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Found 1,267 Skills
Arktype patterns for discriminated unions using .merge() and .or(), spread key syntax, and type composition. Use when building union types, combining base schemas with variants, or defining command/event schemas with arktype.
Integrate Geist fonts in Svelte 4/5 and SvelteKit projects using `geist-svelte`. Use when users ask for Geist Sans, Geist Mono, or Geist Pixel variants, need setup with Tailwind v4 or v3, want CSS variable usage without Tailwind, need import/config troubleshooting, or want migration from manual `@font-face` setup to package-based Geist fonts.
Analyze A/B test results with statistical significance, sample size validation, confidence intervals, and ship/extend/stop recommendations. Use when evaluating experiment results, checking if a test reached significance, interpreting split test data, or deciding whether to ship a variant.
Find and download virtually any digital resource from the internet — ebooks, academic papers, movies, TV shows, music, software, images, fonts, courses, and more. Covers both English and Chinese internet ecosystems. Includes CLI tool workflows (yt-dlp, aria2, gallery-dl, spotdl), resource site directories, cloud drive search engines (百度/阿里/夸克网盘搜索), and search techniques (Google dorks). Use when the user wants to: (1) download a video, audio, or media from a URL, (2) find and download an ebook or academic paper, (3) find and download software, (4) search for any digital resource, (5) batch download images or media from a gallery/site, (6) download torrents or magnet links, (7) find free stock assets (images, video, audio, fonts), (8) search Chinese cloud drives for resources, or (9) any task involving finding or downloading digital content from the internet.
Comprehensive web scraping, crawling, and data extraction toolkit powered by Firecrawl API. Provides scripts for single-page scraping (scrape.py), web search (search.py), URL discovery (map.py), multi-page crawling (crawl.py), structured data extraction (extract.py), and autonomous data gathering (agent.py). Use when you need to: (1) extract content from web pages, (2) search and scrape the web, (3) discover URLs on websites, (4) crawl multiple pages, (5) extract structured data with JSON schemas, or (6) autonomously gather data from anywhere on the web. Requires FIRECRAWL_API_KEY environment variable.
Design rigorous A/B tests with hypotheses, variants, metrics, and sample size calculations.
This skill should be used when the user asks to "add SF Symbols", "animate icons", "use symbol effects", "apply symbol rendering mode", "add bounce/pulse effect", or needs SwiftUI iconography API reference. Provides SF Symbols usage, rendering modes (monochrome, hierarchical, multicolor, palette), symbol effects, and variable values.
Use when styling components or elements with @accelint/design-foundation or @accelint/design-toolkit packages, or when users say "style this", "add styling", "theme this component", "add colors", "add spacing", "CSS modules", "setup design foundation", "@variant", or when working with .module.css files. Provides opinionated Tailwind conventions including semantic tokens, custom spacing scale, outline-based borders, variant system, and CSS module setup guidance.
Build and operate Turborepo monorepos with deterministic task graphs, cache correctness, and CI scalability. Use for `turbo.json` design, task dependency modeling, outputs/inputs hashing, environment variable handling, remote cache rollout, and pipeline troubleshooting.
Complete guide for Halo CMS theme development. Covers theme directory structure, Thymeleaf template syntax, template route mapping, template variables, Finder API, global variables, theme settings, static asset management, Vite integration, and custom tags. Use when: creating or modifying Halo themes, writing Thymeleaf templates, calling Finder APIs, configuring theme.yaml / settings.yaml, integrating Vite, adding settings forms, handling static asset references, or implementing comment/footer extension points.
UdonSharp (C# to Udon Assembly) scripting skill for VRChat world development. Use this skill when writing, reviewing, or debugging UdonSharp C# code. Covers compile constraints (List<T>/async/await/try/catch/LINQ blocked), network sync (UdonSynced, RequestSerialization, FieldChangeCallback, NetworkCallable), persistence (PlayerData/PlayerObject), Dynamics (PhysBones, Contacts), Web Loading, and event handling. SDK 3.7.1 - 3.10.2 coverage. Triggers on: UdonSharp, Udon, VRC SDK, UdonBehaviour, UdonSynced, NetworkCallable, VRCPlayerApi, SendCustomEvent, PlayerData, PhysBones, synced variables, VRChat world scripting, C# to Udon.
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 v4 features. This skill covers the full v4.x line through v4.2 including text shadows, masks, logical properties, and source detection. Use this skill even for simple Tailwind questions — v4 changed many class names and configuration patterns that trip people up.