Anything above 15 CPS in 1.8.9 vanilla is usually "ghost clicked" (The server registers the hits, but your animation lags). Keep it between 11 and 14.
Example: Setting Exelon to 12–15 CPS with moderate randomization may evade casual detection but will likely be flagged during tournament or ranked play.
A well‑designed autoclicker for Minecraft 1.8.9 should include the following essential features:
