User data collected includes:
- Your Minecraft username at time of signup
- Your unique Minecraft UUID
- Microsoft OAuth tokens required to speak to Mojang's API
Any other personally identifiable data that may be sent is not permenantly logged.
Other, non-PII data includes the server-related configuration when adding a new server to create invites, which includes the address of the server, the address of the RCON server, and the RCON password, in addition to a custom server name.