Claude Code tells you almost nothing about where you stand against your rate limits. claude-statusbar puts the numbers that matter on one quiet line at the bottom of your terminal — so you never switch context to a separate window to answer "how much have I got left, and when does it reset?"

• Official 5h / 7d usage — the same rate-limit numbers Claude Code enforces, with reset countdowns and end-of-window projections (→NN%), not a local guess.
• Model & context window — current model and how full the context is (Opus 4.8 · 350k/1M).
• Prompt-cache countdown — see how long your cache stays warm (cache 4m23s) so you know when the next turn pays full price.
• Cost & balance — optional per-session cost, or live relay/API balance in no-quota setups.
• Two surfaces — inline statusLine in the terminal, or an always-on-top floating HUD for the Claude desktop app (macOS).
• 3 styles × 9 themes — switch the whole look with one command: battery-bar, capsule, or hairline.
• Fast by design — an optional daemon renders in well under 1% CPU even at a 1-second refresh.
• More when you want it — git branch & diff stats, session activity, AgentParty/Codex presence, IELTS writing-coach progress — each opt-in.
• Zero-dependency install — a single prebuilt binary (no Python needed) or a pip package. Auto-updates.

One line — no Python, no pip. Downloads a prebuilt standalone binary for your platform (macOS Apple Silicon, Linux x86_64) and wires up the status line:

curl -fsSL https://raw.githubusercontent.com/leeguooooo/claude-code-usage-bar/main/install.sh | bash

_{Security-conscious? Download and read it first — the header lists exactly what it touches. On platforms without a prebuilt binary it falls back to pip.}

On macOS this one line does everything — it wires the terminal statusLine and, if the Claude desktop app is installed, registers the floating desktop HUD to auto-start on login. The macOS binary bundles the HUD, so there's no separate pip install '[hud]' and no extra config.

Prefer pip / uv, or want the desktop HUD extra? Install the Python package:

pip install claude-statusbar     # or: uv tool install / pipx install
cs --setup                       # wires the statusLine hook + installs the skill

Restart Claude Code and the bar appears at the bottom. Other paths (skill-only, plugin marketplace, Codex/AgentParty bridge) are in the install guide.

Deep dive: Is that cache 4m23s line actually accurate? — how the prompt-cache countdown is computed

The desktop app has no status line, so cs hud adds an always-on-top floating panel with the same official 5h / 7d usage (sampled by the desktop app itself, not an estimate) and your active AgentParty channels.

If you used the curl … install.sh | bash one-liner above, the HUD is already installed — the macOS binary bundles it and the installer auto-registers it when the desktop app is present. The commands below are only for a manual/pip setup:

pip install 'claude-statusbar[hud]'   # adds PyObjC (macOS GUI deps)
cs hud install                        # launchd: auto-start on login + keep-alive

Collapsed pill → click to expand → drag anywhere; it hides when the desktop app isn't open. Full details in the Desktop HUD guide.

The default bar — classic style, graphite theme:

At a full refresh it can render up to three lines, each segment optional:

Every icon, color threshold, and toggle is documented in the segment reference. Nine themes and three styles are in styles & themes.

There are a few good Claude Code usage monitors. They solve overlapping but distinct problems — pick the one that matches where you want the information.

cs is intentionally one line of color and one decision per second. If you want a dashboard with charts, daily/weekly aggregates, and burn-rate prediction, run a TUI in a side pane. The two coexist nicely.

prompt-language-coach — install the plugin to track IELTS band progress. The bar then shows your writing level and trend automatically (no config; appears when ~/.claude/language-progress.json exists):

... | Opus 4.8(350k/1M) | EN:6.0↑ JA:5.0→

↑ improved · ↓ dropped · → no change since last session.

PRs welcome. The full contributor guide — local setup, test commands, architecture map, coding conventions, release flow — is in CONTRIBUTING.md. Security issues: SECURITY.md.

git clone https://github.com/leeguooooo/claude-code-usage-bar
cd claude-code-usage-bar
uv sync
PYTHONPATH=src uv run pytest tests/   # 900+ tests, ~3s

The render path is hot (up to 60×/min at refreshInterval: 1) — tests/test_import_perf.py pins which modules can't be imported on the fast path. Read CONTRIBUTING.md before adding dependencies.

Every version's changes: CHANGELOG.md · GitHub Releases.

• @marcwimmer — original show_cache_age widget (#9)
• claude-monitor — token-usage analysis library used as the optional fast-path data source

_{Static snapshot taken at v3.3.x; click for the live chart.}