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io.github.lazymac2x/a11y-scorer

by lazymac2x · remote · no sign-in to list tools · v1.0.0 · published by GitHub user lazymac2x

Cloudflare Workers MCP server: a11y-scorer

Changes · 3
CompareRegistry entry

4 tools: 3 change things and 1 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http a11y-scorer https://api.lazy-mac.com/a11y-scorer/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

4 tools

Changes things 3Claude Code: ask
  • a11y_audit_htmlAudit raw HTML for WCAG 2.1 AA issues.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Audit raw HTML for WCAG 2.1 AA issues.
  • a11y_contrastEvaluate WCAG color contrast for a foreground/background pair.No findings

    Why it is in this group

    • The description's first verb is "evaluate": a word for a change.
    Description, as the server wrote it
    Evaluate WCAG color contrast for a foreground/background pair.
  • a11y_headingsExtract heading outline from HTML.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Extract heading outline from HTML.
Only reads 1Claude Code: allow
  • a11y_audit_urlFetch a URL and return a WCAG 2.1 AA heuristic audit.No findings

    Why it is in this group

    • The description's first verb is "fetch": a word for reading.
    Description, as the server wrote it
    Fetch a URL and return a WCAG 2.1 AA heuristic audit.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http a11y-scorer https://api.lazy-mac.com/a11y-scorer/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__a11y-scorer__a11y_audit_url"
    ],
    "ask": [
      "mcp__a11y-scorer__a11y_audit_html",
      "mcp__a11y-scorer__a11y_contrast",
      "mcp__a11y-scorer__a11y_headings"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as a11y-scorer. Review it before you use it.