Official Anthropic guidance for Opus 4.5 to keep code changes minimal, focused, and free of unnecessary complexity.

A minimal, effective template for Claude Code project instructions focusing on what matters.

Focused code review guidelines that prioritize real issues over theoretical concerns and style nitpicks.

Constraints for direct, conversational writing that avoids buzzwords, clichés, and empty formality.

Transform meeting notes into concise summaries with clear action items and ownership assignments.

Guidelines for forming and expressing well-reasoned opinions with intellectual honesty and clear reasoning.

A framework for deep understanding that cuts through surface-level explanations to expert-level insight.