What is jev-rules?
jev-rules is a Claude Code mod by EliaAlberti that jev picks which of your rules apply to each prompt, so Claude only sees the ones that matter. It is listed under Interface and has 66 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | EliaAlberti |
| Repository | EliaAlberti/jev-rules |
| Popularity | 66 GitHub stars |
| Category | Interface |
| Security | Low risk (88/100) |
| Rank | #229 of 5,272 Claude Code mods; #93 in Interface |
| License | MIT |
| Last commit | 2026-09-27 |
| Hooks | 4 events |
| Sees | only the events it hooks |
| Draws on | AbovePrompt, Pane |
Is jev-rules safe to install?
jev-rules scores 88/100 on the MCPMods security check: Low risk. Things to review: reads environment variables. 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 |
| 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.every | |
$.clock.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.session.id | |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
How do I install jev-rules?
- 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/EliaAlberti/jev-rules claude plugin validate ./jev-rules/plugins/jev-rules
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add EliaAlberti/jev-rules && claude plugin install jev-rules@jev-rules
Or ask Claude to set it up
Paste this into Claude Code and it installs jev-rules for you:
Install the "jev-rules" Claude Code mod from https://github.com/EliaAlberti/jev-rules/tree/main/plugins/jev-rules. Run claude plugin validate on it first and show me what it can access before you enable it.