# Tab Coordinator

> A panel that elects a single leader among a page's open browser tabs using the Web Locks API (falling back to a localStorage heartbeat), and shows a live log of peer tabs and messages passed between them over BroadcastChannel.

- Author: [klyv-ui](https://21st.dev/@klyv-ui)
- Library: Klyv-UI
- License: MIT
- Tags: Tabs
- Live preview: https://21st.dev/@klyv-ui/components/tab-coordinator

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/klyv-ui/tab-coordinator?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/tabs.md