What is claude-jev?
claude-jev is a Claude Code mod by 0x7067 that hands the small judgments in a session to TypeSafe's Jev, a System One model that returns typed answers instead of generating text: what kind of request each prompt is, which model tier a. It is listed under Context & memory and has 25 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | 0x7067 |
| Repository | 0x7067/claude-jev |
| Popularity | 25 GitHub stars |
| Category | Context & memory |
| Security | High risk (41/100) |
| Rank | #274 of 5,272 Claude Code mods; #28 in Context & memory |
| License | MIT |
| Last commit | 2026-10-17 |
| Stars this week | +2 |
| Hooks | 6 events |
| Sees | compaction |
| Draws on | Pane |
Is claude-jev safe to install?
claude-jev scores 41/100 on the MCPMods security check: High risk. Things to review: starts processes outside the sandbox; writes files or config; validator reported problems. It passed 5 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 files or config | Review |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Validator reported problems | Flag |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.sleep | |
$.command.register | |
$.config.list | |
$.config.set | changes config |
$.process.run | runs processes |
$.session.cwd | |
$.session.id | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.close | draws interface |
$.ui.focus | draws interface |
$.ui.invalidate | draws interface |
$.ui.log | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
$.ui.toast | draws interface |
How do I install claude-jev?
- 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/0x7067/claude-jev claude plugin validate ./claude-jev/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
git clone https://github.com/0x7067/claude-jev && claude --plugin-dir ./claude-jev/.
Or ask Claude to set it up
Paste this into Claude Code and it installs claude-jev for you:
Install the "claude-jev" Claude Code mod from https://github.com/0x7067/claude-jev. Run claude plugin validate on it first and show me what it can access before you enable it.