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Single-player & private servers: zero risk
Vanilla Minecraft has no anti-cheat. Single-player worlds, LAN games, and private servers without anti-cheat plugins won't detect or care about auto-clicking.
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Hypixel + Mineplex: explicit ban
Major competitive servers detect AFK auto-clicking via interval-consistency checks. Don't run OP Auto Clicker on these — even at low CPS, the perfect interval consistency is a giveaway. Hypixel-specific guidance.
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Beat AFK kick timers
Most servers kick after 5–15 min of no input. Combination: run an AutoHotkey movement script (W key tap every 30s) alongside OP Auto Clicker handling the clicks. The server sees movement + clicks, doesn't see "AFK".
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Use a chunk-loader watchdog
If your farm depends on chunk loading, place a chunk-loader and set OP Auto Clicker to a low-CPS click anywhere — just enough to register input. This prevents server-side disconnect timers from kicking you.
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Disable Sleep Mode on Windows
Windows defaults to sleeping the PC after 30 min of no input. Settings → System → Power → Screen and sleep → set both to "Never" before starting an overnight farm.
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Test with a 30-min trial first
Before running an overnight farm, do a 30-minute test with the same settings. Watch for inventory issues, server kicks, or position drift. Catch problems before you lose 8 hours of progress.