How to Check Accessibility Compliance with Claude
Audit accessibility with Claude and ToolRouter. Find WCAG issues before they become legal problems.
Tool
Claude audits accessibility compliance through Lighthouse and explains each WCAG violation in practical terms. Ask why an issue matters for real users, get HTML fix suggestions specific to your markup, or have Claude prioritize violations by severity and legal risk — all in an interactive session that builds understanding alongside compliance.
Connect ToolRouter to Claude
1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouterURL
https://api.toolrouter.com/mcp3Done — works on Claude chat, desktop, and mobile
Steps
Once connected (see setup above), use the Lighthouse Audit tool:
- Ask Claude: "Run a Lighthouse accessibility audit on mysite.com/page"
- Claude returns the accessibility score with every flagged violation
- Review issues grouped by severity -- critical violations first
- Ask Claude to generate code fixes for each accessibility issue
Example Prompt
Try this with Claude using the Lighthouse Audit tool
Audit mysite.com for accessibility issues using Lighthouse. Group the results by severity and suggest fixes for each.
Tips
- Focus on critical and serious violations first -- they have the biggest impact
- Claude can generate ARIA attributes, alt text, and label fixes in your framework
- Run on your most-trafficked pages first for maximum accessibility improvement