A11y I18n Rules

    1

    Standardize your front-end for WCAG accessibility and ICU-based internationalization.

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    A11y I18n Rules

    Example session with this skill installed

    Review this button component for accessibility issues: Submit
    • Read your context and instructions
    • Compiled the a11y i18n rules
    • Generated the UI component
    • File: components/Submit.tsx, line 1
    • Rule: Semantic HTML block
    • Fix: Replace div with a native <button> element.
    • Prevents: Keyboard and screen-reader users cannot trigger the action as it lacks a tab stop and role.

    a11y-i18n-rules.tsx

    TSX · React component

    Generated

    Example file from a real run - the skill writes it into your workspace.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Implement keyboard-accessible focus traps for modals and dialogs.Refactor directional CSS to logical properties for RTL support.Convert string concatenation to ICU MessageFormat for better translation.Enforce semantic HTML usage to reduce dependency on complex ARIA roles.

    About this skill

    The problem

    Interactive elements built with generic divs lack the keyboard and screen-reader support of native HTML. Hardcoded strings and directional CSS like "left" and "right" create technical debt that breaks layouts and grammar in non-English locales.

    What it does

    • Enforces semantic HTML over ARIA bolt-ons to ensure native screen-reader support.
    • Identifies keyboard traps and manages focus order for modals, menus, and route changes.
    • Migrates hardcoded strings to ICU MessageFormat to handle plurals, gender, and word order.
    • Converts directional CSS to logical properties for RTL (Right-to-Left) layout compatibility.
    • Automates WCAG AA contrast checks and reduced-motion preference compliance.

    Frameworks & tools

    React, Next.js, Vue, Tailwind CSS, ICU MessageFormat, and any modern front-end stack using CSS logical properties.

    Why this beats prompting it yourself

    General-purpose models often hallucinate ARIA attributes or use string concatenation that fails in translation. This skill applies a specific "trigger matrix" to catch silent failures like missing labels, incorrect tab order, and non-logical CSS properties before they reach production.

    Use cases

    • Converting a legacy "div-based" component library to accessible, semantic HTML.
    • Pre-flighting a feature for international launch in RTL languages like Arabic or Hebrew.
    • Refactoring hardcoded UI strings into a scalable, translation-ready message catalog.
    • Ensuring complex UI patterns like modals and dropdowns meet keyboard navigation standards.

    Known limitations

    This tool identifies authoring-time errors but does not run live screen-reader audits, verify color contrast values against actual rendered pixels, or provide literal translations.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
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    Listed1 month ago

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