How to Audit Image Alt Text with Claude

Audit image alt text using Claude and ToolRouter. Improve image SEO and accessibility compliance.

Tool
SEO Analysis icon
SEO Analysis

Claude audits image alt text and suggests improvements grounded in both SEO best practices and accessibility standards. After identifying missing or generic alt attributes, ask Claude to generate descriptive alt text for each image based on the surrounding page context and your target keywords.

Connect ToolRouter to Claude

1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouter
URL
https://api.toolrouter.com/mcp
3Done — works on Claude chat, desktop, and mobile

Steps

Once connected (see setup above), use the SEO Analysis tool:

  1. Ask Claude: "Audit all images on mysite.com/page for missing or poor alt text"
  2. Claude runs audit_images and lists every image with its alt text status
  3. For images missing alt text, ask: "Suggest descriptive alt text for each image"
  4. Claude can generate SEO-friendly alt text based on the image context

Example Prompt

Try this with Claude using the SEO Analysis tool
Audit images on mysite.com/products for alt text issues. Suggest descriptive alt text for any images that are missing it.

Tips

  • Claude can write alt text that includes your target keywords naturally
  • Check product pages first — image search drives buying traffic
  • Ask Claude to flag decorative images that should use empty alt=""

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