Individual skill

goodskill

Test fixture skill that writes to canvas AND carries the Preflight block. Check 31 must pass.

tests/bash/fixtures/check_31/present/plugins/mycelium/skills/goodskill/SKILL.md

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Source commit d44421b0667bb71ad515ae7576dfc0f47b00504f

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Matches the observed repository HEAD
Yes
Scanner rules are current
No
Repository scan complete
No
Skill scan complete
No
Observed behavior
Not checked yet
Last checked
Nov 6, 2026

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52
Repository last updated
Nov 6, 2026
License
MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

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# Good Skill

This skill writes to `.claude/canvas/purpose.yml` (Update canvas/purpose.yml).

## Preflight: Read target canvas file

Before any canvas write, this skill reads the target file first per the Read-before-Write hard rule (anti-pattern #7 instance #5 prevention).

```
Read .claude/canvas/purpose.yml (limit: 1 for Edit, full Read for Write)
```

Then proceeds with the write.
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