development

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

Provides KISS, YAGNI, and SOLID code quality principles for clean code,

Help users write, review, and debug code

Enforces engineering standards and code quality policies. Use during code reviews, before commits, when discussing standards or compliance, for quality audits, and when running retrospectives. Trigger phrases include 'run a retro', 'retrospective', 'code review', 'run review', or 'audit standards'.

Manage git worktrees for parallel development with conflict prevention and wave-aware execution strategy. Use when creating feature branches, starting parallel work sessions, merging worktree PRs, or coordinating multiple Claude sessions.

detailed development workflow with modular patterns for git, code review, testing, documentation, and deployment

Validate Claude Code skills against Anthropic guidelines. Use when user says "check skill", "skillcheck", "validate SKILL.md", or asks to find issues in skill definitions. Contains complete validation knowledge.