CatalystAnalytics is the bundled Bukkit/Paper-style plugin used by Catalyst for server analytics. Catalyst can install it automatically for Paper and Purpur servers.
Current integration mode
Catalyst reads the plugin’s local analytics.json file. No REST API is required for the desktop app integration.
Files
Tracked data
UUID, name, online state, first join, last join, join count, playtime, client version, client brand, operating system, chat count, command count, deaths, kills, blocks placed, and blocks broken.
Current online players, peak online, unique players, total joins, new players, returning players, uptime, current TPS, current MSPT, memory used, and memory max.
Player count timeline, TPS history, MSPT history, memory history, hourly joins, version distribution, client distribution, and operating system distribution.
Configuration highlights
Commands
Permission:
Build the plugin
From the catalyst-plugin folder:
The project builds a CatalystAnalytics.jar artifact under build/libs/. The plugin targets Paper-compatible servers and declares api-version: 1.13. 