# Code Block with Copy Button

> A chat-style message bubble containing a syntax-highlighted code snippet with a header showing the language, a button to toggle line wrapping, and a copy button that confirms once the code has been copied to the clipboard.

- Author: [mmrahmanbappi](https://21st.dev/@mmrahmanbappi)
- Library: mmrahmanbappi
- License: MIT
- Tags: Code Block, Copy Button, Clipboard, Chat
- Live preview: https://21st.dev/@mmrahmanbappi/components/code-block-copy

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/mmrahmanbappi/code-block-copy?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/code-block.md
