Free guide · Nov 4, 2026

The full scope lock: Claude only changes what you asked

Five layers that stop Claude Code turning a one-line fix into a 214-file rewrite. A rules block for your CLAUDE.md, a one-line task prefix, a plan-mode-first workflow, a "list every file before editing" prompt, and a working hook that makes Claude ask you before it edits more files than your budget.

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