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Creates behavioral rules in markdown to block dangerous commands or restrict AI behavior.
Passed 18 of 20 test cases with the skill, and 6 of 20 without it.
and 17 more in the full report
13 fixed7 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
What exact directory and filename pattern should be used when saving a local Hookify rule named `check-secrets` for a Claude Code project?
| Checked | Without skill | With skill |
|---|---|---|
| Specifies the path starting with .claude/ | Passed | Passed |
| Uses the filename format hookify.check-secrets.local.md | Missed | Passed |
The instructions your model reads when the skill loads.
Hookify rules are markdown files with YAML frontmatter that define patterns to watch for and messages to show when those patterns match. Rules are stored in .claude/hookify.{rule-name}.local.md files.
Create .claude/hookify.dangerous-rm.local.md:
---
name: dangerous-rm
enabled: true
event: bash
pattern: rm\s+-rf
action: block
---
🛑 **Dangerous rm command detected!**
This command could delete important files.
Verification: Run the command with --help flag to verify availability.
The rule activates immediately - no restart needed!
test cases passed, vs 6 / 20 without
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