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

A lightweight AWS service emulator written in Go

A collection of core PEGjs grammars (IETF, ISO, etc.)

A curated collection of fun and creative examples generated with Nano Banana & Nano Banana Pro🍌, Gemini-2.5-flash-image based model. We also release Nano-consistent-150K openly to support the commu…

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

A drop-in replacement for react-markdown, designed for AI-powered streaming.

Declarative CLI Version manager written in Go. Support Lazy Install, Registry, and continuous update with Renovate. CLI version is switched seamlessly

Prompt Orchestration Markup Language

monorepo for Hono third-party middleware/helpers/wrappers

OpenID Connect (OIDC) and OAuth2 protocol support for browser-based JavaScript applications

📄 PDF extraction and rendering across all JavaScript runtimes

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Query and manipulate JavaScript objects with JSONPath expressions. Robust JSONPath engine for Node.js.

Effortlessly compose, extend, and observe every service in real-time for the first time ever.

beautifully crafted animated icons

From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

📆 Parse, format, manipulate, and internationalize dates and times in JavaScript and TypeScript.

Rust grammar for tree-sitter

JSON language service extracted from VSCode to be reused, e.g in the Monaco editor.

Peggy: Parser generator for JavaScript

A Compliance Test Suite for the JSONPath Internet Draft

The AWS Amplify CLI is a toolchain for simplifying serverless web and mobile development.

Diagrams as code: declarative configurations using YAML for drawing cloud system architectures.

Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understand…

Nintendo Switch Online/Parental Controls app APIs. Show your Nintendo Switch presence in Discord, get friend notifications on desktop, and download and access SplatNet 2, NookLink, SplatNet 3 and P…

Google Cloud Product Cataloging Solution using Generative AI

Open Source LLM proxy that transparently captures and logs all interactions with LLM API

Deploy a NextJS application using AWS CDK

Gather around the table, and have a discussion to catch up the latest trend of machine learning 🤖