# M Harden

> Add error states, loading states, i18n safety, edge cases using system tokens.

- Skill: `dragoon0x/m-harden` (Agent Skill)
- Install (CLI): `npx skillmds@latest add dragoon0x/m-harden`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dragoon0x/m-harden/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: dragoon0x (https://skillmd.com/u/dragoon0x)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/dragoon0x/m-harden

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# /m-harden — Production Hardening
1. Error states with danger tokens\n2. Loading skeletons with surface-sunken\n3. Empty states with centered messaging\n4. text-overflow: ellipsis, overflow-wrap: break-word\n5. Logical properties for RTL (padding-inline, margin-block)\n6. @supports for modern CSS features