TickScope

Reliability and safer defaults

• /tickscope reload is now failure-safe and preserves event counters across reloads.
• Fixed duplicate event listeners and leaked HTTP executor threads.
• Fresh installs now bind to 127.0.0.1 by default. Docker users can explicitly select 0.0.0.0.
• Invalid endpoint settings are rejected, and failed rebinds restore the previous working endpoint.

New metrics and diagnostics

• Added mc_tickscope_info with TickScope, Paper, and Java versions.
• Added mc_entity_collection_duration_seconds for the entity-by-type scan.
• /tickscope status now shows the active endpoint and collection intervals.
• mc_collection_duration_seconds now covers the full main-thread collection.

HTTP and testing

• The endpoint now handles GET and HEAD explicitly, returns 405 for unsupported methods, and does not serve child paths accidentally.
• Added automated tests and CI builds on Java 17, 21, and 25.

One dependency-free jar supports Paper 1.18.2 through 26.2 on Java 17 or newer. Existing configuration files remain compatible.