What is cmd-guard?
cmd-guard is a Claude Code mod by redjackfred that blocks destructive shell commands (rm -rf /, force push, DROP TABLE...). It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | redjackfred |
| Repository | redjackfred/claude-code-mods |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (88/100) |
| Rank | #4,382 of 5,272 Claude Code mods; #459 in Security |
| License | MIT |
| Last commit | 2026-10-10 |
| Hooks | 4 events |
| Sees | Bash calls, every prompt |
| Draws on | nothing |
Is cmd-guard safe to install?
cmd-guard scores 88/100 on the MCPMods security check: Low risk. Things to review: watches every prompt or event. It passed 7 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.command.register | |
$.state.get | |
$.state.set | |
$.ui.ask | draws interface |
$.ui.status | draws interface |
$.ui.toast | draws interface |
How do I install cmd-guard?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/redjackfred/claude-code-mods claude plugin validate ./claude-code-mods/cmd-guard
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add redjackfred/claude-code-mods && claude plugin install cmd-guard@claude-code-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs cmd-guard for you:
Install the "cmd-guard" Claude Code mod from https://github.com/redjackfred/claude-code-mods/tree/main/cmd-guard. Run claude plugin validate on it first and show me what it can access before you enable it.
More from redjackfred/claude-code-mods
This repository has 4 Claude Code mods on MCPMods.
- agent-progress: Live progress bars for running subagents above the prompt (Low risk)
- model-router: Runs Explore subagents on haiku and general-purpose ones on sonnet unless a model was asked for (Review before installing)
- pomodoro: Pixel-art pomodoro timer in a side pane: /focus [minutes] (Low risk)