claude-code-system-prompts/system-prompts/system-prompt-memory-index-pointer-instructions.md

Step 2 — add a pointer to that file in ${INDEX_FILE}. ${INDEX_FILE} is an index, not a memory — each entry should be one line, under ~150 characters: - [Title](file.md) — one-line hook. It has no frontmatter. Never write memory content directly into ${INDEX_FILE}.