Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answers. Library, proxy, MCP server.

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

babylon.js mmd loader and runtime

An experimental game engine in MoonBit.

MMD_modoki

🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl!

Watch SQL traffic in real-time with a TUI

A Git subcommand that makes `git worktree` simple

Superdiff provides a rich and readable diff for arrays, objects, texts and coordinates. It supports stream and file inputs for handling large datasets efficiently, is battle-tested, has zero depend…

WebAuthn, Simplified. A collection of TypeScript-first libraries for simpler WebAuthn integration. Supports modern browsers, Node, Deno, and more.

A node.js library for performing FIDO 2.0 / WebAuthn server functionality

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

🌱 Construct Merkle Trees and verify proofs in JavaScript. By @miguelmota

Library of basic circuits for circom

A monorepo of reusable libraries for zero-knowledge technologies.

Unity-like DirectX framework for learning

A simple yet powerful JSON rule processing engine for JavaScript

Lightweight rule engine, written in typescript

Experimental: Declarative UI Framework for Moonbit

zkSnark circuit compiler

zkSNARK implementation in JavaScript & WASM

Auditable & minimal JS implementation of public-key post-quantum cryptography

Turso is an in-process SQL database, compatible with SQLite.

SQLite Wasm compiled with automatically initialized sqlite-sync and sqlite-vector extensions. Conveniently packaged as an ES Module for effortless integration.

The fastest and simplest library for SQLite3 in Node.js.

Lightweight fuzzy-search, in JavaScript

Parse, generate, and process the CBOR format from JavaScript.