# Activity Heatmap

> A GitHub-style contribution calendar that shows a year of daily activity as one tinted square per day, with hover/keyboard tooltips and a level legend.

- Author: [kuratlielia](https://21st.dev/@kuratlielia)
- Library: kuratlielia
- License: MIT
- Tags: Heatmap, Calendar, Contribution Graph, Activity, Data Visualization
- npm dependencies: motion
- Live preview: https://21st.dev/@kuratlielia/components/activity-heatmap

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/kuratlielia/activity-heatmap?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/heatmap.md