Semantic HTML is the foundation of accessible web content. The right element provides built-in roles, keyboard behavior, and accessibility tree information that ARIA cannot fully replicate.
A11y Semantic HTML is a community-contributed Claude Code skill in the content-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/a11y-semantic-html/ and loads when your prompt matches the skill's trigger.
When to invoke it: use when reviewing HTML for screen reader compatibility or document outline correctness.
The A11y Semantic HTML Claude Code skill is built for content creators, marketers, copywriters, SEO professionals, and editorial teams. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
mkdir -p ~/.claude/skills/a11y-semantic-html curl -L https://claudskills.com/skills/a11y-semantic-html/SKILL.md \ -o ~/.claude/skills/a11y-semantic-html/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/a11y-semantic-html/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/a11y-semantic-html/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\a11y-semantic-html\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Browse all Content skills in the ClaudSkills registry, or explore these other picks from the same category:
Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel
SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.