careful

Other Community v0.1.0

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Author updated Aug 24, 2026, 11:55 PM
Author repo gstack

Interpretation is structured for decision-making; original keeps the upstream SKILL.md unchanged.

Decide Fit First

Core job: Safety guardrails for destructive commands. (gstack) Use when touching prod, debugging live systems,. <!-- AUTO-GENERATED from S…
Best fit: Use it when the task has reusable inputs, steps, and validation criteria rather than a one-off answer.
Avoid forcing it: If the source lacks commands, platform support, or external-service evidence, keep those fields unknown instead of guessing.

Design Intent

Structure: The skill is organized around “When to invoke this skill”, “What's protected”, “Safe exceptions”, “How it works”, showing how the author expects the agent to judge fit, collect context, and produce verifiable output.
Trigger evidence: Prioritize the author’s wording around when to use it, what context to collect, and what output shape to produce.
Evidence boundary: Author text states facts, repository files prove commands and paths, and Fluxly only adds fit, limits, and usage judgment.

How To Use It

Inputs: Provide target material, scope, expected result, forbidden changes, and validation method.
Invocation: Name careful directly; if the source includes slash commands, start with the command and then add task context.
Validation: Start small and check whether the result follows “When to invoke this skill / What's protected / Safe exceptions” before expanding.

Boundaries And Review

Dependencies: It usually needs no extra API key, so start with a small validation task.
Permissions: Declared permissions include read / write; ask the agent to state file, command, and rollback boundaries before acting.
Quality bar: A useful result names the deliverable, evidence, and next action. Generic prose means the task needs tighter context.

When to invoke this skill

Warns before rm -rf, DROP TABLE, force-push, git reset --hard, kubectl delete, and similar destructive operations. User can override each warning. Use when touching prod, debugging live systems, or working in a shared environment. Use when asked to "be careful", "safety mode", "prod mode", or "careful mode".

/careful — Destructive Command Guardrails

Safety mode is now active. Every bash command will be checked for destructive patterns before running. If a destructive command is detected, you'll be warned and can choose to proceed or cancel.

mkdir -p ~/.gstack/analytics
echo '{"skill":"careful","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

What's protected

Pattern	Example	Risk
`rm -rf` / `rm -r` / `rm --recursive`	`rm -rf /var/data`	Recursive delete
`DROP TABLE` / `DROP DATABASE`	`DROP TABLE users;`	Data loss
`TRUNCATE`	`TRUNCATE orders;`	Data loss
`git push --force` / `-f`	`git push -f origin main`	History rewrite
`git reset --hard`	`git reset --hard HEAD~3`	Uncommitted work loss
`git checkout .` / `git restore .`	`git checkout .`	Uncommitted work loss
`kubectl delete`	`kubectl delete pod`	Production impact
`docker rm -f` / `docker system prune`	`docker system prune -a`	Container/image loss

Safe exceptions

These patterns are allowed without warning:

rm -rf node_modules / .next / dist / __pycache__ / .cache / build / .turbo / coverage

How it works

The hook reads the command from the tool input JSON, checks it against the patterns above, and returns a hookSpecificOutput payload with permissionDecision: "ask" and a warning reason if a match is found (the decision must be nested under hookSpecificOutput — Claude Code ignores a top-level permissionDecision). You can always override a MEDIUM warning and proceed.

HIGH tier (hard deny)

Two catastrophic shapes are denied, not asked: rm -r/-R of exactly /, ~, or $HOME, and force-push to the repo's default branch. SIMPLE commands only (no ;, &&, ||, |, newline) — compound shapes fall through to the MEDIUM ask; --force-with-lease is never HIGH. A best-effort advisory hard-stop, not a policy boundary: the escape hatch is ending the opt-in, session-scoped /careful session.

Project patterns (additive only)

Add warn rules — one POSIX ERE per line, # comments OK — in ~/.gstack/careful-patterns.txt (global) or ~/.gstack/projects/<slug>/careful-patterns.txt (per-project). Consulted after the built-in families, so config can only ADD rules, never suppress a baseline warning. Invalid regex lines are skipped.

To deactivate, end the conversation or start a new one. Hooks are session-scoped.

Fluxly profile Author and license come from source; runtime, permissions, and network are Fluxly detections or estimates

Fluxly category: Other
Author-declared agents: No explicit declaration found; this is not inferred or tested compatibility
Static check: 87 / 100 · heuristic scan, not runtime safety proof
Author / version / license: @garrytan · v0.1.0 · no license declared
Fluxly token estimate: Lean
Fluxly setup estimate: Manual integration
External API key: No requirement detected
Detected OS requirements: Docker
Runtime requirements: Bun · Docker
Detected file/system behavior: Read-only
Write / modify
Detected network behavior: Local-only
Install commands: None (reference only)

Profile is derived at build time from SKILL.md and install vectors. Subject to drift from author intent.

Heads up: 未限定 allowed-tools，默认拥有全部工具权限。; 检出高风险片段：rm_rf_root

Output preview careful.preview

The current SKILL.md does not define a fixed output example.

SKILL.md SKILL.md

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


## When to invoke this skill

Warns before rm -rf, DROP TABLE,
force-push, git reset --hard, kubectl delete, and similar destructive operations.
User can override each warning. Use when touching prod, debugging live systems,
or working in a shared environment. Use when asked to "be careful", "safety mode",
"prod mode", or "careful mode".

# /careful — Destructive Command Guardrails

Safety mode is now **active**. Every bash command will be checked for destructive
patterns before running. If a destructive command is detected, you'll be warned
and can choose to proceed or cancel.

```bash
mkdir -p ~/.gstack/analytics
echo '{"skill":"careful","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
```

## What's protected

| Pattern | Example | Risk |
|---------|---------|------|
| `rm -rf` / `rm -r` / `rm --recursive` | `rm -rf /var/data` | Recursive delete |
| `DROP TABLE` / `DROP DATABASE` | `DROP TABLE users;` | Data loss |
| `TRUNCATE` | `TRUNCATE orders;` | Data loss |
| `git push --force` / `-f` | `git push -f origin main` | History rewrite |
| `git reset --hard` | `git reset --hard HEAD~3` | Uncommitted work loss |
| `git checkout .` / `git restore .` | `git checkout .` | Uncommitted work loss |
| `kubectl delete` | `kubectl delete pod` | Production impact |
| `docker rm -f` / `docker system prune` | `docker system prune -a` | Container/image loss |

## Safe exceptions

These patterns are allowed without warning:

…

Evidence boundary and execution chain

Author text anchors workflow facts; Fluxly only indexes current sections, terms, files, and commands.

sections -> When to invoke this skill → What's protected → Safe exceptions → How it works → HIGH tier (hard deny) → Project patterns (additive only)
terms    -> active · denied · default branch · Warns before rm -rf, DROP TABLE, force-push, git reset --hard, kubectl delete, and similar destructive operations. · Safety mode is now active. · Two catastrophic shapes are denied, not asked: rm -r/-R of exactly /, ~, or $HOME, and force-push to the repo's default branch. · To deactivate, end the conversation or start a new one.
files/cmd -> rm -rf · rm -r · rm --recursive · rm -rf /var/data · DROP TABLE · DROP DATABASE · DROP TABLE users; · TRUNCATE
body sha256 -> 0da2110532f6