A new Python CLI tool called `rules-doctor` has been developed to help users identify issues with how Claude Code loads custom rule files, specifically CLAUDE.md and AGENTS.md. The tool statically analyzes project structures to detect common problems such as rule files being ignored due to shadowing by CLAUDE.md, imports within code blocks not being processed, and rule files exceeding a certain size limit which can cause models to deprioritize them. `rules-doctor` provides a score and specific suggestions for fixing these loading errors, aiming to prevent user frustration when interacting with Claude Code. AI
IMPACT Helps developers ensure custom instructions are correctly processed by AI agents, improving reliability.
RANK_REASON The cluster describes a new software tool designed to address a specific problem within an existing AI product's functionality.
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