Bun Test Basics

Vulnerability Scanning

secondsky

Guides automated vulnerability scanning of dependencies, code and containers with Trivy, Snyk, npm audit and Bandit.

Web Performance Optimization

secondsky

Guides web performance optimization via code splitting, lazy loading, caching, compression, and Core Web Vitals monitoring.

Web Performance Audit

secondsky

Guides web performance audits using Core Web Vitals, Lighthouse, optimization strategies, and performance budgets.

Threejs

secondsky

Reference knowledge base for building 3D web experiences with the Three.js library, covering ten core domains with code examples.

Tailwind V4 Shadcn

secondsky

Sets up Tailwind CSS v4 with shadcn/ui, Vite and React, including theming, dark mode and migration guidance.

Technical Specification

secondsky

Guides creation of technical specifications for software projects, covering requirements, architecture, APIs, testing and risks.

Playground

anthropics

Featured

Builds self-contained interactive HTML playgrounds with controls, live preview, and copyable prompt output.

M5 Onboard

anthropics

Featured

Provisions M5Stack ESP32 boards by detecting them on USB, flashing UIFlow 2.0 firmware, and installing a MicroPython app bundle.

Cardputer Buddy

anthropics

Featured

Guides iterating on a Cardputer-Adv MicroPython app bundle: adding apps, pushing files over USB-serial, tailing logs, and running REPL commands.

Web Design Guidelines

vercel-labs

Featured

Reviews UI code against Web Interface Guidelines fetched from a remote source and reports findings as file:line entries.

Vercel React Native Skills

vercel-labs

Featured

React Native and Expo best-practice rules covering list performance, animation, navigation, UI patterns, state, and monorepo setup.

Vercel React Best Practices

vercel-labs

Featured

Vercel's React and Next.js performance guidelines, organized as 70 rules for writing, reviewing, and refactoring code.