Agent skills for Claude Code

Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management.

This skill should be used for browser automation tasks using Chrome DevTools Protocol (CDP).

Automates browser interactions for web testing, form filling, screenshots, and data extraction.

Use when you need direct browser control - teaches Chrome DevTools Protocol for controlling existing browser sessions, multi-tab…

Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization.

Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management.

Implement PCI DSS compliance requirements for secure handling of payment card data and payment systems.

Browser automation with Playwright MCP. Use for web scraping, testing, screenshots, and browser interactions.

Implement Stripe payment processing for robust, PCI-compliant payment flows including checkout, subscriptions, and webhooks.

Master Unity ECS (Entity Component System) with DOTS, Jobs, and Burst for high-performance game development.

Automates content discovery, engagement, and publishing workflows for the Xiaohongshu (RedNote) social platform.

A margin-recovery diagnosis for a regional grocery chain — the governing thought, the driver tree, the priorities, and the roadmap.

Material 3 Expressive design patterns for Jetpack Compose - expressive theming, motion physics, shape morphing, typography emphasis, color…

Material and energy balance calculation skill for process design and troubleshooting

Google's comprehensive open-source design system providing guidelines, components, and tools for building high-quality digital experiences

Biomaterial constitutive model library skill providing validated material properties for biological tissues and implant materials

Material UI Installation and Setup (v9, 2026-08).

Create and manage materialized views using DataFusion.

Implements mathematical models into reproducible Python code, validates constraints against baselines, and generates publication-ready…

Analyzes mathematical modeling competition problems, resolves ambiguities, evaluates candidate models against baselines, and enforces…

Automates the end-to-end mathematical modeling workflow from problem interpretation and Python data analysis to LaTeX paper generation and…