Claude Code usage meter released
Key point
Throttle Meter reads local session files to display Claude Code's 5-hour rolling usage in real time.
Details
Throttle Meter is an MIT open-source Swift app that runs on macOS 14+.
It reads local ~/.claude/projects/*.jsonl files to calculate the 5-hour rolling limit and weekly usage, and displays them in real time in the menu bar.
- Shows notifications when reaching 80% / 95%.
- Adds the next weekly reset time as a calendar event.
- Displays usage trends and EUR cost estimates.
It operates entirely locally, with no network calls, sign-up, or telemetry.
The paid app Throttle is available for a one-time payment of €19, and includes a project window and an AI assistant for checking CLAUDE.md / settings.json / hooks. It also has an Exact mode that uses Safari's claude.ai session, but this is an unofficial feature vulnerable to changes in Anthropic's internal endpoints.
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