maestro_store_screenshot
Create app store screenshots with marketing headline text and device frame. Uses AI to composite and resize to exact store dimensions.
Instructions
Create professional app store marketing screenshots with headline text and device-framed app screenshot. Uses Gemini AI to composite the image, then resizes to exact iOS/Android store dimensions. Can auto-capture screenshot from running simulator via Maestro, or accept an existing screenshot path.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| headline | Yes | Marketing headline text to display above the app screenshot (e.g., "Your Photos, Perfectly Protected") | |
| screenshotPath | No | Path to existing screenshot image. If not provided, automatically captures from running simulator via Maestro. | |
| platform | No | Target platform for store screenshots (default: both) | |
| backgroundColor | No | Background color hex code (default: #FFFFFF) | |
| textColor | No | Headline text color hex code (default: #000000) | |
| devices | No | Specific device sizes to generate. Options: iPhone_6.7, iPhone_6.5, iPhone_5.5, iPad_12.9, Phone, Tablet_7, Tablet_10. Default: required sizes only. | |
| model | No | Optional Gemini model override | |
| outputDir | No | Output directory for store screenshots (default: ~/app-publisher-assets/maestro/store_<timestamp>) |