About A11y
A11y is an MCP server in the Browser category: mCP server for performing accessibility audits on webpages.
The repository has 53 stars and 0 forks, with the last commit 6 days ago. Recent commit activity is the strongest signal that reported issues will get attention.
Install
claude mcp add a11y -- npx -y a11y-mcpnpx -y a11y-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (6)
audit_page(url)Playwright + axe-core, returns structured WCAG violations (with selectors and colors)
Parameters not published.
fix_contrast(fg, bg)Closest WCAG-compliant foreground color (AA 4.5:1 normal text)
Parameters not published.
generate_alt_text(imageUrl \selector)`
Parameters not published.
generate_report(...)Self-contained before/after HTML report
Parameters not published.
open_pr(...)Opens a mergeable PR via Octokit. Strict guardrail: only ever touches `A11Y_TARGET_REPO`
Parameters not published.
simple_fixes(html)Missing `lang`, missing `<title>`, unlabeled form controls
Parameters not published.
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