# Chat Composer

> A chat message composer with an auto-growing textarea, a live voice-recording waveform, attachment chips, and a single action button that adapts between send, stop, and continue.

- Author: [lettuceai](https://21st.dev/@lettuceai)
- Library: LettuceAI
- License: MIT
- Tags: Composer, Chat Input, Message Input, Attachment
- npm dependencies: lucide-react, framer-motion
- Live preview: https://21st.dev/@lettuceai/components/composer

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/lettuceai/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 · More like this: https://21st.dev/community/components/s/composer.md