Show HN: An agent-skill to generate preview, AppStore screenshots and campaigns (github.com)

A new Agent Skill has been announced that allows developers to transform app screenshots and screen recordings into App Store and Play Store visuals, including social media cards and promo videos, using local rendering with headless Chrome, three.js, and ffmpeg. This tool is significant for the AI/ML community as it streamlines the creation of marketing materials, enabling developers to effortlessly produce professional-quality assets tailored to various platforms and themes, enhancing their app's visibility and appeal in a crowded marketplace. Key technical details include the skill's compatibility with Node 20+, Chrome/Chromium/Edge, and ffmpeg for video processing. It supports generating multiple outputs, such as app-store screenshots in standard sizes, social cards for platforms like LinkedIn and Instagram, and 3D device mockups. The skill includes customizable themes inspired by popular apps, and developers can utilize a command-line interface to specify rendering parameters and outputs. Additionally, the tool features a local preview editor for a more hands-on approach to asset creation, providing an accessible way to enhance app marketing strategies while making use of open-source components and licensing.