What is jev-compact?
jev-compact is a Claude Code mod by HAR5HA-7663 that context compaction that prunes instead of summarising: rules drop exploration output and hook noise locally, Jev ranks the rest against a budget, a note says what was removed, and removed. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | HAR5HA-7663 |
| Repository | HAR5HA-7663/jev-compact |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | Review before installing (60/100) |
| Rank | #3,328 of 5,272 Claude Code mods; #612 in Cost & usage |
| Last commit | 2026-09-24 |
| Hooks | 1 events |
| Sees | compaction |
| Draws on | nothing |
Is jev-compact safe to install?
jev-compact scores 60/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; writes files or config; reads environment variables. 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 files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| No license detected | Note |
API calls in its code
| Call | What it means |
|---|---|
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.fs.write | writes files |
$.http.fetch | network requests |
$.session.usage | |
$.ui.log | draws interface |
$.ui.toast | draws interface |
How do I install jev-compact?
- 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/HAR5HA-7663/jev-compact claude plugin validate ./jev-compact/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add HAR5HA-7663/jev-compact && claude plugin install jev-compact@jev-compact
Or ask Claude to set it up
Paste this into Claude Code and it installs jev-compact for you:
Install the "jev-compact" Claude Code mod from https://github.com/HAR5HA-7663/jev-compact. Run claude plugin validate on it first and show me what it can access before you enable it.
More from HAR5HA-7663/jev-compact
This repository has 2 Claude Code mods on MCPMods.
- jev-compact-trigger: Companion to jev-compact: watches context use after every turn and starts a compaction at the configured percentage. Sep (Review before installing)