Badskill

Name: Badskill
Author: haabe

ASecurity

Test fixture skill that writes to canvas without a Preflight block. Check 31 must surface this.

46 stars
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0 copies
2 views
Added May 28, 2026

development

Security analysis

A100/100

Scanned May 28, 2026

npx -y skills add haabe/mycelium --skill badskill --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md

---
name: badskill
description: Test fixture skill that writes to canvas without a Preflight block. Check 31 must surface this.
---

# Bad Skill

This skill writes to `.claude/canvas/purpose.yml` (Update canvas/purpose.yml) but lacks the required Preflight: Read target canvas file block. Check 31 should flag this skill.