Add the marketplace
/plugin marketplace add tswr/engineering-mastery-pluginInstall plugins
/pluginRun these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.
Eighteen skills for professional software engineering: clean code, clean architecture, defensive programming, testing, performance, code review, security, observability, refactoring, API design, concurrency, documentation, AI-native codebase design, ML experimentation, A/B testing, mobile development, frontend development, and algorithms.