Stat Space blog https://statspace.app/blog Notes from building Stat Space, a lean Apple Silicon menu bar monitor. en My AI agent said it was done. My Mac's fans disagreed. https://statspace.app/blog/ai-agent-left-servers-running https://statspace.app/blog/ai-agent-left-servers-running Tue, 10 Nov 2026 00:00:00 GMT Claude Code finished, but the MacBook stayed hot. The cause: servers an earlier agent session started and never stopped. How to find them, and why they outlive the agent. AI Coding Claude Code macOS Developer Tools Unix Reading Apple Silicon temperatures, watts and clocks without sudo https://statspace.app/blog/apple-silicon-sensors-without-root https://statspace.app/blog/apple-silicon-sensors-without-root Tue, 10 Nov 2026 00:00:00 GMT powermetrics needs root. IOHIDEventSystemClient, IOReport and the SMC don't. How Stat Space reads sensors, power, clocks and fans as a normal user. macOS Apple Silicon Swift Hardware How I built a native Mac app with Claude Code: spec, spikes, budget https://statspace.app/blog/building-a-mac-app-with-claude-code https://statspace.app/blog/building-a-mac-app-with-claude-code Tue, 10 Nov 2026 00:00:00 GMT Stat Space went from first commit to 1.0 in three days, mostly written by Claude Code. The workflow: a handover doc, spikes before the app, and a CPU budget in CI. AI Coding Claude Code Swift macOS Software Engineering Per-app volume on macOS without an audio driver https://statspace.app/blog/per-app-volume-macos-core-audio-process-taps https://statspace.app/blog/per-app-volume-macos-core-audio-process-taps Tue, 10 Nov 2026 00:00:00 GMT How I built a per-app volume mixer for macOS on Core Audio process taps: taps, aggregate devices, the purple dot, and keeping the cost near zero. macOS Swift Core Audio Apple Silicon Performance How I keep a Mac system monitor under 0.3% CPU https://statspace.app/blog/system-monitor-under-0-3-percent-cpu https://statspace.app/blog/system-monitor-under-0-3-percent-cpu Tue, 10 Nov 2026 00:00:00 GMT The budget, the scheduler, the ring buffers and the one Apple Silicon bug that makes CPU numbers 41x wrong. How Stat Space stays out of its own top-apps list. macOS Swift Apple Silicon Performance Which app made that beep? Tracing system sounds on macOS https://statspace.app/blog/which-app-made-that-beep-macos https://statspace.app/blog/which-app-made-that-beep-macos Tue, 10 Nov 2026 00:00:00 GMT Core Audio blames every beep on systemsoundserverd. How I found the real app behind NSBeep and notification sounds using a filtered live log stream. macOS Swift Core Audio Debugging