# Test Skill > Test skill for verifying the Skills system upgrade Use when this capability is needed. - Skill: `tomevault-io/test-skill-10` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/test-skill-10` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/test-skill-10/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: AI & ML - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/test-skill-10 --- # Test Skill This is a test skill to verify the production-grade Skills system. ## Features Tested: - Multi-directory loading (.ai-agent/skills) - when_to_use field for AI auto-invocation - allowed-tools restriction - $ARGUMENTS parameter substitution ## Arguments $ARGUMENTS ## Instructions Please confirm that you received this skill content and list the features that were successfully loaded. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/xpnobug) — claim your Tome and manage your conversions.