Skype bot for search
If you have not published your bot on skype, you cannot add it as a contact by searching for it. To add a bot to your Skype contact, you need to visit the azure portal → bot service → channels → skype.
This will redirect you to a page where you can add this bot as a contact.
Click on the link to add.
You can also add a bot to Skype by simply following the link https://join.skype.com/bot/Your-Bot-Id
source to share