What is jev-auto-compact?
jev-auto-compact is a Claude Code mod by notque that jev-powered verbatim compaction: once context reaches 60%, prunes stale tool calls with zero generation. Skips (never falls back to the LLM summarizer) when nothing is prunable; records. It is listed under Context & memory and has 442 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | notque |
| Repository | notque/vexjoy-agent |
| Popularity | 442 GitHub stars |
| Category | Context & memory |
| Security | Review before installing (76/100) |
| Rank | #56 of 5,272 Claude Code mods; #8 in Context & memory |
| License | MIT |
| Last commit | 2026-10-17 |
| Stars this week | +1 |
| Hooks | 2 events |
| Sees | compaction |
| Draws on | nothing |
Is jev-auto-compact safe to install?
jev-auto-compact scores 76/100 on the MCPMods security check: Review before installing. Things to review: sends data over the network; 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 |
|---|---|
| Sends data over the network | Review |
| 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 |
|---|---|
$.env.get | reads env vars |
$.http.fetch | network requests |
$.session.compact | drives Claude |
$.session.id | |
$.session.messages | reads the transcript |
$.session.usage | |
$.settings.read | reads settings |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.log | draws interface |
How do I install jev-auto-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/notque/vexjoy-agent claude plugin validate ./vexjoy-agent/plugins/jev-auto-compact
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add notque/vexjoy-agent && claude plugin install jev-auto-compact@jev-auto-compact
Or ask Claude to set it up
Paste this into Claude Code and it installs jev-auto-compact for you:
Install the "jev-auto-compact" Claude Code mod from https://github.com/notque/vexjoy-agent/tree/main/plugins/jev-auto-compact. Run claude plugin validate on it first and show me what it can access before you enable it.