Super Brain can consume web URLS including Youtube URLs.
For a complete walkthrough of adding web pages to Super Brain, refer to this video:
https://youtu.be/yU6FY-fdxVY?si=Wh2-vfgiKXwEFtB-
Go to your Super Brain dashboard and select the “Web Pages” tab.
Then click “Add Webpage.”

Paste the URL of the webpage or YouTube link you want to index and click “Add.”

Once you add a parent page (for example, https://elephas.app/), you’ll see an option for “Fetch Recursive.”

This feature scans the parent webpage and lists all internal links on the right panel — letting you choose which related pages to include.
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Fetch Recursive can parse all links on that page and list them in the next panel for you to pick. This will be handy if you want to relate content to the parent page.
The Fetch One-Level feature is exclusively available to users on the Pro plan.
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For the “https://elephas.app/” parent page, this is what I see,