Tokyo’s Metropolitan Police Department has introduced an artificial intelligence tool that automatically gathers and analyzes social media posts that appear to offer “dark” part-time jobs, it announced Tuesday.

For example, if a post on X is deemed to be an offer for shady jobs, police post a reply warning users the message in question may contain inappropriate content soliciting people who are prepared to do illicit part-time jobs.

The number of such warning posts made between August and November this year came to around 18,500, more than double the roughly 8,800 replies made in the entire year of 2024.

Until now, Tokyo police had identified suspicious posts by manually searching for such messages using keywords.

After the police introduced the AI tool at the end of July this year, however, the number of warning posts per day skyrocketed to about 150 from some 25 before the introduction.

The department hopes to also use the tool for Threads and other social media platforms.

AloJapan.com