axiom-validate-screenshots

Validate App Store screenshot dimensions and visual content against Apple guidelines.

34|2|Updated Mar 16, 2026
One-click install
npx skills add https://github.com/DengNaichen/Stet --skill axiom-validate-screenshots
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: axiom-validate-screenshots
Source: https://github.com/DengNaichen/Stet/tree/main/.agents/skills/axiom-validate-screenshots
Command: npx skills add https://github.com/DengNaichen/Stet --skill axiom-validate-screenshots

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill prevents App Store submission rejections by automatically auditing your screenshots for compliance with Apple's visual and technical requirements.

Core Features & Use Cases

  • Dimension Verification: Automatically checks screenshot resolutions against required device specifications to ensure exact matches.
  • Content Auditing: Uses multimodal vision to detect placeholder text, debug artifacts, competitor logos, and broken UI elements.
  • Coverage Analysis: Identifies missing device sizes or orientations required for a successful App Store listing.

Quick Start

Use the axiom-validate-screenshots skill to audit the images located in the ./marketing/screenshots folder.

Frequently Asked Questions about axiom-validate-screenshots

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate App Store screenshots against Apple's submission guidelines?

App Store screenshot validation checks image dimensions and visual content against Apple's submission guidelines to prevent app rejections. It automatically detects placeholder text, debug artifacts, and broken UI elements using multimodal vision.

Why do my iOS app store screenshots get rejected for visual content issues?

App Store screenshots get rejected when they contain placeholder text, debug artifacts, competitor logos, or broken UI elements. Content auditing uses multimodal vision to detect these visual compliance issues in your image assets.

What is the best way to check app store screenshot dimensions and required device sizes?

Checking app store screenshot dimensions requires automated verification against required device specifications. Coverage analysis identifies missing device sizes or orientations needed for a successful App Store listing.

Can I automatically audit my mobile app marketing screenshots for compliance?

You can automatically audit mobile app marketing screenshots for compliance by scanning a local image folder. This pre-submission quality assurance workflow verifies dimensions, audits visual content, and analyzes device size coverage.

Does screenshot validation require multimodal vision capabilities to detect broken UI?

Screenshot validation requires multimodal vision capabilities to detect broken UI elements and visual artifacts. It also needs file system access to scan and analyze the image assets located in your marketing folders.

What are the limitations of automated App Store screenshot compliance checks?

Automated App Store screenshot compliance checks are limited to validating image dimensions, visual content artifacts, and device size coverage. They require local file system access to scan images and cannot modify assets to fix detected issues.