Bash/Linux terminal patterns. Critical commands, piping, error handling, scripting. Use when working on macOS, Linux, or any system with Bash/Zsh.
Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.
Use when writing Result-driven error handling in TypeScript — converting try/catch to typed Results, chaining fallible operations, recovering from errors without throwing, or wrapping throwing functions. Activates when the user mentions lib-result, Result/Ok/Err types, error handling patterns, or any TypeScript code that throws and would benefit from type-safe error handling, even if they don't name the library.
Node.js package manager with strict dependency resolution. Use when running pnpm specific commands, configuring workspaces via pnpm-workspace.yaml, or managing dependencies with catalogs, patches, overrides, config dependencies, or the global virtual store.
Manages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a components.json file. Also triggers for "shadcn init", "create an app with --preset", or "switch to --preset".
Remove AI writing patterns from prose. Use when drafting, editing, summarizing, or reviewing text to eliminate predictable AI tells.
Use when you have a spec or requirements for a multi-step task, before touching code