Judgment rules for locating the correct boundary of a requested change: staying inert outside it while completing every required site inside it. Use when scope is ambiguous, a diff touches neighboring surfaces, required dependent edits are unclear, or a proposed compatibility layer, migration, fallback, flag, abstraction, or parallel implementation may exceed the request.
Install
npx skills add scarletkc/agents --skill scoped-changenpx skills add scarletkc/agents --skill scoped-change -a claude-code -gnpx skills add scarletkc/agents --skill scoped-change -a codex -ggemini skills install https://github.com/scarletkc/agents.git --path skills/scoped-changegh skill install scarletkc/agents scoped-changegit clone --depth 1 https://github.com/scarletkc/agents /tmp/scarletkc__agents
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/scarletkc__agents/skills/scoped-change ~/.claude/skills/scoped-change # Claude Code
cp -R /tmp/scarletkc__agents/skills/scoped-change ~/.agents/skills/scoped-change # Codex, Cursor, Gemini CLI, Copilot, OpenCode