# Second Opinion Addition

> A small annotation block attached under an AI answer that flags a point a second model added which the first answer missed.

- Author: [redrob-labs](https://21st.dev/@redrob-labs)
- Library: redrob-labs
- License: MIT
- Tags: AI, Annotation
- Live preview: https://21st.dev/@redrob-labs/components/opinion-added

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/redrob-labs/opinion-added?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/ai.md