Microphone test | agent view

The same page content and links, with explicit tool capabilities. Tools marked with an API can run directly through HTTP. Other tools require the browser interface or are not connected yet.

Tool capabilities

{
  "id": "microphone-test",
  "category": "device-tools",
  "built": true,
  "requirements": "User-initiated permission, local level/playback and stop controls; test browser support.",
  "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

Check the input level from your microphone.

Useful next steps

Webcam test

Preview your webcam in the browser.

Keyboard test

Check which key and modifier signals your browser receives.

Screen test

Inspect your screen using solid colors.

How to use Microphone test

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