Protocol 6 Agar.io client for private servers
If you need extra help with anything you should ask it in the Agar.io Private Servers Discord and not in issues.
Locate the select element in the index.html and add new entries, make sure to only have one option with selected
Upload your PNG files to the skins folder and run the updateSkinList file in the root directory, you can also do it manually by putting the skin names in web/skinList.txt separated by commas (no file extension).
Check out issue 1