One script tag
Embed on any site with a <script> and a <link> tag, or use the React
component. Auto-updating CDN channel included.
Claudius
An open-source, embeddable AI chat widget powered by Claude. Drop it into any website with a single script tag.
Try it right now
Section titled “Try it right now”This page runs a live Claudius widget. Click the chat bubble in the corner and say hello — that’s exactly what your visitors get.
Your backend, your key
A small Cloudflare Worker (Hono + Anthropic SDK) keeps your API key server-side, with KV rate limiting and optional D1 analytics.
Accessible and fast
WCAG 2.1 AA, focus trap, keyboard navigation, reduced-motion aware. ~150 KB gzipped JS + 3 KB CSS.
Configurable
Themes, brand colors, proactive triggers, four bundled locales, custom translations, and per-client config files with a CLI.