# AI Answer with Citations

> An answer where every claim carries a numbered source. Hover, focus or tap a number to see where the line came from; the sources are listed underneath. Built on Radix Tooltip. From the Midnight Lite template (MIT).

- Author: [Vilqor](https://21st.dev/@vilqor)
- License: mit
- Tags: Tooltip, Card, Text, AI
- npm dependencies: clsx, tailwind-merge, @radix-ui/react-tooltip
- Live preview: https://21st.dev/@vilqor/components/cited-answer

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/vilqor/cited-answer?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/tooltip.md