Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot.

Production-grade engineering skills for AI coding agents.

Zero-runtime Stylesheets-in-TypeScript

A games launcher for GOG, Amazon and Epic Games for Linux, Windows and macOS.

Consistent dependency versions in large JavaScript Monorepos.

Speed up your package installation process, reduce your disk usage, and extend the lifespan of your precious SSD.

A opinionated starter template for building REST APIs with Express, Drizzle ORM and PostgreSQL.

The New Simple and Lighter CSS Reset

Showcase your skills on your Github readme or resumé with ease ✨

⚡️ TypeScript Execute | The easiest way to run TypeScript in Node.js

Github Action that generates a changelog with the Conventional Changelog CLI

Authentication for the Web.

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

JsonWebToken implementation for node.js http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html

connect/express middleware that validates a JsonWebToken (JWT) and set the req.user with the attributes

Node.js middleware for handling `multipart/form-data`.

List of JavaScript methods which you can use natively + ESLint Plugin

Cheatsheets for experienced React developers getting started with TypeScript

Browser extension that simplifies the GitHub interface and adds useful features

🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python…

Industry standard API mocking for JavaScript.

🐕 Simulate user events

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

🐏 Simple and complete React hooks testing utilities that encourage good testing practices.

🦉 Custom jest matchers to test the state of the DOM

A collective list of free APIs

ESLint configuration for projects that I do... Feel free to use this!

The recommended Code Splitting library for React ✂️✨

🤖 Headless UI for Virtualizing Large Element Lists in JS/TS, React, Solid, Vue and Svelte

Simple reusable React error boundary component