mx

Defined in hooks/hooks.json

{
  "PreToolUse": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "bash ${CLAUDE_PLUGIN_ROOT}/hooks/ssh-docker-guard.sh",
          "timeout": 5
        }
      ],
      "matcher": "Bash"
    }
  ]
}

"Runs guard.sh before Read, Glob, Grep, or Bash tools on PreToolUse to potentially block unsafe file reads, searches, or command execution. Executes bash."