This skill should be used when the user asks to create a hookify rule, write a hook rule, configure hookify, add a hookify rule, or needs guidance on hookify rule syntax and patterns.

Writing Hookify Rules Overview 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. Rule File Format Basic Structure Frontmatter Fields Field Required Values Description name Yes kebab case string Unique identifier (verb first: warn , block , require ) enabled Yes true/false Toggle without deleting event Yes bash/file/stop/prompt/all Which hook event triggers this action No warn/block warn (default) shows message; block prevents operation pattern Yes regex string Pattern to match ( or use conditions for complex rules) Advanced Format (Multiple Conditions) Condition fields by event: bash: command file: file path , new text , old text , content prompt: user prompt Operators: regex match , contains , equals , not contains , starts with , ends with All conditions must match for rule to trigger. Event Type Guide bash Events Match Bash command patterns: Dangerous commands: rm\s+ rf , dd\s+if= , mkfs Privilege escalation: sudo\s+ , su\s+ Permission issues: chmod\s+777 file Events Match Edit/Write/MultiEdit operations: Debug code: console\.log\( , debugger Security risks: eval\( , innerHTML\s = Sensitive files: \.env$ , credentials , \.pem$ stop Events Completion checks and reminders. Pattern . matches always. prompt Events Match user prompt content for workflow enforcement. Pattern Writing Tips Regex Basics Escape special chars: . to \. , ( to \( \s whitespace, \d digit, \w word char + one or more, zero or more, ? optional OR operator Common Pitfalls Too broad : log matches "login", "dialog" — use console\.log\( Too specific : rm rf /tmp — use rm\s+ rf YAML escaping : Use unquoted patterns; quoted strings need \\s Testing File Organization Location : .claude/ directory in project root Naming : .claude/hookify.{descriptive name}.local.md Gitignore : Add .claude/ .local.md to .gitignore Commands /hookify [description] Create new rules (auto analyzes conversation if no args) /hookify list View all rules in table format /hookify configure Toggle rules on/off interactively /hookify help Full documentation Quick Reference Minimum viable rule:

hookify-rules