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Windows-only floating, draggable circular bubble showing Claude Code and Codex usage. Derivative of CodeZeno/Claude-Code-Usage-Monitor (MIT), relicensed under Apache 2.0 with upstream attribution in NOTICE. - Ported verbatim: poller, updater, tray_icon, theme, localization, diagnose, models (~2,700 LOC) - Original: bubble (circular layered window, drag-anywhere via WM_NCHITTEST+HTCAPTION, snap-to-edge, Ctrl+Wheel resize, auto-hide on fullscreen), panel (expanded 5h/7d view), app (orchestrator, single-instance mutex, polling thread, context menu, dual-bubble lifecycle), settings (settings.json persistence) - Cargo.toml features cover Win32 GDI, HiDpi, Registry, Threading, Shell, WindowsAndMessaging, and KeyboardAndMouse
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Claude Code Usage Bubble
A floating, draggable circular bubble that shows your Claude Code and/or Codex usage on Windows — inspired by the floating "memory boost ball" UX of 360 Security and IObit Advanced SystemCare.
Drop it anywhere on screen, drag it around, snap it to a monitor edge, left-click for a panel with both your 5-hour and 7-day windows, right-click for the menu.
Differences vs upstream
This project is a derivative of CodeZeno/Claude-Code-Usage-Monitor (MIT, © 2026 Code Zeno Pty Ltd). The usage-polling, updater, tray-icon, localization, theme-detection, and diagnostic modules are ported from that codebase with minor adaptations.
The original app embeds a horizontal widget directly into the Windows taskbar. This fork replaces that UI with a floating circular bubble that the user can drag anywhere on screen, plus an on-demand expanded panel. Everything else (credential reading, OAuth refresh via the Claude/Codex CLI, WSL credential support, GitHub self-update, eight languages) behaves the same.
What you get
- A circular floating bubble showing your current 5-hour Claude Code or Codex usage as a percentage and a colored progress ring
- Drag anywhere — the bubble snaps to monitor work-area edges when released
- Resize with
Ctrl + MouseWheelon the bubble (32–128 pixels) - Left-click the bubble for an expanded panel with both 5h and 7d bars plus reset countdowns
- Right-click for refresh, displayed models, update frequency, language, startup, updates, exit
- Optional system tray icons (one per enabled model)
- Auto-hide when a fullscreen app is in the foreground (games, video, presentations) — reappears when you leave fullscreen
Who this is for
Windows 10/11 users who already have Claude Code (CLI or App) installed and signed in. Codex support is optional — install and sign in to the Codex CLI, then enable Codex from the right-click Models menu.
If you use Claude Code through WSL, that is supported too. The monitor can read your Claude Code credentials from Windows or from your WSL environment.
Requirements
- Windows 10 or Windows 11
- Claude Code (CLI or App) installed and authenticated
- Optional: Codex CLI installed and authenticated, if you want Codex usage
Install
Until packaged binaries are published, build from source:
git clone https://github.com/<your-fork>/claude-code-usage-bubble
cd claude-code-usage-bubble
cargo build --release
The binary lands at target/release/claude-code-usage-bubble.exe.
Use
Run claude-code-usage-bubble.exe. The bubble appears near the bottom-right
corner of your primary monitor on first launch. Drag it where you want it,
release to snap to the nearest edge if you let go close to one.
- Left-click the bubble to open the expanded panel (5h + 7d + countdowns)
- Right-click for refresh, models, update frequency, language, "Start with Windows", updates, exit
- Drag anywhere — it floats on top of all other windows
- Ctrl + MouseWheel on the bubble to resize it
- Tray icon (if enabled): left-click toggles the bubble visibility, right-click opens the same menu
Models
Use the right-click Models menu to choose what is shown:
- Claude Code is enabled by default
- Codex can be enabled alongside Claude Code or shown by itself
When both models are shown, each gets its own bubble that you can position independently.
Diagnostics
claude-code-usage-bubble.exe --diagnose
This writes a log file to:
%TEMP%\claude-code-usage-bubble.log
Settings are saved to:
%APPDATA%\ClaudeCodeUsageBubble\settings.json
Privacy and security
What the app reads:
- Your local Claude Code OAuth credentials from
~/.claude/.credentials.json - If needed, the same credentials file inside an installed WSL distro
- If Codex is enabled, your local Codex credentials from
$CODEX_HOME/auth.jsonor~/.codex/auth.json
What the app sends over the network:
- Requests to Anthropic's Claude endpoints to read your usage
- Requests to ChatGPT's Codex usage endpoint, if Codex is enabled
- Requests to GitHub only if you use the app's update-check feature
What the app stores locally:
- Bubble position(s) per model
- Bubble size
- Polling frequency
- Language preference
- Last update check time
- Displayed model preferences
What it does not do: send credentials to any third-party server, run a
backend service, collect analytics, upload your project files, or write to
your Codex auth.json directly.
License
Apache License 2.0 — see LICENSE. This project is a derivative of CodeZeno/Claude-Code-Usage-Monitor (MIT). Upstream attribution and the original MIT terms for the ported portions are recorded in NOTICE.