Bukkit

This plugin utilizes Hidendra's plugin metrics system, which means that the following information is collected and sent to mcstats.org:

• A unique identifier
• The server's version of Java
• Whether the server is in offline or online mode
• The plugin's version
• The server's version
• The OS version/name and architecture
• The core count for the CPU
• The number of players online
• The Metrics version
• The number of checkers boards on the server
• The number of checkers games in progress on the server

No player information (player name or UUID) of any kind is collected.

Opting out of this service can be done by editing plugins/Plugin Metrics/config.yml and changing opt-out to true.