Z-ZERO MCP Server — Secure JIT Virtual Card Payment tools for AI Agents (Claude, Cursor, AutoGPT) — Real Single-Use Virtual Cards, settled in USDC on Base

An arbitrary length integer library for Javascript

HTTP message parser and builder

An absurdly small glob matcher that packs a punch.

Tests whether one path is inside another path

Use sign and abs functions in CSS

Fast, lightweight JSON Schema validator for Node.js and browsers — full support for draft-04, draft-06, draft-07, draft-2019-09, and draft-2020-12 (latest)

Stringify an object sorting scalars before objects, and defaulting to 2-space indent

A drop-in replacement for new RegExp() with types

TypeScript-first schema declaration and validation library with static type inference

Reduce z-index values with PostCSS.

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

Json Schema Type Builder with Static Type Resolution for TypeScript

Is this value negative zero? === will lie to you

A skip list implementation inspired by the Sorted Set in Redis.

Get the package name from a folder path

A tiny, efficient fuzzy matcher that doesn't suck

generate TypeScript types from your Zod schema

React renderer for @json-render/core. JSON becomes React components.

The Linux IBM Z 64-bit Big Endian binary for esbuild, a JavaScript bundler.