The original title is "OhNine: Why I Built a Menu Bar App for Claude Limits"

Short summary

OhNine is a free macOS menu bar app that tracks Claude's layered usage limits (session, weekly, model-specific) and sends native alerts at 80%, 91%, and 100%. The author built it after repeated frustration with sessions ending mid-thought without warning. The app emphasizes zero telemetry and demonstrates how solving a narrow visibility problem well can shape broader product philosophy.

• •Free menu bar app tracking Claude session, weekly, and model-specific usage limits in real time
• •Sends native alerts at 80%, 91%, and 100% to prevent surprise session cutoffs
• •Built with zero telemetry, which influenced the author's broader product design philosophy

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