# Webcam test

- Human page: https://happytails.ai/en/device-tools/webcam-test/
- Markdown: https://happytails.ai/en/device-tools/webcam-test.md
- Structured JSON: https://happytails.ai/agents/en/device-tools/webcam-test/index.json
- Visibility: public

## Tool capabilities

| Property | Value |
| --- | --- |
| Tool ID | `webcam-test` |
| Category | device-tools |
| Implementation | Registered implementation. Registration alone is not a production-quality guarantee. |
| Browser execution | Use the visible action or interactive controls. |
| Browser processing | Browser; see tool notes for network behavior. |
| HTTP API | Not callable through HTTP. |
| Browser-agent interface | No callable WebMCP interface. |

### Implementation notes

Permission is requested only after Start. Captures stay in your browser. Stop ends device access. Browser support and available audio sources vary.

### Inputs and settings

No free-text input is required. Use the file inputs and/or settings below.

No additional settings are declared for this tool.

### Planning specification

User-initiated camera permission, local preview and track shutdown; no recording default.

This describes intended requirements. Use the implementation notes, interface schema and observed output to determine current support.

### Complete machine-readable capability record

```json
{
  "id": "webcam-test",
  "category": "device-tools",
  "built": true,
  "requirements": "User-initiated camera permission, local preview and track shutdown; no recording default.",
  "implementation": {
    "fields": [],
    "input": false,
    "note": "Permission is requested only after Start. Captures stay in your browser. Stop ends device access. Browser support and available audio sources vary.",
    "experience": {
      "automatic": false,
      "single": false,
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Up to 1,000,000 characters. Review the settings before running.",
      "action": null
    },
    "mode": "explicit",
    "interactive": true
  },
  "execution": "Browser interface",
  "api": null,
  "browser_agent": {
    "supported": false,
    "name": null,
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}
```

## Page guide

Preview your webcam in the browser.

## Useful next steps

- [Microphone test](https://happytails.ai/en/device-tools/microphone-test/): Check the input level from your microphone. ([Markdown](https://happytails.ai/en/device-tools/microphone-test.md))

- [Keyboard test](https://happytails.ai/en/device-tools/keyboard-test/): Check which key and modifier signals your browser receives. ([Markdown](https://happytails.ai/en/device-tools/keyboard-test.md))

- [Screen test](https://happytails.ai/en/device-tools/screen-test/): Inspect your screen using solid colors. ([Markdown](https://happytails.ai/en/device-tools/screen-test.md))

## How to use Webcam test

1. Choose Start and review the browser’s permission request.
2. Choose the intended device or screen, then check the preview or recording status.
3. Choose Stop when finished.

## What to expect

Preview your webcam in the browser. Access starts only after you choose Start and allow the browser request. Stop ends device access. Captures stay in this browser; available formats and audio sources depend on browser support.