Arbitrary precision modular arithmetic, cryptographically secure random numbers and strong probable prime generation/testing. It works in modern browsers, Angular, React, Node.js, etc. since it uses the native JS implementation of BigInt
Shared utilities for the various component testing adapters
Multiplexer for opencode AI coding agent sessions
hint that that checks using axe for accessibility related best practices
Fela plugin preset for web applications
SharePoint Framework support for building client-side components
Web Assembly streaming Ogg Vorbis decoder
OpenTUI is a TypeScript library on a native Zig core for building terminal user interfaces (TUIs)
Safely and quickly serialize JavaScript objects
OpenCode plugin for Sage prompts, skills, libraries, capture, suggestions, and value-network workflows
A client-side library to make absolutely positioned elements attach to elements in the page efficiently.
A fast, efficient parser for multipart streams in any JavaScript environment
Opinionated OpenCode agent harness — PRIME, plan, build, QA, skills, MCP wiring, hashline editing.
OpenCode plugin and CLI for expanding Markdown prompt templates.
A 3D framework for the web, built on top of Svelte and Three.js
The SDK for interacting with [C2PA metadata](https://c2pa.org/) on the web.
Avo Inspector for web with SSR and web workers support
MCP-only server for running local Claude, Codex, Gemini, Forge, OpenCode, and Antigravity CLI agents as background jobs
Custom element (web component) for the YouTube player.
SharePoint Framework support for dynamic data bindings
Bun-compiled claudio-cli binary for darwin/x64. Installed automatically by claudio-cli.
A collection of self-contained agent skills that streamline common developer workflows and reduce token usage. Install in Claude Code via the plugin marketplace, or vendor into any agent harness with npx.
opencode plugin for Anthropic Console API keys (sk-ant-api03-...) that require Claude Code client attestation.
A browser-safe API wrapper