Individual skill
accessibility-robust
Use this skill when the question is whether assistive technologies — screen readers, voice control, switch devices, refreshable braille displays — can reliably interpret your UI. Trigger when picking between semantic HTML and a custom-built component, when reaching for ARIA, when designing live regions for dynamic content (toasts, validation, search results), or when reviewing a UI built largely from `<div>` elements. Covers WCAG Principle 4 (Robust). Sub-aspect of `accessibility`; read that first if you haven't already.
plugins/HDeibler/universal-design-principles/plugins/process-and-robustness-principles/skills/accessibility-robust/SKILL.md
Source commit d780783eba4ecc7c8b9429f95c9362df95f07c61
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- Matches the observed repository HEAD
- Yes
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- Yes
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 4, 2026
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- Repository stars (not skill ratings)
- 1,532
- Repository last updated
- Nov 6, 2026
- License
- Apache-2.0
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
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SKILL.mdcore · 13,549 bytesreferences/robust-deep-dive.mddoc · 6,377 bytes
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# Accessibility — Robust
WCAG Principle 4: content must be robust enough to be interpreted reliably by a wide variety of user agents, including assistive technologies.
The two sub-criteria, simplified:
1. **Compatible** — markup is parsed correctly; name, role, and value are programmatically determinable for every UI component.
2. **Status messages** — programmatically-conveyed status updates without focus shifts.
Robustness is the layer most often broken by frameworks that abstract away HTML semantics. A `<div>`-based UI may be visually identical to a semantic one and entirely opaque to assistive tech.
## 1. Compatible
### Semantic HTML first