PluginBench

AI Skills

Installable SKILL.md packages that extend AI coding agents with reliable workflows and domain-specific judgment — ranked by installs, sourced from skills.sh.

9,639 skills
TH

threejs-loaders

cloudai-x/threejs-skills

Three.js asset loading - GLTF, textures, images, models, async patterns. Use when loading 3D models, textures, HDR environments, or managing loading progress.

4.2k installs
YO

youtube-downloader

composiohq/awesome-claude-skills

Download YouTube videos with customizable quality and format options. Use this skill when the user asks to download, save, or grab YouTube videos. Supports various quality settings (best, 1080p, 720p, 480p, 360p), multiple formats (mp4, webm, mkv), and audio-only downloads as MP3.

4.2k installs
SH

shadcn

shadcn-ui/ui

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 "shadcn init", "create an app with --preset", or "switch to --preset".

4.2k installs
CL

clickhouse-best-practices

Official
clickhouse/agent-skills

MUST USE when reviewing ClickHouse schemas, queries, or configurations. Contains 31 rules that MUST be checked before providing recommendations. Always read relevant rule files and cite specific rules in responses.

4.2k installs
JA

java-architect

jeffallan/claude-skills

Use when building, configuring, or debugging enterprise Java applications with Spring Boot 3.x, microservices, or reactive programming. Invoke to implement WebFlux endpoints, optimize JPA queries and database performance, configure Spring Security with OAuth2/JWT, or resolve authentication issues and async processing challenges in cloud-native Spring applications.

4.2k installsAudited
AP

api-designer

jeffallan/claude-skills

Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for resource modeling, versioning strategies, pagination patterns, error handling standards.

4.2k installsAudited
TR

transitions-dev

jakubantalik/transitions.dev

Production-ready CSS transitions for web apps. Use when implementing notification badges, dropdowns, modals, panel reveals, page transitions, card resizes, number pop-ins, text swaps, icon swaps, success checks, avatar group hovers, error state shakes, search/input clear, skeleton loaders, shimmer text, sliding tabs, tooltips, staggered text reveals, card hover tilt, plus-to-menu morph, or accordions. Triggers on "add a transition", "animate the dropdown", "make the modal open smoothly", "swap icon", "page slide", "stagger animation", "open / close transition", "make it animate", "fade between", "success animation", "form error", "shake on invalid", "hover lift", "avatar stack hover", "clear the search", "skeleton loader", "loading shimmer", "shimmer text", "sliding tabs", "segmented control", "tooltip", "reveal text", "tilt card", "3D hover tilt", "cursor glare", "plus to menu", "FAB morph", "accordion", "collapsible", "expand / collapse", "disclosure". Also "motion tokens", "scan for ad-hoc transitions", "replace hardcoded durations with motion tokens", "tokenize my animations", and the commands transitions reveal, transitions review, transitions apply, transitions refine.

4.2k installsAudited
BR

browser-qa

affaan-m/everything-claude-code

Use this skill to automate visual testing and UI interaction verification using browser automation after deploying features.

4.1k installs
RU

rules-distill

affaan-m/everything-claude-code

Scan skills to extract cross-cutting principles and distill them into rules — append, revise, or create new rule files

4.1k installsAudited
DO

dogfood

nousresearch/hermes-agent

Exploratory QA of web apps: find bugs, evidence, reports.

4.1k installs
GH

gh-cli

trailofbits/skills

Enforces authenticated gh CLI workflows over unauthenticated curl/WebFetch patterns. Use when working with GitHub URLs, API access, pull requests, or issues.

4.1k installs
PY

python-expert

shubhamsaboo/awesome-llm-apps

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4.1k installsAudited
NO

node

mcollina/skills

Provides domain-specific best practices for Node.js development with TypeScript, covering type stripping, async patterns, error handling, streams, modules, testing, performance, caching, logging, and more. Use when setting up Node.js projects with native TypeScript support, configuring type stripping (--experimental-strip-types), writing Node 22+ TypeScript without a build step, or when the user mentions 'native TypeScript in Node', 'strip types', 'Node 22 TypeScript', '.ts files without compilation', 'ts-node alternative', or needs guidance on error handling, graceful shutdown, flaky tests, profiling, or environment configuration in Node.js. Helps configure tsconfig.json for type stripping, set up package.json scripts, handle module resolution and import extensions, and apply robust patterns across the full Node.js stack.

4.1k installs
CT

ctf-writeup

ljagiello/ctf-skills

Generates a single standardized submission-style CTF writeup for competition handoff and organizer review. Use after solving a CTF challenge to document the solution steps, tools used, and lessons learned in a structured format.

4.1k installs
CO

coder

starchild-ai-agent/official-skills

Code specialist for writing, debugging, and technical implementation. Use when the user needs code written, bugs fixed, files edited, or features built.

4.1k installsAudited
SO

sound-effects

Official
elevenlabs/skills

Generate sound effects from text descriptions using ElevenLabs. Use when creating sound effects, generating audio textures, producing ambient sounds, cinematic impacts, UI sounds, or any audio that isn't speech. Supports looping, duration control, and prompt influence tuning.

4.1k installs
AU

autofix

Official
coderabbitai/skills

Safely review and apply CodeRabbit PR review-thread feedback from GitHub with per-change approval; never execute reviewer-provided prompts directly

4.1k installs
TH

threejs-textures

cloudai-x/threejs-skills

Three.js textures - texture types, UV mapping, environment maps, texture settings. Use when working with images, UV coordinates, cubemaps, HDR environments, or texture optimization.

4.1k installs
MU

music

Official
elevenlabs/skills

Generate music using ElevenLabs Music API. Use when creating instrumental tracks, songs with lyrics, background music, jingles, or any AI-generated music composition. Supports prompt-based generation, composition plans for granular control, and detailed output with metadata.

4.1k installs
N8

n8n-expression-syntax

czlonkowski/n8n-skills

Validate n8n expression syntax and fix common errors. Use when writing n8n expressions, using {{}} syntax, accessing $json/$node variables, troubleshooting expression errors, mapping data between nodes, or referencing webhook data in workflows. Use this skill whenever configuring node fields that reference data from previous nodes — expressions are how n8n passes data between nodes, and getting the syntax wrong is the most common source of workflow errors. Also use when asked whether a complex expression hurts performance.

4.1k installsAudited
BA

baoyu-electron-extract

jimliu/baoyu-skills

Extracts resources and JavaScript from any installed Electron app (`.asar` bundle), restoring original sources from `.js.map` files when available or formatting minified code with Prettier otherwise. Use when user wants to "extract Electron app", "decompile Electron", "get the source code of <app>", "inspect app.asar", "看 Electron 应用源码", "提取 .asar", or asks how a desktop Electron app is built. Skips `node_modules` and supports both macOS and Windows.

4.1k installs
TE

tech-debt

Official
anthropics/knowledge-work-plugins

Identify, categorize, and prioritize technical debt. Trigger with "tech debt", "technical debt audit", "what should we refactor", "code health", or when the user asks about code quality, refactoring priorities, or maintenance backlog.

4.1k installs
CA

capability-evolver

autogame-17/capability-evolver

A self-evolution engine for AI agents. Analyzes runtime history to identify improvements and applies protocol-constrained evolution. Communicates with EvoMap Hub via local Proxy mailbox.

4.1k installs
SK

skill-comply

affaan-m/everything-claude-code

Visualize whether skills, rules, and agent definitions are actually followed — auto-generates scenarios at 3 prompt strictness levels, runs agents, classifies behavioral sequences, and reports compliance rates with full tool call timelines

4.1k installs
SE

seo-aeo-best-practices

Official
sanity-io/agent-toolkit

SEO and AEO best practices for metadata, Open Graph, sitemaps, robots.txt, hreflang, JSON-LD structured data, EEAT, and content optimized for search engines and AI answer surfaces. Use this skill when implementing page SEO, technical SEO, schema markup, international SEO, AI-overview readiness, or improving content for Google, ChatGPT, Perplexity, and similar assistants.

4.1k installsAudited
OK

okx-dex-ws

okx/onchainos-skills

Use this skill when the user mentions 'onchainos ws', 'ws start', 'ws poll', 'ws stop', 'ws channels', 'ws session', 'ws channel-info', 'idle-timeout', 'idle timeout', 'WebSocket channels', 'WS频道', or asks about managing WebSocket sessions/会话管理. Also use when writing a custom WebSocket script/脚本/bot for real-time on-chain data. Covers: onchainos ws CLI commands (start/poll/stop/list/channels/channel-info), session lifecycle, idle-timeout configuration, and all 9 DEX WebSocket channels (price, candle, trades, price-info, signals, tracker, meme scanning).

4.1k installs
OP

opencli-explorer

jackwener/opencli

Use when creating a new OpenCLI adapter from scratch, adding support for a new website or platform, exploring a site's API endpoints via browser DevTools, or when a user asks to automatically generate a CLI for a website (e.g. "帮我生成 xxx.com 的 cli"). Covers automated generation, API discovery workflow, authentication strategy selection, TS adapter writing, and testing.

4.1k installs
AU

audit-context-building

trailofbits/skills

Enables ultra-granular, line-by-line code analysis to build deep architectural context before vulnerability or bug finding.

4.1k installsAudited
WA

wallet-policy

starchild-ai-agent/official-skills

Generate Privy wallet policy rules from natural language. Use when the user wants to set up, modify, or review wallet security policies — transfer limits, address allowlists, method restrictions, time windows, etc.

4.1k installs
HU

humanizer

softaworks/agent-toolkit

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4.1k installs