It is a simple but effective plugin. Stops spam bots by checking browser content. You can also add an ip address to the blacklist.

Free. Block bad bots, control AI crawlers and review bot traffic with local detection and configurable rules, without CAPTCHAs.

Block AI crawlers and bad bots, rate-limit scrapers, manage robots.txt and llms.txt, and stay visible in Google, Bing and AI search answers.