Summary
Preparing App Store Connect screenshots is tedious, and this skill automates the resize and validation workflow using macOS sips and the asc CLI. It pulls current screenshot dimensions directly from asc instead of relying on stale hardcoded tables, which matters because Apple changes requirements. The workflow covers filename sanitization (Unicode spaces break tools), alpha channel stripping (ASC rejects transparency), batch resizing to exact pixel dimensions, and validation before upload. It's opinionated about preserving originals and validating everything with asc before you touch the upload command. If you ship iOS or Mac apps and wrestle with screenshot prep every release, this condenses the tedious parts into a repeatable pattern.
Install to Claude Code
npx -y skills add rudrankriyam/app-store-connect-cli-skills --skill asc-screenshot-resize --agent claude-codeInstalls into .claude/skills of the current project.
Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
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Keeps your Mac awake while Claude Code, Codex or Cursor works. Lets it sleep when they are done.
Try free for 7 days →Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Free an open-source skills that make AI coding agents easier to understand, verify, and control.
Download for free →
