If you're tracking marketing performance across email, social, or paid campaigns, this gives you a reference framework for the metrics that actually matter. The email marketing section alone covers 9 core metrics with benchmarks and what each one tells you about list health, content effectiveness, or revenue attribution. It's essentially a cheat sheet for knowing whether your 18% open rate is good or concerning, and which numbers to watch when something's underperforming. The 255 installs suggest it's found an audience with marketers who work in Claude Code and want quick access to performance standards without digging through old reports or guessing at thresholds.
npx skills add https://github.com/anthropics/knowledge-work-plugins --skill performance-analytics