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SKILL.md

name: guard version: 0.1.0 description: "Full safety mode: destructive command warnings + directory-scoped edits. (gstack)" triggers:

  • full safety mode
  • guard against mistakes
  • maximum safety allowed-tools:
  • Bash
  • Read
  • AskUserQuestion hooks: PreToolUse:
    • matcher: "Bash" hooks:
      • type: command command: "bash $HOME/.claude/skills/gstack/careful/bin/check-careful.sh" statusMessage: "Checking for destructive commands..."
    • matcher: "Edit" hooks:
      • type: command command: "bash $HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh" statusMessage: "Checking freeze boundary..."
    • matcher: "Write" hooks:
      • type: command command: "bash $HOME/.claude/skills/gstack/freeze/bin/check-freeze.sh" statusMessage: "Checking freeze boundary..."

When to invoke this skill

Combines /careful (warns before rm -rf, DROP TABLE, force-push, etc.) with /freeze (blocks edits outside a specified directory). Use for maximum safety when touching prod or debugging live systems. Use when asked to "guard mode", "full safety", "lock it down", or "maximum safety".

/guard — Full Safety Mode

Activates both destructive command warnings and directory-scoped edit restrictions. This is the combination of /careful + /freeze in a single command.

Dependency note: This skill references hook scripts from the sibling /careful and /freeze skill directories. Both must be installed (they are installed together by the gstack setup script).

mkdir -p ~/.gstack/analytics
echo '{"skill":"guard","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}'  >> ~/.gstack/analytics/skill-usage.jsonl 2>/dev/null || true

Setup

Ask the user which directory to restrict edits to. Use AskUserQuestion:

  • Question: "Guard mode: which directory should edits be restricted to? Destructive command warnings are always on. Files outside the chosen path will be blocked from editing."
  • Text input (not multiple choice) — the user types a path.

Once the user provides a directory path:

  1. Resolve it to an absolute path:
FREEZE_DIR=$(cd "<user-provided-path>" 2>/dev/null && pwd)
echo "$FREEZE_DIR"
  1. Ensure trailing slash and save to the freeze state file:
FREEZE_DIR="${FREEZE_DIR%/}/"
eval "$(~/.claude/skills/gstack/bin/gstack-paths)"
STATE_DIR="$GSTACK_STATE_ROOT"
mkdir -p "$STATE_DIR"
echo "$FREEZE_DIR" > "$STATE_DIR/freeze-dir.txt"
echo "Freeze boundary set: $FREEZE_DIR"

Tell the user:

  • "Guard mode active. Two protections are now running:"
  • "1. Destructive command warnings — rm -rf, DROP TABLE, force-push, etc. will warn before executing (you can override)"
  • "2. Edit boundary — file edits restricted to <path>/. Edits outside this directory are blocked."
  • "To remove the edit boundary, run /unfreeze. To deactivate everything, end the session."

What's protected

See /careful for the full list of destructive command patterns and safe exceptions. See /freeze for how edit boundary enforcement works.

Overview

Free skill — guard. Full safety mode: destructive command warnings + directory-scoped edits. (gstack)

What this skill does

"guard" is a skill you can copy, adapt, and run with any modern AI assistant. Full safety mode: destructive command warnings + directory-scoped edits. (gstack) On OpenRuna it sits inside a connected graph of related skills, tools, and datasets, so branching into adjacent resources is one click away. Copy it into your assistant of choice and sharpen the result with a couple of follow-up turns.

Use cases

  • Hand "guard" to a new teammate so their skill output matches your team's quality bar from day one.
  • Use "guard" when you need a repeatable skill for professional work without rewriting instructions every time.
  • Reach for it during planning or review sessions when you want consistent, AI-assisted structure.
  • Combine it with related tools and prompts in the same OpenRuna category to build an end-to-end workflow.

Example output

Running this skill produces output shaped like the source material below:

<!-- AUTO-GENERATED from SKILL.md.tmpl — do not edit directly -->
<!-- Regenerate: bun run gen:skill-docs -->


## When to invoke this skill

Combines /careful (warns before rm -rf, DROP TABLE, force-push, etc.) with
/freeze (blocks edits outside a specified directory). Use for maximum safety
when touching prod or debugging live systems. Use when asked to "guard mode",
"full safety", "lock it down", or "maximum safety".

# /guard — Full Safety Mode

Activates both destructive command warnings and directory-scoped edit restrictions.
This is the combination of `/careful` + `/freeze` in a single …

Results vary by model and temperature; treat the first response as a draft and refine it with follow-up prompts.

Tips by platform

Claude

Claude works best when you paste this skill up front and ask it to outline its plan before writing. Use the artifact panel to refine structured output turn by turn.

ChatGPT

In ChatGPT, start a fresh chat and paste this skill verbatim, then follow up with "apply this to [your context]." Pick a current GPT model for coding or reasoning tasks.

Cursor

Add this skill to your Cursor rules and invoke it from Agent mode for repeatable results. Link back to its OpenRuna page in the rule so the source stays discoverable.

Frequently asked questions

What is "guard"?
It is a skill listed on OpenRuna — Full safety mode: destructive command warnings + directory-scoped edits. (gstack) You can copy and adapt it for ChatGPT, Claude, Cursor, or any other AI assistant.
Is "guard" free to use?
Most OpenRuna resources are open or CC0-licensed. Check the license shown on this page before commercial use; premium collections are clearly marked as such.
How do I get the best results from this skill?
Replace any placeholders, add your project context, and ask the model to confirm its assumptions first. Iterate over 2–3 follow-up turns rather than expecting a perfect first response.
Does "guard" work with both Claude and ChatGPT?
Yes — it is model-agnostic text, so it runs on Claude, ChatGPT, Gemini, and Cursor. The tips on this page cover each of those assistants specifically.
Where can I find resources related to "guard"?
Scroll to the Related resources section on this page, or open the matching category hub on OpenRuna to find connected prompts, tools, agents, and datasets in the same topic area.

Related resources