Agent skills for Obsidian. Teach your agent to use Markdown, Bases, JSON Canvas, and use the CLI.

TakeScreenshot.app is a simple web application to render website screenshots without signing up and for free.

We write your reusable computer vision tools. 💜

Cross-platform desktop notifications for Claude Code, Codex, and Gemini CLI. Install via Homebrew, npm, or script.

AI-safe .env files: Schemas for agents, Secrets for humans.

Next generation LLM evaluation framework powered by Vitest.

a fast, modern browser for the npm registry

Fetch source code for npm packages to give AI coding agents deeper context

Point at any URL/YouTube/Podcast or file. Get the gist. CLI and Chrome Extension.

The data primitive for the agent loop.

Minimalistic, opinionated, and predictable release automation tool.

Mock APIs in Playwright using Mock Service Worker.

Minimal, clean code for the Byte Pair Encoding (BPE) algorithm commonly used in LLM tokenization.

Generate images of code and terminal output 📸

Prime number projects in 100+ programming languages, to compare their speed - and their programmer's cleverness

A full-featured, hackable Next.js AI chatbot built by Vercel

A simple, safe, JavaScript Filter Expression compiler for end-users

This repository contains code associated with an AWS a blog which demonstrates how you can accept API keys as a query string parameter in Amazon API Gateway.

RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions.

esbuild-wasm

Ultra-lightweight JavaScript engine for the Internet of Things.

Create boxes in the terminal

Terminal session recorder, streamer and player 📹

Effortlessly build beautiful command-line apps

📦 A unified JavaScript build system

The simplest, fastest repository for training/finetuning medium-sized GPTs.

🌆 Elegant CLI Builder

All essential TypeScript types in one place 🤙

node.js command-line interfaces made easy