# Smart Tag Input

> A polished tag input with autocomplete, paste-to-split, duplicate protection, selected-backspace removal, keyboard support, and automatic light and dark theming.

- Author: [Kiki](https://21st.dev/@laziekiki)
- License: mit
- Tags: Autocomplete, Combobox, Form, Input, Tag
- Live preview: https://21st.dev/@laziekiki/components/smart-tag-input

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/laziekiki/smart-tag-input?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/autocomplete.md