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Making AIPersonal<br>Crux is an AI personal assistant that works across your desktop, files, apps, and workflow.<br>Your chats, files, and context stay local to you, so your data stays yours.<br>Download for Mac (beta)Download for Windows (beta)Download
New ChatMonthly spending reportLearn Spanish · 30-day plan<br>Crux
New chatSearch chats<br>Your chats<br>Monthly spending reportFix checkout page bugSales dashboard from CSVLearn Spanish · 30-day planSystem design interview prepTokyo trip itineraryResume rewrite + cover letterMeal prep for the weekPhysics revision notes<br>MMaya Crux Pro
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Analyze my March bank statements. Where is my money going? Build me a spending report and fix my budget tracker.<br>Thinking<br>read: statements_march.csv<br>bash: python analyze_spending.py<br>todowrite: 3 todos<br>write: spending_report.md<br>edit: budget_tracker.py
March came to $2,840 , about 14% over budget . Three things drove it:<br>1. Dining out : $412, nearly double February.<br>2. Subscriptions : $86/mo across 4 services you haven't opened in 60 days.<br>3. One-off electronics : $310.<br>The full breakdown is in spending_report.md , and your tracker now flags any category running 10% hot.
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localfinances7%
CRUX Environment<br>Explorer<br>statements_feb.csvstatements_march.csvanalyze_spending.pybudget_tracker.pyspending_report.md
spending_report.md<br>March Spending Report<br>Total spend $2,840 · budget $2,500 · +14% over<br>CategorySpentvs budget<br>Rent & utilities$1,410on track<br>Dining out$412+96%<br>Groceries$358-4%<br>Subscriptions$864 unused<br>Electronics$310one-off
Cancel the unused subscriptions and hold dining to $220 to land April at $2,395 .
finances/budget_tracker.py+4-2<br>@@ -12,6 +12,8 @@<br>12DINING_BUDGET = 250<br>-ALERT_THRESHOLD = 1.5<br>13# Flag any category running 10% over its monthly budget<br>14ALERT_THRESHOLD = 1.1<br>15AUDIT_SUBSCRIPTIONS = True<br>16def check_overruns(rows):
finances/spending_report.md+38-0<br>@@ -0,0 +1,38 @@<br>1# March Spending Report<br>2Total: $2,840 (+14% vs budget)<br>3Top driver: dining out (+96%)
5 files
01 · Ask anything02 · Crux gets to work03 · A real environment for real files04 · Every change, reviewed
Intelligence, always at your fingertips<br>Crux floats above every app. One shortcut summons it. Anywhere, over anything.<br>Ctrl+Shift+Spaceon Windows<br>⌘+Shift+Spaceon Mac
caps lock A S D F G<br>shift Z X C V<br>fn control option command
Chrome FileEditViewHistoryWindowHelpThu Jul 3 9:41 AM<br>localhost:3000<br>Nimbus FeaturesPricingDocsAboutContactSign up now!!<br>The best weather app ever made for everyone<br>Nimbus gives you hyperlocal forecasts, radar, alerts and more. Download it today and never get rained on again. It works everywhere and it is really good, we promise.<br>GET STARTEDlearn more<br>Radar<br>Alerts<br>Forecasts
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Preferences<br>GeneralAppearanceNotificationsPrivacyAdvanced<br>Appearance<br>Dark mode Use a dark theme across the app<br>Accent color Used for buttons and highlights<br>Text size Applies to lists and reading views
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Ask anythingUsing Tool : editListening. Just speakLooking at your screen…Ready when you are
gpt-5.57%<br>See, this doesn't look good. Cramped and inconsistent. Improve the UI.
Done. Rebuilt the hero on an 8pt grid, unified everything to one accent, and let the layout breathe. Refresh and compare.
Marking your screen<br>Cmd/Ctrl+M to mute$0.01<br>Where do I turn on dark mode in this app?
Open Preferences → Appearance . I've circled the toggle for you. Flip it and the whole app goes dark.
01 · Overlay Mode02 · Live Assist Mode
An assistant that belongs to you. Crux learns how you work, grows with every interaction, and keeps everything on your machine.
Personal
Built around you<br>It shapes itself around the way you work.
Self-evolving
Grows with you<br>It grows with you and gets better every time you use it.
Local-first
Local by design<br>Everything it knows stays on your machine with you.
Run Crux from anywhere. Connect your messaging channels or your email inbox and drive your agent remotely while you are away.
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Works with everything you already use. Crux plugs into the tools your day already runs on.
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Download Crux<br>$10, one time. Yours for good, on Mac (Apple silicon) and Windows.<br>Download for Windows<br>Download for MacApple silicon
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AI should not replace people. It should make people more capable, more creative, and more free to do meaningful work.<br>Team Crux<br>Read the letter
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