# Basic Prompt Box

> A clean chat-style prompt textarea that auto-grows, enables its send button only when there's text, submits on Enter (Shift+Enter for a new line), and appends sent messages to a log above it. Ported to React from MM Rahman Bappi's 100 Free AI UI Components (MIT).

- Author: [mmrahmanbappi](https://21st.dev/@mmrahmanbappi)
- Library: mmrahmanbappi
- License: MIT
- Tags: Prompt Input, Chat Input, Textarea, AI Chat
- Live preview: https://21st.dev/@mmrahmanbappi/components/basic-prompt-box

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/mmrahmanbappi/basic-prompt-box?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/prompt-input.md