Do you want Mastodon to automatically hide certain kinds of posts?
Or do you want Mastodon to automatically place certain kinds of posts behind a content warning that you can click open?
You can do both of these things by using Mastodon's filters feature. Filters lets you automatically hide posts with particular words, phrases, hashtags, links or emoji in them. More info on how to create and use filters in the guide at:
➡️ https://fedi.tips/filtering-your-timeline-to-hide-posts-on-mastodon

Filtering your Mastodon timeline to automatically hide posts containing certain words, phrases, hashtags, links or emoji | Fedi.Tips – An Unofficial Guide to Mastodon and the Fediverse
An unofficial guide to using Mastodon and the Fediverse
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