Invalid Skill

SkillAI & models

Lets your agent check that a skill file follows the official format and flags weak or missing content.

Use Invalid Skill in Claude, ChatGPT or Ahel Desktop

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Then ask your AI: use the Invalid Skill

Details

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

Account requirements not reviewed. Check the skill instructions before use; Ahel provides instructions and does not run this skill.

No other account needed.

Add Ahel to your AI once: Claude, ChatGPT, Cursor, Claude Code or Codex. Then ask it to use this.

Invalid SkillStart free

About this skill

Validate Skill content against Agent Skill specification, with additional content density and quality checks.

The instructions your AI receives, as published by agent-ecosystem/skill-validator in testdata/invalid-skill/SKILL.md and read by Ahel’s review.

This skill has several problems for testing the validator.

Also see https://httpstat.us/404 for an example of a broken HTTP link.

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