Show HN: CpuTopBars and devTopBars – macOS menu bar system and AI monitors

Category: devtools

Tags: macos, menu-bar, monitoring, claude-code, system-monitor

Score: 4.3/10 (Innovation: 4, Technical: 5, Documentation: 4, Utility: 4)

CpuTopBars is a macOS menu bar system monitor, and devTopBars is a paid extension that adds Claude Code plan usage and session tracking via an open-source plugin. It integrates AI coding session state into a native Mac UI, but the ecosystem is closed and the plugin is minimal.

Target audience: macOS developers using Claude Code

Repository: https://halfmarble.com/devtopbars/ · TypeScript · MIT

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