never clicked this BUTTON before. Tibo’s resets have always helped in the past. There’s a cool animation.

21,717 просмотров • 1 месяц назад

OpenAI shipped GPT-5.4-Cyber. The Cyber model fixed more BUGS (3,000) than Mythos… and it’s available today. The security outlook is promising compared to Anthropic’s doom and gloom.

OpenAI shipped GPT-5.4-Cyber. The Cyber model fixed more BUGS (3,000) than Mythos… and it’s available today. The security outlook is promising compared to Anthropic’s doom and gloom.

54,443 просмотров • 5 месяцев назад

Love this new ChatGPT feature to switch models! 🎉 Long press on the send button and change the thinking level. 4 taps 👉 0 additional taps. Just drag your finger and let go! - Pro - Extended (Pro) - Thinking - Instant Thank the ChatGPT team for a great new shortcut! Justin

Love this new ChatGPT feature to switch models! 🎉 Long press on the send button and change the thinking level. 4 taps 👉 0 additional taps. Just drag your finger and let go! - Pro - Extended (Pro) - Thinking - Instant Thank the ChatGPT team for a great new shortcut! Justin

38,086 просмотров • 4 месяцев назад

This is what happens when you release an macOS app on the App Store.

This is what happens when you release an macOS app on the App Store.

58,093 просмотров • 8 месяцев назад

If you're new to apps, you need to use XcodeBuildMCP. It takes all the rough edges out of working with Codex or Claude Code and Xcode. Your agent can build and run your app, and even check the UI to see if it looks good via Apple Accessibility APIs.

If you're new to apps, you need to use XcodeBuildMCP. It takes all the rough edges out of working with Codex or Claude Code and Xcode. Your agent can build and run your app, and even check the UI to see if it looks good via Apple Accessibility APIs.

53,825 просмотров • 8 месяцев назад

Give Codex the Agent SKILLS it needs to write modern apps for iOS 27 and macOS 27. Run this xcrun command to export all the skill files. Xcode 27 is a big step forward for agentic development.

Give Codex the Agent SKILLS it needs to write modern apps for iOS 27 and macOS 27. Run this xcrun command to export all the skill files. Xcode 27 is a big step forward for agentic development.

23,380 просмотров • 3 месяцев назад

Wow! Codex can run shell commands if you add a ! to them. !ls !pwd Anything you want to run, without having to open another terminal pane.

Wow! Codex can run shell commands if you add a ! to them. !ls !pwd Anything you want to run, without having to open another terminal pane.

33,472 просмотров • 8 месяцев назад

How to use the new Icon Composer with an existing Xcode project: 1. Make a new icon file 2. Drag it into your Xcode project (Move into) 3. Xcode should prioritize that over previous AppIcon files 4. Close the Icon Composer file 5. Click on Icon in Xcode 6. Open in Icon Composer (Make edits now) Things to Note: 1. Xcode will render the new static icon for previous macOS versions (Sequioa) 2. If you drag the app icon around your Dock, you may not see the app icon update unless you drag it off the Dock (Stop the app) 3. You may need to Clean + Run to see the icon update 4. Change the "Primary App Icon Set Name" to choose between multiple Composer files.

How to use the new Icon Composer with an existing Xcode project: 1. Make a new icon file 2. Drag it into your Xcode project (Move into) 3. Xcode should prioritize that over previous AppIcon files 4. Close the Icon Composer file 5. Click on Icon in Xcode 6. Open in Icon Composer (Make edits now) Things to Note: 1. Xcode will render the new static icon for previous macOS versions (Sequioa) 2. If you drag the app icon around your Dock, you may not see the app icon update unless you drag it off the Dock (Stop the app) 3. You may need to Clean + Run to see the icon update 4. Change the "Primary App Icon Set Name" to choose between multiple Composer files.

15,480 просмотров • 5 месяцев назад

I Tried to Break GPT-5.2 — It Kept Working I tested Codex GPT-5.2 live — no prep, no prompt engineering, no cleanup passes. I expected to spend time fixing output. Instead… it just worked.

I Tried to Break GPT-5.2 — It Kept Working I tested Codex GPT-5.2 live — no prep, no prompt engineering, no cleanup passes. I expected to spend time fixing output. Instead… it just worked.

14,913 просмотров • 9 месяцев назад

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