Why AI coding agents ignore CLAUDE.md files and four fixes that help

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A developer found that their AI coding agent read a project memory file once and then ignored its rules during the session. The article argues that overly long files get skimmed, so short sections that answer specific decisions work better. It recommends concrete, checkable rules over vague guidance and keeping instructions current after refactors. It also notes that each tool reads a different file name, so the memory file must sit in the correct location. The author suggests pairing the file with a review command so the agent treats the rules as acceptance criteria.

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