From the Cloudflare blog:

To help preserve a safe Internet for content creators, we’ve just launched a brand new “easy button” to block all AI bots. It’s available for all customers, including those on our free tier. […]

We hear clearly that customers don’t want AI bots visiting their websites, and especially those that do so dishonestly. To help, we’ve added a brand new one-click to block all AI bots. It’s available for all customers, including those on the free tier.

Nice idea, and one that only a company like Cloudflare seems likely to do well. Seems like a no-brainer to implement this if you’re on the fence about AI content scraping.