# Field Validity Inspector

> An email form field that displays the input's live HTML validation state as a JSON inspector, showing validity flags and error messages in real time.

- Author: [Cnippet](https://21st.dev/@cnippet.dev)
- Library: [Cnippet](https://21st.dev/@cnippet.dev/library/cnippet)
- License: no-license
- Tags: Field, Form, Validation, Input, Email
- Live preview: https://21st.dev/@cnippet.dev/components/field-validity-inspector

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/cnippet.dev/field-validity-inspector?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/field.md