Peras

Peras is a local, free, and open-source tool for macOS that tracks and manages your usage of Claude Pro/Max and ChatGPT plans, including Claude Code and Codex. It provides real-time monitoring, usage forecasts, and can pause these AI agents automatically or after confirmation to prevent exceeding your set limits. It supports usage monitoring per project folder, daily and weekly allowances, and offers a menu bar app for quick status and control.