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…
Tailwind CSS v4.x utility-first CSS framework best practices. Use when styling web applications with utility classes, building responsive layouts, customizing design systems with @theme variables, migrating from v3 to v4, configuring dark mode, creating custom utilities with @utility, or working with any Tailwind CSS…
Automated web QA skill: analyzes a website or project, generates end-user use cases, derives a structured test plan, executes tests via Playwright browser automation, and produces a full HTML/Markdown QA report with screenshots and pass/fail results. TRIGGER this skill whenever the user asks to: test a website, run QA…
TypeScript language expertise covering the type system, generics, utility types, advanced type patterns, and project configuration. Use this skill whenever writing, reviewing, or refactoring TypeScript code, designing type-safe APIs, working with complex generics, debugging type errors, configuring tsconfig.json…
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance…
Guide for implementing smooth, native-feeling animations using React's View Transition API ( component, addTransitionType, and CSS view transition pseudo-elements). Use this skill whenever the user wants to add page transitions, animate route changes, create shared element animations, animate enter/exit of components…
Vite build tool configuration, plugin API, SSR, library mode, and Vite 8 Rolldown/Oxc migration. Use when working with Vite projects, vite.config.ts, Vite plugins, building libraries or SSR apps with Vite, migrating from older Vite versions, or configuring Rolldown/Oxc options. Also use when the user mentions HMR…
This skill enables visual inspection of websites running locally or remotely to identify and fix design issues. Triggers on requests like "review website design", "check the UI", "fix the layout", "find design problems". Detects issues with responsive design, accessibility, visual consistency, and layout breakage…
Copilot instructions for biggora/claude-plugins-registry: This repository publishes @biggora/claude-plugins, a Node.js ESM CLI and a collection of agent skills. Node.js 18 or newer is required. There is no build step.
AGENTS.md instructions for biggora/claude-plugins-registry, covering agents.md, project overview, commands, run the cli (no build step needed) and test (currently just runs --help).
Fresh-context specialist that writes one independent acceptance test from an approved observable criterion without seeing or changing implementation internals.
Independent read-only verifier that black-box reviews an artifact against approved acceptance criteria without implementation history or expected fixes.
Orchestrates evidence-driven project analysis and improvement through approved specifications, one-writer vertical slices, independent review, and fresh readiness proof. Use as the main Claude session for substantial project delivery work.
Autonomous iterative improvement loop (Agent-Optimizer pattern) for optimizing ANYTHING measurable. Apply when the user wants to: optimize, tune, improve, benchmark, iterate, experiment autonomously, maximize/minimize a metric, run A/B variants automatically, find the best config/prompt/algorithm. Trigger phrases…
Creates comprehensive brand guidelines documents (brand books) for any brand. Guides users through a structured brand interview, collects colors, typography, logo usage rules, tone of voice, and visual style, then generates a professional self-contained HTML brand book. Use when a user asks to: "create brand…
Integrate third-party CAPTCHA-solving services into automated browser sessions for authorized testing, QA, and legitimate automation workflows on sites you own or have permission to access. Use this skill when the user needs to: handle CAPTCHA challenges in Playwright or Puppeteer test suites, integrate reCAPTCHA…