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Grok Bot+18 agentsAlt Text Bulk WCAG Generator
Generate context-aware alt text in bulk, classify decorative and functional images correctly, flag complex visuals for long descriptions, and export WCAG/WAI-aligned accessibility review files.
$5
Alt Text Bulk WCAG Generator
Example session with this skill installed
Generate alt text for the 1,250 images in image-inventory.xlsx.
Use the image files in images/ when visual inspection is available, plus the page title, nearby text, caption, product name, brand, and color columns from the inventory.
Follow WCAG 2.2 / W3C WAI image guidance.
Rules
- classify each image before writing alt text;
- use alt="" for confirmed decorative or redundant images;
- for image-only links/buttons, describe the destination or action;
- flag charts, infographics, maps, and other complex images for a long description;
- do not start alt text with “image of” unless the medium genuinely matters;
- do not invent product attributes, identities, or unreadable text;
- avoid SEO keyword stuffing;
- if the image cannot be inspected and context is insufficient, mark VISUAL_REVIEW_REQUIRED.
Generate the bulk alt-text file, HTML patch candidates, accessibility audit, manual-review queue, and long-description queue.
- Read your context and instructions
- Compiled the alt text bulk
- Generated the image
Bulk alt-text assessment complete
Images processed: 1,250
Informative images: 786
Decorative / redundant: 218
Functional images: 74
Images of text: 39
Complex visuals: 46
Manual / visual review required: 87
Example decisions
| Image | Type | Alt text | Status |
|---|---|---|---|
| SKU-442-front.jpg | Informative | Black leather ankle boot with side zipper | Ready for review |
| hero-wave.svg | Decorative | "" | Decorative confirmed |
| search.svg | Functional | Search | Ready for review |
| q4-traffic-chart.png | Complex | Line chart showing monthly organic traffic rising through Q4 | Long description required |
Complex-image handling
46 charts, diagrams, infographics, or maps were added to the long-description queue.
Their alt attributes contain only a concise identification or key takeaway. Detailed values and relationships should be supplied in adjacent text or another accessible description.
SEO QA
No keyword lists were intentionally added.
23 duplicated alt-text candidates were flagged for review.
14 candidates exceeded the preferred editorial length threshold.
No ranking or traffic claims were generated.
Files generated
- normalized_image_inventory.csv
- alt_text_candidates.csv
- html_alt_patch.csv
- long_description_queue.csv
- manual_review_queue.csv
- accessibility_audit.csv
- summary.json
These are accessibility-focused alt-text candidates aligned with W3C/WAI guidance. Final conformance depends on the image's real purpose, surrounding content, implementation, and human review.
alt-text-bulk-wcag-generator.png
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Example file from a real run - the skill writes it into your workspace.
Connects securely to your tools. The creator never sees your data.
What you get
About this skill
The problem
Large websites and ecommerce catalogs can contain hundreds or thousands of images with missing, generic, duplicated, or SEO-stuffed alt text.
Writing every alternative manually is slow—but blindly generating descriptions is also wrong because accessible alt text depends on the image's purpose and context.
What it does
Alt Text Bulk WCAG Generator turns an image inventory into a structured accessibility review package.
- Generates contextual alt-text candidates in bulk
- Uses the W3C/WAI image decision model
- Separates informative, decorative, functional, text, redundant, and complex images
- Outputs empty alt text for confirmed decorative images
- Describes the purpose of image-only links and controls
- Flags charts and diagrams for long descriptions
- Preserves page and product context
- Detects likely keyword stuffing and duplicate alternatives
- Produces HTML-ready alt attribute candidates
- Creates dedicated manual-review and long-description queues
Why this beats prompting it yourself
A generic prompt tends to describe what an image looks like.
Accessible alt text must communicate what the image means or does in its specific context.
Image Inventory → Purpose Classification → Contextual Alt Draft → WCAG/WAI Validation → SEO QA → Review Queues
Accessibility first, SEO second
Google uses alt text as one signal for understanding image subject matter, but the skill never stuffs keywords or promises search rankings.
Honest compliance boundary
The skill is aligned with WCAG 2.2 / W3C WAI guidance, but automated generation alone cannot certify WCAG conformance.
Ambiguous, functional, complex, or sensitive images are explicitly routed to human review.
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- 1
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- 2
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