dangerous-command-blocker

Advanced protection against dangerous shell commands with multi-level security. Blocks catastrophic operations (rm -rf /, dd, mkfs), protects critical paths (.claude/, .git/, node_modules/), and warns about suspicious patterns. Features:…

Automations
Security
547

What it does and how to use it

A hook that automates security actions at key moments (before/after a tool runs, on save, etc.), without you having to think about it.

Install the hook (command above).
It runs automatically on the defined events.
Adjust the rules in the settings file if you want to fine-tune it.

Install (Claude Code)

mkdir -p .claude/hooks && curl -fsSL https://doutorai.pt/data/lib/hooks__dangerous-command-blocker-2.md -o .claude/hooks/dangerous-command-blocker-2.json

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

{
  "description": "Advanced protection against dangerous shell commands with multi-level security. Blocks catastrophic operations (rm -rf /, dd, mkfs), protects critical paths (.claude/, .git/, node_modules/), and warns about suspicious patterns. Features: catastrophic command blocking, critical path protection, smart pattern detection, and detailed safety messages.",
  "supportingFiles": [
    {
      "source": "dangerous-command-blocker.py",
      "destination": ".claude/hooks/dangerous-command-blocker.py",
      "executable": true
    }
  ],
  "hooks": {
    "PreToolUse": [
      {
       

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