I give up I don't use any more phbot noc how to make my trader sell when he arrives in the city because my server uses capcha

I give up I don’t use any more phbot noc how to make my trader sell when he arrives in the city because my server uses capcha

You can’t without a plugin to send the captcha off to some external service and type the answer in. This is not an easy task.

What complement do I have to use?