What is jev-guard?
jev-guard is a Claude Code mod by muratcakmak that probability-scored guardrails for Claude Code: deny rule-breaking edits and unasked-for deploys, route your own docs into each prompt, and check the final answer against the turn's own. It is listed under Security and has 7 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | muratcakmak |
| Repository | muratcakmak/jev-guard |
| Popularity | 7 GitHub stars |
| Category | Security |
| Security | Review before installing (60/100) |
| Rank | #599 of 5,272 Claude Code mods; #77 in Security |
| License | MIT |
| Last commit | 2026-09-22 |
| Hooks | 4 events |
| Sees | Agent calls, Edit|Write|Bash calls, Skill calls, every prompt |
| Draws on | nothing |
Is jev-guard safe to install?
jev-guard scores 60/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; reads environment variables; watches every prompt or event. It passed 4 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 |
|---|---|
| Sends data over the network | Review |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Drives Claude (model calls, prompts) | Note |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.env.get | reads env vars |
$.fs.read | reads files |
$.http.fetch | network requests |
$.prompt.submit | drives Claude |
$.session.cwd | |
$.session.messages | reads the transcript |
$.ui.log | draws interface |
$.ui.toast | draws interface |
How do I install jev-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/muratcakmak/jev-guard claude plugin validate ./jev-guard/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/muratcakmak/jev-guard && claude --plugin-dir ./jev-guard/.
Or ask Claude to set it up
Paste this into Claude Code and it installs jev-guard for you:
Install the "jev-guard" Claude Code mod from https://github.com/muratcakmak/jev-guard. Run claude plugin validate on it first and show me what it can access before you enable it.