What is guard?
guard is a Claude Code mod by kju4q that blocks .env access and destructive shell commands, with a red line saying why. It is listed under Security and has 1 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | kju4q |
| Repository | kju4q/guard |
| Popularity | 1 GitHub stars |
| Category | Security |
| Security | Low risk (92/100) |
| Rank | #1,914 of 5,272 Claude Code mods; #229 in Security |
| Last commit | 2026-10-07 |
| Hooks | 3 events |
| Sees | every tool call |
| Draws on | ToolResult |
Is guard safe to install?
guard scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 6 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 |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Validator reported problems | Note |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.state.get | |
$.state.set | |
$.ui.log | draws interface |
$.ui.resolve | draws interface |
How do I install 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/kju4q/guard claude plugin validate ./guard/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add kju4q/guard && claude plugin install guard@guard
Or ask Claude to set it up
Paste this into Claude Code and it installs guard for you:
Install the "guard" Claude Code mod from https://github.com/kju4q/guard. Run claude plugin validate on it first and show me what it can access before you enable it.