# Format > Check code formatting (prettier + stylelint) without modifying files Use when this capability is needed. - Skill: `tomevault-io/format-4` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/format-4` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/format-4/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/format-4 --- # Format Check Check code formatting using prettier and stylelint without making any changes. Run the format check script which will: 1. Check prettier formatting 2. Check stylelint rules 3. Show concise summary (OK or ISSUES with top 3 errors) 4. Suggest running /format-fix if issues found Execute: `bash ../format.sh` --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/nabondance) — claim your Tome and manage your conversions.