What is shell-guard?
shell-guard is a Claude Code mod by Jvrd97 that blocks shell commands that wipe your home folder, the project, disks, protected branches or databases, and snapshots uncommitted work to a git ref before commands that would destroy it. It is listed under Security and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | Jvrd97 |
| Repository | Jvrd97/claude-shell-guard |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Review before installing (76/100) |
| Rank | #3,663 of 5,272 Claude Code mods; #395 in Security |
| License | MIT |
| Last commit | 2026-10-06 |
| Hooks | 4 events |
| Sees | Bash calls |
| Draws on | nothing |
Is shell-guard safe to install?
shell-guard scores 76/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; reads environment variables. 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 processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| 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 |
|---|---|
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.process.run | runs processes |
$.session.cwd | |
$.session.root | |
$.state.get | |
$.state.set | |
$.ui.toast | draws interface |
How do I install shell-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/Jvrd97/claude-shell-guard claude plugin validate ./claude-shell-guard/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add Jvrd97/claude-shell-guard && claude plugin install shell-guard@shell-guard
Or ask Claude to set it up
Paste this into Claude Code and it installs shell-guard for you:
Install the "shell-guard" Claude Code mod from https://github.com/Jvrd97/claude-shell-guard. Run claude plugin validate on it first and show me what it can access before you enable it.