《▒ What It Does ▒》

Alex’s Mobs: Tweaks, or AMT, is a lightweight performance addon that fixes several expensive Alex’s Mobs and Citadel hot paths.

Some systems inside Alex’s Mobs do a LOT more work than needed. One example literally sorted an entire candidate list just to find the nearest valid mob xd.

AMT replaces those paths with cheaper exact alternatives and moves compatible background work through Quantified API’s controlled worker lanes.

The result is lower MSPT, fewer nasty tick spikes and more room for your server to breathe, while keeping the intended mob behaviour and results intact.

Same mobs, same behaviour, substantially less random CPU bullying :DDD

《▒ Real Server Performance ▒》

Paired Forge server test using the same persisted world, the same 372 entities and the same 60 second Spark window:

Both runs alr maintained 20 TPS, so the actual win is lower tick cost, much better p95 stability and a FAR smaller worst tick. Exact gains will ofc depend on your world, entity count and modpack.

《▒ Puffish Hot Path ▒》

One of the main fixes replaces Puffish’s full candidate sorting with one stable linear nearest candidate pass.

32,768 randomized correctness cases passed with the same nearest candidate and stable tie behaviour.

Developed by Admany, Maintained by ChaosCraft_HD - BlackRift Studios 2026