
Memory
5-Layer Memory Stack Guide
CLAUDE.md is not a memory system. The full five-layer architecture that actually remembers what you did and what went wrong.
Published March 2026
Look inside
Most people set up CLAUDE.md, call it done, and wonder why Claude keeps forgetting things. CLAUDE.md is a rules file. It tells Claude who it is. It does not remember what you did yesterday, what went wrong last week, or what your knowledge base contains. Most people have layer 1. Some have layer 2. Almost nobody has all five.
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