React and Next.js performance guidance for writing, reviewing, and refactoring production UI code.

Run your GitHub Actions locally 🚀

A curated list of resources and tools for enhancing Claude AI workflows.

A comprehensive toolkit for enhancing GitHub Copilot with specialized agents, instructions, and workflows.

A comprehensive set of 38 marketing skills and 5 commands for Claude Code covering SEO/GEO and influencer marketing with evaluation frameworks.

Build browser agents with natural language actions

Automate a real browser from the terminal for navigation, form filling, snapshots, screenshots, extraction, and UI-flow debugging.

Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy. Default to flagging; approval is earned.

This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.

CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots.

Kubernetes controller for GitHub Actions self-hosted runners

A comprehensive C code style guide packaged as an AI agent skill with clang-format integration, enabling agents to write, edit, and format C code consistently.