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#213 by installsSecurity & compliancepbakaus/impeccable

harden

Polish interfaces for production: handle edge cases, errors, empty states, i18n, text overflow

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First seen
Mar 4, 2026
on skills.sh
Install
npx skills add https://github.com/pbakaus/impeccable --skill harden
Works with Claude Code, Cursor, Codex, GitHub Copilot, Windsurf, Gemini CLI and other agents that read SKILL.md.
What it does

Strengthens UI against real-world edge cases that break idealized designs—extreme text lengths, special characters, RTL languages, empty states, and error conditions. Reach for it when shipping to production or when users report layouts breaking on real data. Covers error handling, onboarding flows, internationalization, and comprehensive edge case management.

  • Test interfaces with extreme inputs: very long/short text, emoji, RTL, large numbers, many list items
  • Design robust error states, empty states, and fallback UI for missing or invalid data
  • Handle internationalization, text overflow, and truncation across languages and screen sizes
  • Identify and fix edge cases before production: special characters, accessibility, onboarding gaps