SKILL.md files package domain expertise into something any AI agent can use. Drop one into your project and your agent learns how to process PDFs, design interfaces, write tests, or whatever the skill teaches.
1279 skills
Use when tasks involve creating, editing, analyzing, or formatting spreadsheets (`.xlsx`, `.csv`, `.tsv`) using Python (`openpyxl`, `pandas`), especially when formulas, references, and formatting need to be preserved and verified.
Extract transcripts from YouTube videos and generate comprehensive, detailed summaries using intelligent analysis frameworks
Python development principles and decision-making. Framework selection, async patterns, type hints, project structure. Teaches thinking, not copying.
Use when the user asks to generate or edit images via the OpenAI Image API (for example: generate image, edit/inpaint/mask, background removal or replacement, transparent background, product shots, concept art, covers, or batch variants); run the bundled CLI (`scripts/image_gen.py`) and require `OPENAI_API_KEY` for live calls.
You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.
Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.
AI-powered browser automation for Claude Code. Control real web browsers directly from Claude -- navigate websites, fill forms, extract data, inspect accessibility trees, and automate multi-step workflows. - Chrome or Chromium installed on your system - Python 3.12+ with uv package manager - Claude Code CLI This installs the MCP server, 5 skills, and auto-enables the plugin. Restart Claude Code to
A comprehensive collection of 146+ ready-to-use scientific and research skills (now including financial/SEC research, U.S. Treasury fiscal data, OFR Hedge Fund Monitor, and Alpha Vantage market data) for any AI agent that supports the open Agent Skills standard, created by K-Dense. Works with Cursor, Claude Code, Codex, and more. Transform your AI agent into a research assistant capable of executi
Writes SEO-optimized content based on provided keywords and topic
Documentation templates and structure guidelines. README, API docs, code comments, and AI-friendly documentation.
Build accessible design systems with Radix UI primitives. Headless component customization, theming strategies, and compound component patterns for production-grade UI libraries.
Create 3D scenes, interactive experiences, and visual effects using Three.js. Use when user requests 3D graphics, WebGL experiences, 3D visualizations, animations, or interactive 3D elements.
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
Assists in writing high-quality content by conducting research, adding citations, improving hooks, iterating on outlines, and providing real-time feedback on each section. Transforms your writing process from solo effort to collaborative partnership.
Create Mermaid diagrams for flowcharts, sequences, ERDs, and
A 165K-line financial intelligence platform that turns Reddit into structured options trade ideas. Built solo in 9 days. The first financial intelligence MCP server in existence. Connect Claude, Cursor, or any MCP-compatible AI to live trading signals, sentiment analysis, and unusual options activity — in one line of config. ROT is the world's first financial intelligence MCP server. No other MCP
Review UI code for Web Interface Guidelines compliance. Use when asked to "review my UI", "check accessibility", "audit design", "review UX", or "check my site against best practices".
Create SEO-optimized marketing content with consistent brand voice. Includes brand voice analyzer, SEO optimizer, content frameworks, and social media templates. Use when writing blog posts, creating social media content, analyzing brand voice, optimizing SEO, planning content calendars, or when user mentions content creation, brand voice, SEO optimization, social media marketing, or content strategy.
English · 简体中文 ![][github-contributors-shield] ![][github-forks-shield] ![][github-stars-shield] ![][github-issues-shield] A powerful IntelliJ IDEA plugin that provides a visual interface for Claude Code and OpenAI Codex dual AI tools, making AI-assisted programming more efficient and intuitive. - Claude Code - Anthropic's official AI programming assistant, supporting Opus 4.5 and other models - O
Mobile game development principles. Touch input, battery, performance, app stores.
Design Skill OS is not just a document; it's a professional-grade reasoning layer that transforms standard AI outputs into elite-level design masterworks. We have exhaustively synthesized principles from the "Design Bibles" to prime your AI agent with the strategic intent of a world-class Creative Director. The intelligence core is distilled from the collective wisdom of masters: - Milton Glaser (
Expert guide for creating effective prompts for Google Stitch AI UI design tool. Use when user wants to design UI/UX in Stitch, create app interfaces, generate mobile/web designs, or needs help crafting Stitch prompts. Covers prompt structure, specificity techniques, iteration strategies, and design-to-code workflows for Stitch by Google.
Open-source Agent Skills for computational materials science and numerical simulation workflows. Give your AI coding agent domain expertise in numerical methods, simulation best practices, and scientific computing -- without re-explaining the same concepts every session. Skills are portable across Claude Code, Codex, Gemini CLI, Cursor, VS Code Copilot, and 20+ other compatible tools. - The Proble
Static Application Security Testing (SAST) for code vulnerability