SDK for Pay'n Go — stablecoin payment links, routing, and gasless sponsorship on Ethereum Sepolia

An NPM/ Deno package which returns a quote by Zero Two from the anime DARLING in the FRANXX in string form.

Multi device wa bot created by Team Zero Two.

Spend guardrails and per-agent policies for x402 payments on Hedera — SQLite-backed, framework-agnostic.

Zero Two One — an agentic product framework that takes new products from point 0 (idea) to point 1 (MVP) via project-level refinement loops and Spec Kit-driven feature delivery.

Scaffold a new Hedera x402 payment gateway with spend guardrails in 30 seconds.

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

Parse an SMTP (RFC-5321) address

Infinite scroll component for React. Zero runtime dependencies, IntersectionObserver-based, TypeScript-first. Window scroll, fixed-height, and custom container modes. Pull-to-refresh and inverse (chat) scroll included.

Common Ethereum constants used for ethers.

Set a function's length property

Normalize Persian and Arabic-script text. Fold ZWNJ, Arabic yeh/kaf, three digit sets and diacritics into one comparable form — or clean text for storage without destroying it.

Zero dependency streaming tar parser and writer for JavaScript.

Operations for two-dimensional polygons.

Get the character index where a word must be broken to fit within a given display width.

User-facing permission presets (ctx.permissionPresets) for the DeepSeek Harness: one product-level Permissions select bundling the sandbox-mode and approval-policy knobs, written through to their own session events

Convert numbers to words in 50 languages (72 regional variants) with zero dependencies. Supports BigInt, decimals, and browser/Node.js environments.

Transform a string between `camelCase`, `PascalCase`, `Capital Case`, `snake_case`, `kebab-case`, `CONSTANT_CASE` and others

A JavaScript library that breaks strings into their individual user-perceived characters (including emojis!)

An AST parser for ICU MessageFormat strings