memory-engineering
Use when an agent's memory needs to be built, audited, or maintained — the user asks to set up a memory system, complains the agent keeps forgetting or repeating mistakes, says the instruction file (CLAUDE.md/AGENTS.md) has grown bloated or contradictory, asks what should be remembered vs deleted, or says 'remember this'. Triggers: memory engineering, bootstrap a memory system, audit my memory, my agent forgets everything, CLAUDE.md is a mess, run the memory sweep, 建記憶系統, 健檢記憶, 清理記憶. Not a vector database or retrieval tool.
Install
git clone https://github.com/danyuchn/memory-engineering-skill ~/.claude/skills/memory-engineering
From README
Memory Engineering Give an agent a memory it can trust: rules for what to write down, where it goes, and when it gets deleted. The system is three verbs applied to four memory types. Subtraction is the governing philosophy — the default answer to "should this be remembered?" is no, and deletion gets equal billing with writing, because bloated memory is how agents get slow, contradictory, and wrong. The three verbs | Verb | Question it answers | Rules file | |---|---|---| | WRITE | Does this deserve to exist? (admission test: if this line were gone, would the agent make a mistake?) One fact per file, with its why. | references/write-rules.md | | ROUTE | Where does it live? Working = session (not persisted) · Episodic = journal · Semantic = fact files + index, one home per fact · Procedural = instruction layers, task-specific bulk demoted to skills. | references/routing.md | | PRUNE | When does it die? Wrong → now. Done → archive. Unused 60–90 days → challenge. Index capped (150 lines).
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