Test fixture skill that writes to canvas without a Preflight block. Check 31 must surface this.
Scanned 5/28/2026
Install to Claude Code
Skills Directorynpx -y skills add haabe/mycelium --skill badskill --agent claude-codeInstalls into .claude/skills of the current project.
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---
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.
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