xtrace — Command-line CPU Profiling for macOS as a skill
Summary
xtrace is a command-line profiling toolkit for macOS that records CPU, GPU, and memory traces and supports a full analysis/visualization pipeline from the terminal. It offers multiple output formats (text, JSON, SVG, speedscope), zero-dependency core analysis, and optional visualization tools, making it suitable for dev/DevOps workflows and CI pipelines. The README also covers installation, quick-start usage, and integration with AI agent skills via a shared SKILL.md format.