When I was in the 11th grade, I used to attend paid diagnostics at MCKO, but registration was through the website, which meant that slots for good times and dates were quickly taken. To prevent this, MCKO Tracker was created, which monitored available slots and sent them to a special Telegram chat via a bot.
It is written in PHP and can be easily hosted on a server, after which simply add it to the cron job schedule.
Download it hereWork demonstration:
