modscode / Gallery / usage-footer
usage-footer
Footer beside the model name: prompt cache countdown and the API-equivalent cost of your 5-hour and weekly limit windows, colored by whether the limit will last. Click for a per-model token and cost breakdown.
Code you can checkTerminal + desktopBandBoxButtonText
What it does
- Draws a band above the prompt
- Adds /usage-footer
- Hooks session.measure, session.start, turn.complete, turn.start
- Starts processes
Good points
- No network calls
- Written in TypeScript
- Has a desktop-specific branch
- Handles errors
Code to start from
Two kinds: a starter modscode writes from the design above, and the lines of the mod's own code that draw it.
Starter (register.tsx)
register.tsx
import type { Register } from 'claude-code'
// Drawn like usage-footer by Ömer Faruk Altınova (band), as modscode read it from the mod's code:
// https://modscode.com/gallery/omeraltinova-usage-footer/
// 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 title = '…'
const startLabel = '…'
const endLabel = '…'
const hitRate = '…'
const forecast = '…'
const modelName = '…'
const modelName2 = '…'
const modelName3 = '…'
const title2 = '…'
const forecast2 = '…'
const modelName4 = '…'
const modelName5 = '…'
const modelName6 = '…'
const title3 = '…'
const forecast3 = '…'
const modelName7 = '…'
const modelName8 = '…'
const modelName9 = '…'
const failure = '…'
return (
<Box flexDirection="column" gap={1} paddingX={1}>
<Box flexDirection="row" justifyContent="space-between">
<Text>
<Text bold>
API equivalent
</Text>
<Text dimColor>
{" "}
{"cache "}
—
</Text>
</Text>
<Button plain dimColor label="×" />
</Box>
<Box flexDirection="row" gap={4}>
<Box flexDirection="column">
<Box flexDirection="row" justifyContent="space-between">
<Text>
<Text bold>
{title}
</Text>
<Text dimColor>
{` ${startLabel} – ${endLabel} (estimated)`}
</Text>
</Text>
<Text>
<Text dimColor>
{`cache hit ${hitRate} `}
</Text>
<Text bold>
0
</Text>
</Text>
</Box>
<Text>
{forecast}
</Text>
<Box flexDirection="column" marginTop={0}>
<Box flexDirection="row">
<Box width={14}>
<Text dimColor>
Model
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName2}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName3}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
</Box>
</Box>
<Box flexDirection="column">
<Box flexDirection="row" justifyContent="space-between">
<Text>
<Text bold>
{title2}
</Text>
<Text dimColor>
{` ${startLabel} – ${endLabel} (estimated)`}
</Text>
</Text>
<Text>
<Text dimColor>
{`cache hit ${hitRate} `}
</Text>
<Text bold>
0
</Text>
</Text>
</Box>
<Text>
{forecast2}
</Text>
<Box flexDirection="column" marginTop={0}>
<Box flexDirection="row">
<Box width={14}>
<Text dimColor>
Model
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName4}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName5}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName6}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
</Box>
</Box>
<Box flexDirection="column">
<Box flexDirection="row" justifyContent="space-between">
<Text>
<Text bold>
{title3}
</Text>
<Text dimColor>
{` ${startLabel} – ${endLabel} (estimated)`}
</Text>
</Text>
<Text>
<Text dimColor>
{`cache hit ${hitRate} `}
</Text>
<Text bold>
0
</Text>
</Text>
</Box>
<Text>
{forecast3}
</Text>
<Box flexDirection="column" marginTop={0}>
<Box flexDirection="row">
<Box width={14}>
<Text dimColor>
Model
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName7}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName8}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text>
●
</Text>
<Text>
{modelName9}
</Text>
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
<Box justifyContent="flex-end">
<Text />
</Box>
</Box>
</Box>
</Box>
</Box>
<Text color="#e05050">
{"Scan error: "}
{failure}
</Text>
<Text dimColor>
At API list prices · all sessions and subagents included
</Text>
{await next(e)}
</Box>
)
})
}
The mod's own code
Shown under the mod's licence (MIT); its text is below. Keep the notice if you copy these lines.
plugins/usage-footer/hooks/register.tsx lines 327–473 · Band
on('ui.render', { component: 'AbovePrompt' }, async ($, e, next) => {
if (e.props.hasSurvey || !(await read($, isOpen))) return next(e)
const { Box, Text, Button } = $.ui.resolve(e)
const data = await read($, scan)
const failure = await read($, error)
const list = await read($, limits)
const now = await $.clock.now()
const leftMs = (await read($, isWorking)) ? (data?.cache?.ttlMin ?? 60) * MINUTE : cacheLeftMs(data, await read($, lastCall), now)
const full = Math.max(32, e.props.bodyColumns - 2)
const width = Math.min(full, 100)
// The terminal band has few rows: no blank line above each table there.
const isTerminal = e.surface === 'terminal'
const row = (left: unknown, right: unknown, rowWidth = width) => (
<Box flexDirection="row" justifyContent="space-between" width={rowWidth}>
{left}
{right}
</Box>
)
// Columns: the model, then right-aligned figures.
const COLUMNS: Array<[string, number]> = [
['Reqs', 6],
['Input', 8],
['Cache read', 12],
['Cache write', 13],
['Output', 9],
['Hit', 8],
['Cost', 10],
]
const cells = (values: string[], isHeader: boolean) =>
COLUMNS.map(([, size], at) => (
<Box width={size} justifyContent="flex-end">
<Text dimColor={isHeader} bold={!isHeader && at === COLUMNS.length - 1}>
{values[at] ?? ''}
</Text>
</Box>
))
const section = (title: string, period: UsagePeriod | null, color?: string, note?: string, sectionWidth = width) => {
const models = period?.models ?? []
const total = models.reduce(
(sum, one) => ({ input: sum.input + one.input, cacheRead: sum.cacheRead + one.cacheRead, cacheWrite: sum.cacheWrite + one.cacheWrite }),
{ input: 0, cacheRead: 0, cacheWrite: 0 },
)
return (
<Box flexDirection="column" width={sectionWidth}>
{row(
<Text>
<Text bold>{title}</Text>
<Text dimColor>
{period ? ` ${period.startLabel} – ${period.endLabel}${period.isGuessed ? ' (estimated)' : ''}` : ''}
</Text>
</Text>,
<Text>
<Text dimColor>{models.length > 0 ? `cache hit ${hitRate(total)} ` : ''}</Text>
<Text bold color={color}>
{usd(period?.usd ?? 0)}
</Text>
</Text>,
sectionWidth,
)}
{note && <Text color={color}>{note}</Text>}
{models.length === 0 ? (
<Text dimColor>No requests</Text>
) : (
<Box flexDirection="column" marginTop={isTerminal ? 0 : 1}>
<Box flexDirection="row">
<Box width={14}>
<Text dimColor>Model</Text>
</Box>
{cells(COLUMNS.map(([label]) => label), true)}
</Box>
{models.map(model => (
<Box flexDirection="row">
<Box width={14} flexDirection="row" gap={1}>
<Text color={modelColor(model.model)}>●</Text>
<Text>{modelName(model.model)}</Text>
</Box>
{cells(
[
String(model.reqs),
tokens(model.input),
tokens(model.cacheRead),
tokens(model.cacheWrite),
tokens(model.output),
hitRate(model),
model.isPriced ? usd(model.usd) : 'n/a',
],
false,
)}
</Box>
))}
</Box>
)}
</Box>
)
}
const five = list.find(limit => limit.kind === 'five_hour')
const tz = data?.tzOffsetMin ?? 0
const windows: Array<[string, UsagePeriod | null, UsageLimit | undefined, number]> = [
['5-hour window', data?.window ?? null, five, 5 * HOUR],
['Weekly window', data?.week ?? null, weekLimit(list), 7 * DAY],
]
if (fableLimit(list) || (data?.fableWeek?.usd ?? 0) > 0) {
windows.push(['Weekly · Fable', data?.fableWeek ?? null, fableLimit(list), 7 * DAY])
}
// A wide terminal lays the windows side by side; each needs the table's 80 columns.
const GAP = 4
const sideWidth = Math.floor((full - GAP * (windows.length - 1)) / windows.length)
const isSideBySide = isTerminal && sideWidth >= 82
const sections = windows.map(([title, period, limit, lengthMs]) =>
section(title, period, paceColor(limit, lengthMs, now), forecast(limit, lengthMs, now, tz), isSideBySide ? sideWidth : width),
)
return (
<Box flexDirection="column" gap={1} paddingX={1}>
{row(
<Text>
<Text bold>API equivalent</Text>
<Text dimColor>
{' '}cache {leftMs === undefined ? '—' : leftMs > 0 ? `${Math.ceil(leftMs / MINUTE)} min left` : 'expired'}
</Text>
</Text>,
<Button
key="close"
plain
dimColor
// ✕ is ambiguous-width: terminals draw it two cells wide and the hit area covers one.
label={isTerminal ? '×' : '✕'}
onPress={() => void update($, isOpen, () => false)}
/>,
// Keep clear of the band's own [-] mark in the top right corner of a wide terminal.
isSideBySide ? full - 6 : width,
)}
{isSideBySide ? (
<Box flexDirection="row" gap={GAP}>
{sections}
</Box>
) : (
sections
)}
{failure && <Text color={DANGER}>Scan error: {failure}</Text>}
<Text dimColor>At API list prices · all sessions and subagents included</Text>
</Box>
)
})Licence text (MIT)
MIT License Copyright (c) 2026 Ömer Faruk Altınova 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.
What its code calls
runs programs
The design, read from code
API equivalent cache —×
Fix login build – build (estimated)cache hit 42% 0
Weekly windowModel
●Opus
●Opus
●Opus
Fix login build – build (estimated)cache hit 42% 0
Weekly windowModel
●Opus
●Opus
●Opus
Fix login build – build (estimated)cache hit 42% 0
Weekly windowModel
●Opus
●Opus
●Opus
Ask Claude…
Drawn from the mod's source at the commit read, not from a run: a list is drawn three times, a condition takes its first branch that draws in the desktop app, and a value only the run time knows is shown as a made-up sample (dotted underline) or left out. Colours and type are this site's.
What its code shows
Read from the source at commit 256964f1f26a on 2026-10-06. 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.plugins/usage-footer/hooks/register.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, the same in both |
| 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.plugins/usage-footer/hooks/register.tsx:167 a program named at run time |
| Reads and sends | Whether it both reads files or environment variables and reaches the network.reaches no network |
| 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 |
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 the code below (or run claude plugin validate . in its folder), weigh what it reaches, and install the commit you read.
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 omeraltinova/claude-usage-footer/plugin install usage-footer@claude-usage-footerThis installs the marketplace's latest commit, which may not be the one read here (256964f1f26a). Compare them before you install.
Ask Claude about it
With the modscode connector added, Claude can read this design, what its code reaches and its code, and build on them. Ask it like this:
Read the modscode design "omeraltinova-usage-footer" with its code and make me a pane like itSearch them from Claude: the MCP connector
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What it does
- Draws a band above the prompt
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- Watches Agent calls and can refuse them
- Hooks agent.spawn, classic.SessionStart, prompt.submit, session.compact and 3 more
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