"Generate App Store screenshots for my app"
→ Claude + Koubou:
• Derives your brand colors
• Creates 5 slides (hero → features)
• Exports pixel-perfect PNGs
• Handles 10+ languages
20 minutes vs 2 days in Figma.
Open source, MIT license.
| Github | https://github.com/bitomule |
| https://twitter.com/bitomule | |
| Blog | https://blog.bitomule.com |
"Generate App Store screenshots for my app"
→ Claude + Koubou:
• Derives your brand colors
• Creates 5 slides (hero → features)
• Exports pixel-perfect PNGs
• Handles 10+ languages
20 minutes vs 2 days in Figma.
Open source, MIT license.

Transform YAML into handcrafted App Store screenshots. Koubou is your professional workshop where every screenshot is carefully crafted with artisan quality. - bitomule/Koubou
Koubou v0.15.0: HTML rendering + AI skill for App Store screenshots
What changed:
• Design with HTML/CSS (not just YAML)
• AI skill built-in
brew install koubou
Now with AI superpowers.

Transform YAML into handcrafted App Store screenshots. Koubou is your professional workshop where every screenshot is carefully crafted with artisan quality. - bitomule/Koubou
Install:
brew install koubou
Open source. MIT licensed.
https://github.com/bitomule/koubou
Expect more improvements to make Koubou more agent friendly and please let me know if you have any feedback.
6/ Real workflow:
20 minutes vs 2 days in Figma.
All the original features still work:
• xcstrings localization
• Live preview mode
• Pixel-perfect dimensions
5/ What's new #2: Claude Code skill
Conversational screenshot generation:
"Generate 5 App Store screenshots for my coffee app"
Claude:
✅ Derives brand colors from Assets.xcassets
✅ Creates narrative arc
✅ Generates HTML templates
✅ Exports PNGs
4/ Same template works for:
• iPhone 16 Pro
• iPad Pro 13"
• Mac screenshots
• Apple Watch
100+ device frames included.
3/ The magic: Pre-composition
Koubou renders your screenshot INSIDE the device frame automatically.
Your template receives a composited image.
No CSS tricks. No border-radius hacks. Just place the image.