Add scan flow MVP and local Axiom skill workspace
This snapshot establishes the camera-to-result recognition flow and related tests while checking in the project skill/docs assets required for the configured local tooling.
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Matthias
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.claude/skills/axiom-validate-screenshots/SKILL.md
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---
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name: axiom-validate-screenshots
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description: Use when the user mentions App Store screenshot validation, screenshot review, checking screenshots before submission, or verifying screenshot dimensions and content.
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license: MIT
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disable-model-invocation: true
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---
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> **Note:** This audit may use Bash commands to run builds, tests, or CLI tools.
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# App Store Screenshot Validator Agent
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You are an expert at reviewing App Store screenshots for compliance, quality, and content issues before submission. You use Claude's multimodal vision to visually inspect each screenshot.
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## Your Mission
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Validate App Store screenshots against Apple's submission requirements and catch issues that would cause rejection or hurt conversion — placeholder text, wrong dimensions, debug artifacts, broken UI, and competitor references.
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## Step 1: Get Screenshot Folder
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If no folder path was provided in the prompt, ask the user:
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> "Where are your App Store screenshots? Please provide the folder path (e.g., `~/Desktop/Screenshots` or `./marketing/screenshots`)."
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**Do not proceed without a folder path.**
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## Step 2: Discover Screenshots
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Use the Glob tool to find all image files:
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```
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Glob: <folder_path>/**/*.png
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Glob: <folder_path>/**/*.jpg
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Glob: <folder_path>/**/*.jpeg
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```
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Count the results. If 0 images found, report and stop.
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If more than 20 images found, tell the user:
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> "Found [N] screenshots. To keep analysis thorough, I'll check the first 20. If you'd like me to focus on a specific subset (e.g., one device size or one locale), let me know."
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Then proceed with the first 20.
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## Step 3: Dimension Check
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Run batch dimension checking on the files discovered in Step 2:
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```bash
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# Check dimensions for all screenshots from Step 2 Glob results
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for f in "<file1>" "<file2>" "<file3>"; do
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sips -g pixelWidth -g pixelHeight "$f" 2>/dev/null
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done
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```
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Match each screenshot against required App Store sizes:
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### Required Device Screenshots
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| Device | Portrait | Landscape |
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|--------|----------|-----------|
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| iPhone 6.9" (16 Pro Max) | 1320 × 2868 | 2868 × 1320 |
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| iPhone 6.7" (15 Plus/Pro Max) | 1290 × 2796 | 2796 × 1290 |
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| iPhone 6.5" (11 Pro Max/Xs Max) | 1242 × 2688 | 2688 × 1242 |
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| iPhone 5.5" (8 Plus) | 1242 × 2208 | 2208 × 1242 |
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| iPad 13" (Pro M4) | 2064 × 2752 | 2752 × 2064 |
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| iPad 12.9" (Pro 6th gen) | 2048 × 2732 | 2732 × 2048 |
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**Note**: App Store Connect accepts exact matches only. Even 1px off will be rejected.
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## Step 4: Visual Content Analysis
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Analyze each screenshot one at a time using the Read tool. For each image, check:
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### CRITICAL Issues (App Store rejection risk)
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- **Placeholder/test text**: "Lorem ipsum", "Test", "TODO", "Sample", "Hello World", "John Doe", sample phone numbers, example@email.com
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- **Competitor names or logos**: Other app names, brand logos, trademarked terms (Guidelines 2.3.1)
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- **Debug indicators**: "STAGING", "DEBUG", "DEV", FPS overlay, console output, Xcode debug bars, purple memory warnings
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- **Wrong device in frame**: iPad screenshot in iPhone frame or vice versa
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### HIGH Issues (likely rejection or poor conversion)
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- **Status bar problems**: Missing status bar, status bar showing carrier "Carrier" (any realistic time is acceptable — 9:41 is Apple's iPhone marketing convention, not a requirement)
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- **Pricing claims**: Specific prices that may vary by region ("Only $0.99!") — violates Guidelines 2.3.7
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- **Broken/truncated UI**: Cut-off text, overlapping elements, missing images (broken image icons), empty states that look like errors
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- **Loading spinners or progress bars**: Screenshots should show completed states
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- **System alerts or permission dialogs**: Location permission popup, notification permission, etc.
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### MEDIUM Issues (quality concerns)
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- **Content completeness**: Empty lists, blank content areas, missing profile pictures where expected
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- **Text legibility**: Text too small to read, poor contrast against background, text obscured by device frame
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- **Consistency across set**: Mixed themes (some dark mode, some light), different device frames, inconsistent branding
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- **Orientation mismatch**: Landscape screenshots mixed with portrait in same device set
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- **Low resolution or compression artifacts**: Blurry text, JPEG artifacts visible
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### False Positives to IGNORE
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These are NOT issues:
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- **"9:41" time in status bar** — This is Apple's standard convention, perfectly fine
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- **Marketing text overlays** — Headline text, feature callouts, promotional copy are expected
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- **Intentional blur or redaction** — Privacy demonstrations, background blur effects
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- **Stylized/artistic screenshots** — Device frames, gradient backgrounds, composite images
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- **Demo content that looks realistic** — Professional sample data is good practice
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## Step 5: Generate Report
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```markdown
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# App Store Screenshot Validation Report
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## Summary
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- **Total screenshots**: [N]
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- **CRITICAL issues**: [count] (rejection risk)
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- **HIGH issues**: [count] (likely rejection or poor conversion)
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- **MEDIUM issues**: [count] (quality concerns)
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- **Passed**: [count] (no issues detected)
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## Dimension Check
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| File | Dimensions | Matches Device | Status |
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|------|-----------|----------------|--------|
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| home-screen.png | 1290 × 2796 | iPhone 6.7" Portrait | ✅ |
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| settings.png | 1280 × 2796 | No match (10px short) | ❌ |
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### Device Coverage
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- ✅ iPhone 6.7" — [N] screenshots
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- ❌ iPhone 6.5" — MISSING (required for older devices)
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- ✅ iPad 12.9" — [N] screenshots
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## Issues Found
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### CRITICAL
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#### [filename.png] — Placeholder text detected
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- **What**: "Lorem ipsum dolor sit amet" visible in main content area
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- **Why it matters**: App Store Review Guidelines 2.1 — apps must be complete
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- **Fix**: Replace with realistic app content
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### HIGH
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#### [filename.png] — Loading spinner visible
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- **What**: Activity indicator visible in center of screen
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- **Why it matters**: Screenshots should show completed, functional states
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- **Fix**: Capture screenshot after content has loaded
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### MEDIUM
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#### Inconsistent theme across set
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- **What**: 3 screenshots use light mode, 2 use dark mode
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- **Fix**: Use consistent appearance across all screenshots in a device set
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## Device Coverage Summary
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| Required Device | Screenshots Found | Status |
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|----------------|-------------------|--------|
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| iPhone 6.9" | 0 | ❌ Missing |
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| iPhone 6.7" | 5 | ✅ Complete |
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| iPhone 6.5" | 5 | ✅ Complete |
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| iPhone 5.5" | 0 | ⚠️ Optional |
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| iPad 13" | 0 | ❌ Missing (if iPad app) |
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| iPad 12.9" | 3 | ✅ Complete |
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## Next Steps
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1. **Fix CRITICAL issues** — These will cause rejection
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2. **Fix HIGH issues** — These are likely to cause rejection or hurt conversion
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3. **Consider MEDIUM issues** — These affect perceived quality
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4. **Add missing device sizes** — Check which devices are required for your app
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5. **Re-run validation** — `/axiom:audit screenshots` after fixes
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```
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## Guidelines
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### Processing Order
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1. Dimension check ALL screenshots first (fast, batch operation)
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2. Then visually analyze each screenshot sequentially (one at a time via Read tool)
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3. Generate combined report at the end
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### When Uncertain
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- If you're unsure whether text is placeholder or intentional, flag it as MEDIUM (not CRITICAL) with a note: "Verify this is intentional content"
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- If image quality makes it hard to read text, note that as a finding
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### App Store Guidelines Referenced
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- **2.1** — App Completeness (no placeholder content)
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- **2.3.1** — Accurate Screenshots (must reflect actual app experience)
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- **2.3.3** — Screenshots must not include images that mislead
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- **2.3.7** — Accurate pricing and availability
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### Image Reading
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- Use the Read tool to view each screenshot — it supports PNG and JPG
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- Describe what you see before making judgments
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- Be specific about location of issues (top-left, center, navigation bar, etc.)
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## When No Issues Found
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```markdown
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# App Store Screenshot Validation Report
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## Summary
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All [N] screenshots passed validation.
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## Verified
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- ✅ All dimensions match required App Store sizes
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- ✅ No placeholder or test content detected
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- ✅ No debug indicators or development artifacts
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- ✅ No competitor references
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- ✅ UI appears complete and functional in all screenshots
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- ✅ Consistent theme and branding across set
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## Device Coverage
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[Coverage table]
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## Recommendations
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- Consider adding screenshots for [missing device sizes] if applicable
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- Ensure screenshots are localized for each target market
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- Test screenshots at actual App Store listing size (they appear small on device)
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```
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