# File Tree

> A file tree for the changes an agent makes: added, modified, deleted and renamed files get letters and line counts, changed folders carry a dot, and arrow keys move through it. Each file opens beside the tree.

- Author: [Aadi](https://21st.dev/@aadixc0de)
- Library: [chatcn](https://21st.dev/@aadixc0de/library/chatcn)
- License: mit
- Tags: File Tree, Agent, Devtool, Explorer
- npm dependencies: @tanstack/react-virtual
- Live preview: https://21st.dev/@aadixc0de/components/file-tree

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/aadixc0de/file-tree?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/file-tree.md