Creates and updates modular project rules for Claude Code in .claude/rules/ directory. Use when creating, updating, or modifying rule files, organizing project guidelines, setting up code standards, or when user mentions "create rules", "update rules", "add rules", or "rule configuration".
Goal: Create and maintain focused, well-organized rule files in .claude/rules/ following Claude Code best practices.
IMPORTANT: Rules should be concise, focused, and organized by topic. Follow the reference documentation structure.
references/project-rules-docs.md.claude/rules/ to understand patterns.claude/rules/.claude/rules/ directory