# Tool Group

> Collapsible header summarizing nested tool calls (files / searches / commands). State-driven (completed / pending streaming / interrupted) with shimmer label and elapsed time. Self-contained port from 21st.dev Agent Elements.

- Author: [Serafim](https://21st.dev/@serafimcloud)
- License: MIT
- Tags: Status, Agent, Collapsible
- npm dependencies: clsx, tailwind-merge
- Live preview: https://21st.dev/@serafimcloud/components/tool-group

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/serafimcloud/tool-group?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/status.md