# Valid Skill > Use when working with a valid test skill with proper formatting. This skill should pass all validations and serves as a reference for the expected format. - Skill: `tomevault-io/valid-skill-3` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/valid-skill-3` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/valid-skill-3/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/valid-skill-3 --- # Valid Skill A simple valid skill for testing purposes. ## When to Apply Reference these guidelines when testing the skills-ref validator. ## Quick Reference ### 1. Example Category (CRITICAL) - `example-rule-one` - First example rule for testing - `example-rule-two` - Second example rule for testing ## How to Use This skill is used for testing validation. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/pproenca) — claim your Tome and manage your conversions.