Development

ui-ux-pro-max @castle-x

UI/UX design intelligence. 67 styles, 96 palettes, 57 font pairings, 25 charts, 13 stacks (React, Next.js, Vue,...

using-git-worktrees @castle-x

Use when starting feature work that needs isolation from current workspace or before executing implementation plans...

youtube-downloader @castle-x

Download YouTube videos with customizable quality and format options. Use this skill when the user asks to download,...

webapp-testing @castle-x

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend...

writing-plans @castle-x

Use when you have a spec or requirements for a multi-step task, before touching code

accessibility-audit @namesreallyblank

Automated accessibility testing via Playwright MCP and axe-core

ast-grep-find @namesreallyblank

AST-based code search and refactoring via ast-grep MCP

complete-skill @namesreallyblank

A complete skill for E2E testing

debug-hooks @namesreallyblank

Systematic hook debugging workflow. Use when hooks aren't firing, producing wrong output, or behaving unexpectedly.

explicit-identity @namesreallyblank

Explicit Identity Across Boundaries

explore @namesreallyblank

Meta-skill for internal codebase exploration at varying depths (quick/deep/architecture)

fix @namesreallyblank

Meta-skill workflow orchestrator for bug investigation and resolution. Routes to debug, implement, test, and commit...

git-commits @namesreallyblank

Git Commit Rules

github-search @namesreallyblank

Search GitHub code, repositories, issues, and PRs via MCP

hook-developer @namesreallyblank

Complete Claude Code hooks reference - input/output schemas, registration, testing patterns

idempotent-redundancy @namesreallyblank

Idempotent Redundancy

math-help @namesreallyblank

Guide to the math cognitive stack - what tools exist and when to use each

modular-code @namesreallyblank

Modular Code Organization

morph-search @namesreallyblank

Fast codebase search via WarpGrep (20x faster than grep)

nia-docs @namesreallyblank

Search library documentation and code examples via Nia

onboard @namesreallyblank

Analyze brownfield codebase and create initial continuity ledger

performance-audit @namesreallyblank

Web performance testing via Playwright MCP - Core Web Vitals, Lighthouse

prove @namesreallyblank

Formal theorem proving with research, testing, and verification phases

qlty-check @namesreallyblank

Code quality checks, formatting, and metrics via qlty CLI