React and Next.js performance guidance for writing, reviewing, and refactoring production UI code.

A set of agent skills that help improve different parts of a product, from animations and typography to layout and colors.

A full-lifecycle Claude Code skill for creating, compiling, reviewing, and polishing academic Beamer LaTeX presentations with quality scoring and pedagogical audits.

Self-contained floating chat widget with welcome screen, social links, meeting button, and message input. Single HTML file, zero dependencies.

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 improvements.

Official GSAP skill for GSAP plugins — registration, ScrollToPlugin, ScrollSmoother, Flip, Draggable, Inertia, Observer, SplitText, ScrambleText, SVG and physics plugins, CustomEase, EasePack, CustomWiggle, CustomBounce, GSDevTools. Use when the user asks about a GSAP plugin, scroll-to, flip animations, draggable, SVG drawing, or plugin registration.

Free, open-source anti-detect browser launcher for web scraping and multi-accounting. By the ProxyShard team. Engine-level fingerprint spoofing in Chromium 148 (WebGL / WebGPU / Client Hints / fonts / TLS), 170+ device profiles bundled, stable QUIC + WebRTC over SOCKS5.

A collection of 13 reusable AI agent skills for Minecraft 1.21.x development and operations, with plugin bundles for Codex and Claude Code.

An archive of monoline vector fonts, and p5.js code to render them.

全网首个中文字体专业知识包：可商用中文字体库（授权三级分类）、场景×气质选字矩阵、中英混排与排版规则。让 AI 选中文设计字体不再甩给你一堆 Inter / Chinese font selection agent skill: license-safe free commercial CJK fonts, scene-based selection matrix, CJK-Latin pairing rules. Works with Claude Code / Cursor / Kimi / Codex.

Claude Code skill to estimate China's national team (Central Huijin) ETF positioning using ETF share data.

A Claude Code skill that generates presentation-grade HTML decks from a single line of intent.