# Prompt Composer

> An AI chat composer: slash-command palette, drag/paste file attachments with previews, model picker, and a send button that morphs into stop while a reply streams. Four variants.

- Author: [Victor](https://21st.dev/@victor-teles)
- Library: [Uai](https://21st.dev/@victor-teles/library/uai)
- License: mit
- npm dependencies: clsx, lucide-react, tailwind-merge, class-variance-authority
- Live preview: https://21st.dev/@victor-teles/components/prompt-composer

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/victor-teles/prompt-composer?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