What is fast-jev-output?
fast-jev-output is a Claude Code mod by jfcarpiopuntocom that trim long Bash output with Jev before the model sees it (Claude Code plugin). It is listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | jfcarpiopuntocom |
| Repository | jfcarpiopuntocom/friendly-123 |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | High risk (56/100) |
| Rank | #3,553 of 5,272 Claude Code mods; #1,482 in Interface |
| Last commit | 2026-10-17 |
| Hooks | 1 events |
| Sees | Bash calls |
| Draws on | nothing |
Is fast-jev-output safe to install?
fast-jev-output scores 56/100 on the MCPMods security check: High risk. Things to review: sends data over the network; writes files or config; reads environment variables. It passed 3 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 |
| Validator reported problems | Note |
| 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.messages | reads the transcript |
$.settings.read | reads settings |
$.ui.log | draws interface |
$.ui.toast | draws interface |
How do I install fast-jev-output?
- 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/jfcarpiopuntocom/friendly-123 claude plugin validate ./friendly-123/.claude/marketplaces/jev-pruner-jfc
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add jfcarpiopuntocom/friendly-123 && claude plugin install fast-jev-output@jev-pruner-jfc
Or ask Claude to set it up
Paste this into Claude Code and it installs fast-jev-output for you:
Install the "fast-jev-output" Claude Code mod from https://github.com/jfcarpiopuntocom/friendly-123/tree/master/.claude/marketplaces/jev-pruner-jfc. Run claude plugin validate on it first and show me what it can access before you enable it.
More from jfcarpiopuntocom/friendly-123
This repository has 2 Claude Code mods on MCPMods.
- fast-jev-compaction: Verbatim Jev-guided compaction for Claude Code sessions. (Review before installing)