
Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
Headless browser automation CLI for AI agents. Use for web scraping, testing, form filling, screenshots, and any browser interaction. Triggers: "browse", "open website", "click button", "fill form", "screenshot", "scrape", "test login flow", "automate browser", "web automation".
Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management. Use when implementing subscription billing, automating invoicing, or managing recurring payment systems.
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, or extract information from web pages.
Build and test Python applications using the Claude Agent SDK. Use when creating agent applications, custom MCP tools, permission handlers, lifecycle hooks, or multi-turn conversations. Covers query(), ClaudeSDKClient, @tool decorator, create_sdk_mcp_server(), hooks, permissions, and independent app testing patterns.
Review code for security, quality, and maintainability with structured feedback
Expand and enrich documentation using DeepWiki (GitHub repos) and Context7 (libraries). Use when the user wants to research a library/framework, expand existing docs, generate comprehensive documentation from questions, or fill gaps in markdown files. Generates research questions, queries multiple sources, and synthesizes findings into structured documentation.
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks
Debug errors, analyze logs, identify root causes, and suggest fixes
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.
Git branching, commits, and PR workflow following GitFlow conventions
A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).
Create OmoiOS Improvement Proposals (OIPs) through an interactive workflow. Gathers context from the user via clarifying questions, researches relevant codebase files, then writes a complete proposal following the OIP template. Use when requesting "create a proposal", "write an OIP", "new proposal", "propose a feature", "OIP", "improvement proposal", or when the user wants to formally propose a product, architecture, or process change for OmoiOS.
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
Spec-driven development workflow for turning feature ideas into structured PRDs, requirements, designs, tickets, and tasks. Uses a state machine approach with EXPLORE → REQUIREMENTS → DESIGN → TASKS → SYNC phases. Each phase has validation gates, checkpointing, and session transcript support for cross-sandbox resumption.
Implement Stripe payment processing for robust, PCI-compliant payment flows including checkout, subscriptions, and webhooks. Use when integrating Stripe payments, building subscription systems, or implementing secure checkout flows.
Replace with description of the skill and when Claude should use it.
Generate comprehensive tests including unit, integration, and property-based tests
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
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.
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas
Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.
Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.
Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a GIF of X doing Y for Slack."
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.
Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks
Implement PCI DSS compliance requirements for secure handling of payment card data and payment systems. Use when securing payment processing, achieving PCI compliance, or implementing payment card security measures.
Create well-structured pull requests with proper descriptions and labels
Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.
Plan safe refactoring with dependency analysis, impact assessment, and rollback strategies
Spec-driven development workflow for turning feature ideas into structured PRDs, requirements, designs, tickets, and tasks. Uses a state machine approach with EXPLORE → REQUIREMENTS → DESIGN → TASKS → SYNC phases. Each phase has validation gates, checkpointing, and session transcript support for cross-sandbox resumption.
Spec-driven development workflow for turning feature ideas into structured PRDs, requirements, designs, tickets, and tasks. Uses a state machine approach with EXPLORE → REQUIREMENTS → DESIGN → TASKS → SYNC phases. Each phase has validation gates, checkpointing, and session transcript support for cross-sandbox resumption.