# Code Block

> A code snippet display with an optional file-name caption, a language label and a copy-to-clipboard button.

- Author: [kevingirelli](https://21st.dev/@kevingirelli)
- Library: @delego
- License: MIT
- Tags: Code Block
- Live preview: https://21st.dev/@kevingirelli/components/code-block

## Install

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