Hello, world!
/plugin marketplace add backpaper0/claude-code-plugin-example/plugin install backpaper0-hello-plugin-hello-plugin@backpaper0/claude-code-plugin-exampleMigrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.
Frontend design skill for UI/UX implementation
Adds educational insights about implementation choices and codebase patterns (mimics the deprecated Explanatory output style)
Easily create hooks to prevent unwanted behaviors by analyzing conversation patterns