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You can also use the summary tools.

https://summarytools.cc/dashboard

Simply enter your username, the YT channel, add some tags, and fetch. It will pull up the videos for that channel and you simply hit copy and it put in a thread.

It will handle all the tagging for you.

post the YouTube video link and then !summarize.

But do I need to be included in some whitelist or something? I tried it but didn't get any replies

No.

Do you have a link to the thread you tried it on. I hit it pretty hard this morning so that is a queue

I often check if I am not getting anything to see if the bot is working. If I see it is working then I know I am likely in the queue.

https://hive.blog/@ai-summaries/comments