By linking a Minetest client to your Passbook its server-list will be automatically updated to include the worlds you join in MinePass.
1. Find and open minetest.conf in an editor
To locate this file please refer to the Minetest Wiki.
2. From any open world, click the "How to sync" link on the Dashboard
3. Copy the configuration line to your clipboard
4. Paste the link into serverlist_url in minetest.conf and save the file
4. Reopen your Minetest client and the server-list should be in-sync with your MinePass Passbook.