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Tool Comparison and Selection

NOTE

Comparison of means available for persisting memory.
Tool names include representative examples in Claude Code. The selection axes (always-on, conditional, persist outside) are not product-specific.

Tool Comparison Table

Tool	Memory Write	Memory Read	Context Cost	Use Cases
CLAUDE.md	Manual	Automatic (every session)	Always	Project conventions, technical stack
Git commits	Automatic	Manual (git log)	None	Code change history
.claude/rules/	Manual	Conditional automatic	Condition-dependent	File type rules
MCP memory tools	Automatic/semi-automatic	Search-based	Search-time only	Long-term design decisions, user info
Auto Memory	Automatic	Automatic	At session start	User preferences, project knowledge

Selection Criteria

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