# Budget Guard

> A spend/token/call budget tracker for an AI agent run that shows a soft warning threshold and a hard stop limit as distinct markers on a progress bar, so a team can tell a notification apart from an actual cap.

- Author: [astralyxdev](https://21st.dev/@astralyxdev)
- Library: astralyxdev
- License: MIT
- Tags: Agent, Budget, Progress Bar, AI
- npm dependencies: lucide-react
- Live preview: https://21st.dev/@astralyxdev/components/budget-guard

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/astralyxdev/budget-guard?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/agent.md