ModsCode / Claude Code Mods / Ranking / jevmate
jevmate
A fast decision layer for coding agents. Jev ranks files, picks the tests a change can break, sorts failures and reviews diffs by risk, so Claude reads only what matters and judges only what Jev is unsure of. Also: long output trimmed, com…
What it does
- Draws a band above the prompt, a pane, toasts
- Watches Bash, Read calls and can refuse them
- Hooks agent.spawn, plugin.register, prompt.submit, session.attach and 6 more
- Keeps its own state between turns
- Starts processes
Good points
- No network calls
- Written in TypeScript
- Has a desktop-specific branch
- Handles errors
Code to start from
A starter ModsCode writes from the drawing it read, and the mod's own lines that draw, where there are any.
Starter (register.tsx)
import type { Register } from 'claude-code'
// Drawn like jevmate by Gaston Gelhorn (pane, band, toast), as ModsCode read it from the mod's code:
// https://modscode.com/claude-mods/mods/gastongelhorn-jevmate/
// Written by ModsCode from that reading, not copied from the mod: use it as you like.
// Each value below stands for one the mod works out at run time; put in your own.
export const register: Register = on => {
// the band above the prompt; what else goes there is drawn under it
on('ui.render', { component: 'AbovePrompt' }, async ($, e, next) => {
const { Box, Text, Button } = $.ui.resolve(e)
const text = '…'
const text2 = '…'
const text3 = '…'
return (
<Box flexDirection="column">
<Box flexDirection="row">
<Text>
<Text>
{text}
</Text>
<Text>
{text2}
</Text>
<Text>
{text3}
</Text>
</Text>
<Button label="details" plain />
<Text dimColor>
{" · "}
</Text>
<Button label="hide" plain dimColor />
</Box>
{await next(e)}
</Box>
)
})
// the pane: open it with $.ui.open({ id: 'my-pane', title: "jev" })
on('ui.render', { component: 'Pane', requestId: 'my-pane' }, async ($, e) => {
const { Box, Text, Button } = $.ui.resolve(e)
const text = '…'
const text2 = '…'
const text3 = '…'
const text4 = '…'
const text5 = '…'
const text6 = '…'
const text7 = '…'
const text8 = '…'
const text9 = '…'
const text10 = '…'
const text11 = '…'
const text12 = '…'
const text13 = '…'
const text14 = '…'
const text15 = '…'
const text16 = '…'
const text17 = '…'
const text18 = '…'
const text19 = '…'
const text20 = '…'
const text21 = '…'
const text22 = '…'
const text23 = '…'
const text24 = '…'
const text25 = '…'
const text26 = '…'
const text27 = '…'
const text28 = '…'
const text29 = '…'
const text30 = '…'
const text31 = '…'
const text32 = '…'
const text33 = '…'
const text34 = '…'
const text35 = '…'
const text36 = '…'
const text37 = '…'
const text38 = '…'
const text39 = '…'
const text40 = '…'
const text41 = '…'
const text42 = '…'
const text43 = '…'
const text44 = '…'
const text45 = '…'
return (
<Box flexDirection="column">
<Text>
<Text>
{text}
</Text>
<Text>
{text2}
</Text>
<Text>
{text3}
</Text>
</Text>
<Text>
{" "}
</Text>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
jev
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text4}
</Text>
<Text>
{text5}
</Text>
<Text>
{text6}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
saved
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text7}
</Text>
<Text>
{text8}
</Text>
<Text>
{text9}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor />
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text10}
</Text>
<Text>
{text11}
</Text>
<Text>
{text12}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
{" reading"}
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text13}
</Text>
<Text>
{text14}
</Text>
<Text>
{text15}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
{" trim"}
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text16}
</Text>
<Text>
{text17}
</Text>
<Text>
{text18}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
{" subagents"}
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text19}
</Text>
<Text>
{text20}
</Text>
<Text>
{text21}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
{" low effort"}
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text22}
</Text>
<Text>
{text23}
</Text>
<Text>
{text24}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
{" compaction"}
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text25}
</Text>
<Text>
{text26}
</Text>
<Text>
{text27}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
5-hour window
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text28}
</Text>
<Text>
{text29}
</Text>
<Text>
{text30}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
safety
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text31}
</Text>
<Text>
{text32}
</Text>
<Text>
{text33}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
context
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text34}
</Text>
<Text>
{text35}
</Text>
<Text>
{text36}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
by command
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text37}
</Text>
<Text>
{text38}
</Text>
<Text>
{text39}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
safety checks
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text40}
</Text>
<Text>
{text41}
</Text>
<Text>
{text42}
</Text>
</Text>
</Box>
</Box>
<Box flexDirection="row">
<Box width={18} flexShrink={0}>
<Text dimColor>
jev's own cost
</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
<Text>
<Text>
{text43}
</Text>
<Text>
{text44}
</Text>
<Text>
{text45}
</Text>
</Text>
</Box>
</Box>
<Text>
{" "}
</Text>
<Box flexDirection="row" columnGap={2}>
<Button label="show the line above the prompt" />
<Button label="refresh" />
<Button label="close" role="dismiss" />
</Box>
<Text>
{" "}
</Text>
<Text dimColor>
jev pays off on reading-heavy work: large searches, logs, test suites, long diffs, many items to sort. This session had…
</Text>
</Box>
)
})
on('session.start', async ($, e, next) => {
await $.ui.toast(`jev: the line above the prompt is back`)
return next(e)
})
}
The mod's own code
Shown under the mod's licence (MIT); its text is below. Keep the notice if you copy these lines.
hooks/jevmate.tsx lines 790–840 · Band
on('ui.render', { component: 'AbovePrompt' }, async ($, e, next) => {
if (cfg.bandMode === 'off' || e.props.hasSurvey) return next(e)
const { Box, Button, Text } = $.ui.resolve(e)
const theirs = await next(e) // what other mods draw here stays, under ours
const j = summary?.jev
if (collapsed) {
const five = summary?.plan?.windows?.five_hour?.kept_free ?? summary?.plan?.windows?.seven_day?.kept_free
const worth = j && !isIdle(j) && savedTotal(j) >= MONEY_FLOOR
const first = j && !isIdle(j) ? caught(j)[0] : undefined
const down = failing(j)
const chip: Piece[] = down
? [{ text: ' ' }, down[0]]
: !j || isIdle(j)
? [{ text: ' ready', dim: true }]
: worth && five !== null && five !== undefined
? [{ text: ` ${points(five)} of ${summary?.plan?.windows?.five_hour?.kept_free !== undefined && summary?.plan?.windows?.five_hour?.kept_free !== null ? '5h' : 'the week'} saved`, color: GOOD }]
: worth
? [{ text: ` ~${money(savedTotal(j))} saved`, color: GOOD }]
: first
? [{ text: ' ' }, ...first]
: [{ text: ` ${k(j.kept_out)} tokens kept out`, dim: true }]
return (
<Box flexDirection="column">
<Box flexDirection="row">
{spans(Text, [{ text: '◆ jev', bold: true, color: ACCENT }, ...chip, { text: ' ' }], 'truncate-end')}
<Button key="show" label="show" plain dimColor onPress={() => setCollapsed($, false)} />
</Box>
{theirs}
</Box>
)
}
// Cells are counted for a monospace grid; the desktop's proportional font fits about a fifth more text in them.
const room = Math.max(24, Math.floor((e.props.bodyColumns - 26) * (e.surface === 'desktop' ? 1.2 : 1)))
const pieces: Piece[] = [{ text: '◆ jev', bold: true, color: ACCENT }, { text: ' ' }]
fit(segments(), room).forEach((seg, i) => {
if (i) pieces.push({ text: ' · ', dim: true })
pieces.push(...seg.pieces)
})
pieces.push({ text: ' ' })
return (
<Box flexDirection="column">
<Box flexDirection="row">
{spans(Text, pieces, 'truncate-end')}
<Button key="details" label="details" plain onPress={() => void openPane($).catch(() => undefined)} />
<Text dimColor> · </Text>
<Button key="hide" label="hide" plain dimColor onPress={() => setCollapsed($, true)} />
</Box>
{theirs}
</Box>
)
})hooks/jevmate.tsx lines 198–206 · Band
function spans(Text: El, pieces: Piece[], wrap?: 'truncate-end') {
return (
<Text {...(wrap ? { wrap } : {})}>
{pieces.map(p => (
<Text {...style(p)}>{p.text}</Text>
))}
</Text>
)
}hooks/jevmate.tsx lines 842–1001 · Pane
on('ui.render', { component: 'Pane', requestId: PANE }, async ($, e) => {
const { Box, Button, Text } = $.ui.resolve(e)
const terminal = e.surface === 'terminal' // bars need a monospace grid; the desktop's font is proportional
const j = summary?.jev
const project = summary?.cwd ? summary.cwd.split('/').filter(Boolean).pop() : ''
const row = (label: string, pieces: Piece[]) => (
<Box flexDirection="row">
<Box width={LABEL} flexShrink={0}>
<Text dimColor>{label}</Text>
</Box>
<Box flexGrow={1} flexShrink={1}>
{spans(Text, pieces)}
</Box>
</Box>
)
const header = spans(Text, [
{ text: '◆ jev', bold: true, color: ACCENT },
{ text: ` · this session${project ? ` · ${project}` : ''}${refreshedAt ? ` · ${refreshedAt}` : ''}`, dim: true },
])
const controls = (
<Box flexDirection="row" columnGap={2}>
<Button key="toggle" label={collapsed ? 'show the line above the prompt' : 'fold the line above the prompt'} onPress={() => setCollapsed($, !collapsed)} />
<Button key="refresh" label="refresh" onPress={() => void refresh($)} />
<Button key="close" label="close" role="dismiss" onPress={() => void $.ui.close({ id: PANE }).catch(() => undefined)} />
</Box>
)
if (isIdle(j) || !j) {
return (
<Box flexDirection="column">
{header}
<Text> </Text>
<Text dimColor>{summary ? 'Nothing went through jev yet this session. `jev sift`, `jev tests` and the hooks show up here.' : 'reading the session…'}</Text>
<Text> </Text>
{controls}
</Box>
)
}
const s = spent()
const total = savedTotal(j)
const share = s ? Math.min(1, total / s.usd) : null
const bar = Math.max(10, Math.min(36, e.props.bodyColumns - LABEL - 8))
const top = (labels: Record<string, number> | undefined, count: number) =>
Object.entries(labels ?? {})
.slice(0, count)
.map(([name, tokens]) => `${name} ${k(tokens)}`)
.join(' · ')
const plan = summary?.plan?.windows
// A plan window: what is used, then what the kept-out text would have taken on top of it (a bar on the terminal).
const windowRow = (kind: string, w: PlanWindow) => {
const used = Math.min(bar, Math.round((w.used / 100) * bar))
const kept = w.kept_free === null ? 0 : Math.min(bar - used, Math.max(w.kept_free > 0 ? 1 : 0, Math.round((w.kept_free / 100) * bar)))
const tone = w.used >= 80 ? { color: BAD } : w.used >= 60 ? { color: WARN } : { color: INFO }
const meter: Piece[] = terminal
? [{ text: '█'.repeat(used), ...tone }, { text: '█'.repeat(kept), color: GOOD }, { text: `${'░'.repeat(bar - used - kept)} `, dim: true }]
: []
return row(w.label || kind, [
...meter,
{ text: `${Math.round(w.used)}% used`, bold: true, ...tone },
w.kept_free === null ? { text: ' · measuring what a dollar of use takes', dim: true } : { text: ` · jev kept ${points(w.kept_free)} free`, color: GOOD },
{ text: `${resets(w.resets_at, kind !== 'five_hour')}${w.as_of ? ` · as of ${w.as_of}` : ''}`, dim: true },
])
}
const sf = caught(j)
const ro = j.routing
const sub = summary?.subagents
const filled = share === null ? 0 : Math.round(share * bar)
const trimOn = cfg.trimMode !== 'off'
const subagentOn = cfg.subagentModel === 'sonnet' || cfg.subagentModel === 'haiku'
const effortOn = cfg.routeMode === 'effort'
const compactOn = cfg.compactMode === 'on' || cfg.compactMode === 'auto'
const co = j.compact
const models = sub ? Object.entries(sub.models).map(([m, count]) => `${count} on ${shortModel(m)}`).join(', ') : ''
const down = failing(j)
return (
<Box flexDirection="column">
{header}
<Text> </Text>
{down && j.api
? row('jev', [
{ text: "can't judge", bold: true, color: BAD },
{
text: ` · ${j.api.reason}${j.api.since ? ` since ${clock(j.api.since)}` : ''} · the hooks let everything through unchecked · jev doctor checks the key and the backend`,
dim: true,
},
])
: null}
{row('saved', [
{ text: `~${money(total)}`, bold: true, color: GOOD },
{ text: plan ? ' at most · a subscription is not billed per token, so this is an API equivalent' : ' at most', dim: true },
...(!plan && share !== null && s ? [{ text: ` · ${pct(share)} of the session's ${s.estimated ? '~' : ''}${money(s.usd)}`, dim: true } as Piece] : []),
])}
{!plan && share !== null && s && terminal
? row('', [{ text: '█'.repeat(filled), color: GOOD }, { text: '░'.repeat(bar - filled), dim: true }])
: null}
{row(' reading', [
{ text: `~${money(j.saved)}`, color: GOOD },
{ text: ` · ${k(j.reads ?? j.kept_out)} tokens judged by jev instead of read · ${money(j.once ?? j.would)} once, ${money(j.reread ?? 0)} re-read until the next compaction`, dim: true },
])}
{row(' trim', [
{ text: trimOn ? 'on' : 'off', bold: true, ...(trimOn ? { color: GOOD } : {}) },
j.trimmed
? { text: ` · ${k(j.trimmed)} tokens of command output kept out in ${plural(j.trim_runs, 'run')}`, dim: true }
: { text: trimOn ? ' · no command output over ~4k tokens yet' : ' · long command output reaches the context whole', dim: true },
])}
{row(' subagents', [
{ text: subagentOn ? `on, ${cfg.subagentModel}` : 'off', bold: true, ...(subagentOn ? { color: GOOD } : {}) },
ro && ro.subagents
? { text: ` · ${plural(ro.subagents, 'subagent')} moved to a cheaper model · ~${money(ro.subagent_saved)} saved, from their own usage`, dim: true }
: sub && sub.count
? sub.could_save >= 0.01
? { text: ` · ${plural(sub.count, 'subagent')} ran (${models}) · ~${money(sub.could_save)} less on Sonnet`, color: WARN }
: { text: ` · ${plural(sub.count, 'subagent')} ran (${models}) · nothing to gain from a cheaper model`, dim: true }
: { text: ' · no subagents this session', dim: true },
])}
{row(' low effort', [
{ text: effortOn ? 'on' : 'off', bold: true, ...(effortOn ? { color: GOOD } : {}) },
{
text:
ro && ro.effort_turns
? ` · ${plural(ro.effort_turns, 'routine turn')}${ro.effort_cache === 'keeps' ? ' · the prompt cache survives it' : ro.effort_cache === 'rewrites' ? ' · it re-wrote the prompt cache, so it stopped' : ''}`
: effortOn
? effortCache === 'rewrites'
? ' · stopped: lowering effort re-writes the prompt cache on this build'
: ' · waits for a routine prompt on a context under 100k tokens to check the cache'
: ' · routine turns run at the session effort',
dim: true,
},
])}
{row(' compaction', [
{ text: compactOn ? cfg.compactMode : 'off', bold: true, ...(compactOn ? { color: GOOD } : {}) },
co && co.runs
? {
text: ` · ${plural(co.runs, 'compaction')} judged · ${plural(co.moved, 'result')} moved to disk, ${n(co.cut)} cut · read again later: ${co.rereads}${co.saved_usd ? ` · ~${money(co.saved_usd)} off the summary` : ''}${autoLine(co.auto)}`,
dim: true,
}
: {
text: compactOn
? cfg.compactMode === 'auto'
? ` · compacts in the background above ${k(autoMin)} tokens of context: after ${Math.round(autoIdleMs / 60_000)} min idle, before the prompt cache expires, or once a prompt has started other work`
: compactCache === 'pays'
? ' · at the next compaction the summarizer reads the conversation with stale results moved out'
: ' · at the next compaction, large results are judged and saved, and what the work needs comes back after the summary'
: ' · Claude Code summarizes on its own',
dim: true,
},
])}
{plan ? Object.entries(plan).map(([kind, w]) => windowRow(kind, w)) : null}
{plan && summary?.plan?.missing?.includes('five_hour')
? row('5-hour window', [{ text: 'no reading yet · Claude Code reports it with its next request', dim: true }])
: null}
{row(
'safety',
sf.length
? [
...sf.flatMap((p, i) => (i ? [{ text: ' · ', dim: true } as Piece, ...p] : p)),
{ text: ` · ${n(j.safety?.checks ?? 0)} checks`, dim: true },
]
: [{ text: `nothing to flag · ${n(j.safety?.checks ?? 0)} checks`, dim: true }],
)}
{ctxPct !== nullLicence text (MIT)
MIT License Copyright (c) 2026 Gaston Gelhorn Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
How to build this: Pane (panel), Deny a tool call
What its code calls
runs programsreads filesenv varstool callsrememberssettings hooksships servers
What its code shows
Read from the source at commit 9362f9956ccd on 2026-10-11. The first group decides whether a mod is listed; the rest is for you to weigh. A later commit is not read until the next crawl.
| Decides the listing: code you can check | |
|---|---|
| Entry read | Every module hooks/hooks.json names was read.hooks/jevmate.tsx |
| Parses | Every file parses as TypeScript or JavaScript.1 files parsed |
| All its code is in the mod | Every import is a file of the mod or the engine's own module; no packages, no require.all its code is in the mod |
| Readable | No minified lines, no eval or new Function, no import of a computed path, no encoded blobs.no minified code, no eval, no encoded blobs |
| Calls in the open | Network and programs are reached as $.http.fetch and $.process.run in place, never passed around.every call outside goes through $ in the open |
| For you to weigh before installing | |
| Where it draws | The terminal, the desktop app, both, or nothing (hooks only: a guard or a prompt rewriter), as its code says. Shown, never a reason to leave a mod out.draws in the terminal and the desktop app, with its own branch for the desktop |
| Install line | Whether its repository's own .claude-plugin/marketplace.json lists it, so it installs from that marketplace with the lines on its page.listed in its repository's .claude-plugin/marketplace.json: installs from there |
| Programs on Windows | Whether every program it starts through $.process exists on Windows (tail, date, open, osascript, /usr/… do not).runs no program a Windows PC lacks |
| Network | Whether every fetch names its https host in the code.no network |
| Programs | Whether every program it starts is named in the code and is not a shell, an interpreter or a network tool.hooks/jevmate.tsx:223 a program named at run time |
| Reads and sends | Whether it both reads something of yours (files, environment variables, the transcript, settings) and reaches outside (the network, an MCP server, another session, telemetry).reads environment variables, files, but reaches nothing outside |
| Keys in the source | Whether the source holds what looks like an API key or a private key.no keys in the source |
| Licence | An open licence (MIT, Apache-2.0, BSD, ISC, Unlicense, 0BSD, CC0) with its text lets ModsCode show its code; otherwise the code is linked.MIT |
| Settings hooks | Hooks declared in hooks/hooks.json or plugin.json beside the module: a command (a shell when it has no args), an HTTP request, an MCP tool or a model prompt at an event. They run outside $.SessionStart: python3 (through a shell); UserPromptSubmit: python3 (through a shell); PreToolUse: python3 (through a shell); PostToolUse: python3 (through a shell); PostToolUse: python3 (through a shell); PostToolUseFailure: python3 (through a shell); Stop: python3 (through a shell); PreCompact: python3 (through a shell) |
| Servers it ships | MCP servers (a program, or a URL; a headersHelper is a shell command; a .mcpb bundle is unpacked at run time), LSP servers, monitors (a shell command for the whole session) and bin/ (on the PATH of the Bash tool).mcp jev: python3; bin/: jev on the Bash tool's PATH |
| Skills, commands, agents | What its Markdown declares beyond text: allowed-tools granted for the turn, hooks added when a skill is invoked, a command run before Claude reads the skill.skill pr: allowed-tools ["Bash(gh *)", "Bash(jev *)", "Agent", "Read"]; skill review: allowed-tools ["Bash(jev *)", "Bash(git diff *)", "Read"]; skill setup: allowed-tools ["Bash(jev *)"]; skill sift: allowed-tools ["Bash(jev *)", "Read"]; skill stats: allowed-tools ["Bash(jev *)"]; skill stats: runs a command before Claude reads it; skill tests: allowed-tools ["Bash(jev *)", "Bash(git diff *)"]; skill triage: allowed-tools ["Bash(jev *)", "Read", "Write", "Agent"] |
| Tools and MCP | Whether every tool it calls through $.tool.call and $.mcp.call is named in the code, and none is a shell (Bash through the tool runs a shell without $.process).calls no tool, MCP server or command |
| Asks of the model | Completions it runs ($.model.complete, fork, classify), subagents it spawns, prompts it submits as you, and the tools, commands and agents it adds.adds command ? |
| Events it hooks | By what a hook there can do: gates (refuse a tool call, a prompt, a setting, another plugin), shapes (what the model reads: the system prompt, tool descriptions, each request), reads (your input, the events of the settings hooks, every event with *), and the rest.gates: command.run, tool.call (Bash, Read), prompt.submit, tool.check (Bash), plugin.register · shapes: turn.step · also: session.start, session.attach, ui.close, ui.render (AbovePrompt, Pane) (+4) · timers: clock.after |
| Reads, by name | The environment variables and files it names, and whether it reads the transcript, settings.json, the prompt box or the mouse selection.env: HOME, PATH, JEV_AUTO_COMPACT_MIN, JEV_AUTO_COMPACT_IDLE; files: a path computed at run time |
| Writes, by name | The files and environment variables it names, and whether it changes settings, the prompt box, the clipboard, the conversation (a row the model reads) or another session.env: JEV_GUARD_MOD |
This is a reading of the code text, not a security review: it does not run the mod, and it cannot see what a program the mod starts does. The check before installing is yours. How mods are chosen
Install it
Check it yourself before you install it. Mods run unsandboxed, with your permissions, and ModsCode does not vouch for what this code does. Read its code (or run claude plugin validate . in its folder), weigh what it reaches, and install the commit you read.
From its marketplace
Its repository is its marketplace. Add that marketplace (in the terminal with these commands, or in the desktop app's plugin settings) and install the mod from it:
/plugin marketplace add GastonGelhorn/jevmate/plugin install jevmate@gastongelhorn/reload-pluginsThis installs the marketplace's latest commit, which may not be the one read here (9362f9956ccd). Compare them before you install. /reload-plugins loads it into a session that is already open.
Try the commit ModsCode read
No marketplace needed. In a terminal, clone the repository, check out the commit read, validate the mod, and load it for one session:
git clone https://github.com/GastonGelhorn/jevmategit -C jevmate checkout 9362f9956ccddd0b75878046ad50cd157e57235eclaude plugin validate jevmateclaude --plugin-dir jevmateThe validate line lists the events the mod hooks and what it asks Claude Code to do, without running it. The last line loads the mod for this session only and writes nothing to your settings. If the author has rewritten history, the commit may no longer exist.
Ask Claude about it
With the ModsCode connector added, Claude can read this mod's code and what it reaches, and build on them. Ask it like this:
Read the ModsCode mod "gastongelhorn-jevmate" with its code and make me one like itSearch them from Claude: the MCP connector
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Badge for your README
If this is your mod, paste this into your README. It links to this page.
[](https://modscode.com/claude-mods/mods/gastongelhorn-jevmate/)