WCAG 2.2 rule reference for free; with an API key: what to fix on your sites and new checks.
Connect Remote server
claude mcp add --transport http accessibility https://pandus.online/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"accessibility": {
"url": "https://pandus.online/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"accessibility": {
"type": "http",
"url": "https://pandus.online/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://pandus.online/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 3 found in our last check
search_rulesSearches the Pandus library of accessibility rule cards (the axe-core rules Pandus checks, explained for business owners) by words, an axe rule id or a WCAG success criterion such as 1.4.3. Free, no API token needed.
explain_ruleExplains one accessibility rule (an axe-core rule id such as image-alt or color-contrast): what is wrong, why it matters for customers, who is affected, how to fix it in code and on Shopify, WooCommerce, PrestaShop or Shoptet, and the WCAG 2.2 / EN 301 549 clauses. Free, no API…
explain_wcag_criterionExplains a WCAG 2.2 level A or AA success criterion (for example 2.4.7) in plain words: what it asks, examples, how to test it by hand and what automated checks can and cannot find. Free, no API token needed.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional. "Bearer <API token>" from Pandus, API and webhooks (Pro and Agency plans), for your own sites. Without it: the free rule reference. |
Details
| Endpoint | https://pandus.online/mcp (Streamable HTTP) |
| First published | 20 Oct 2026 |
| Last updated | 20 Oct 2026 |
| Registry name | online.pandus/accessibility |
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