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Simon-YHKim
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guard

Combines destructive command warnings with directory-scoped edit restrictions for maximum safety.

Updated Apr 5, 2026
Search Tags:#hooks#bash#safety#guardrails#destructive commands#edit restrictions#production debugging
One-click install
npx skills add https://github.com/Simon-YHKim/eject-button --skill guard-simon-yhkim
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: guard
Source: https://github.com/Simon-YHKim/eject-button/tree/main/.claude/skills/guard
Command: npx skills add https://github.com/Simon-YHKim/eject-button --skill guard-simon-yhkim

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? When working on production systems or debugging live environments, a single destructive command (rm -rf, DROP TABLE, force-push) or an accidental edit outside the intended directory can cause serious damage. Guard mode activates two layers of protection at once so risky operations are caught before they execute. ## Core Features & Use Cases - Destructive Command Warnings: Intercepts dangerous Bash commands like rm -rf, DROP TABLE, and force-push, warning you before execution with the option to override. - Directory-Scoped Edit Lock: Blocks Edit and Write operations on any file outside a directory you specify, enforced via PreToolUse hooks. - Combined Activation: Merges the /careful and /freeze skills into a single command for full safety coverage. - Use Case: You are hotfixing a bug in a live repository. Activate guard mode, restrict edits to the src/ directory, and any attempt to modify config files elsewhere or run a destructive cleanup command will be flagged or blocked. ## Quick Start Ask the AI to activate guard mode and restrict edits to your working directory, for example: turn on guard mode and lock edits to the src folder.

Frequently Asked Questions about guard

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I block edits outside a specific directory in Claude Code?▼

Activate guard mode and provide a directory path when prompted. The skill resolves it to an absolute path, saves it to a freeze state file, and PreToolUse hooks then block any Edit or Write operation targeting files outside that boundary.

How do I get warnings before running destructive commands like rm -rf?▼

Guard mode registers a PreToolUse hook on Bash that checks every command against destructive patterns such as rm -rf, DROP TABLE, and force-push. Matching commands trigger a warning before execution, and you can choose to override.

Does guard mode work without the careful and freeze skills installed?▼

No. Guard mode references hook scripts from the sibling careful and freeze skill directories via check-careful.sh and check-freeze.sh. Both must be installed, which the gstack setup script handles automatically.

How do I turn off the edit boundary after activating guard mode?▼

Run the /unfreeze command to remove the directory edit restriction. To deactivate all protections entirely, end the current session, since the hooks are session-scoped.

Can I override a destructive command warning in guard mode?▼

Yes. Destructive command checks produce warnings rather than hard blocks, so you can confirm and proceed. The edit boundary, by contrast, is a hard block on files outside the frozen directory.

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