# Astryx Code Block

> Fenced code block with syntax highlighting. Use for multi-line code snippets.

- Author: [Astryx](https://21st.dev/@Astryxdesign)
- License: mit
- Tags: Block, Code
- npm dependencies: @astryxdesign/core
- Live preview: https://21st.dev/@Astryxdesign/components/astryx-code-block

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/Astryxdesign/astryx-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/block.md