I think the Atomic Disassembler from Mekanism should count as a shovel/multitool and therefore prevent Dire Slimes from spawning.

I think this has already been fixed. Are you using the latest version?
On 17/09/2015 7:06 PM, "zzApotheosis" [email protected] wrote:

I think the Atomic Disassembler from Mekanism should count as a
shovel/multitool and therefore prevent Dire Slimes from spawning.

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#109.

Yes, I have version 1.0.15.32. Dire Slimes have a chance of spawning when dirt is harvested with an Atomic Disassembler.

https://drive.google.com/file/d/0B_wljXPJi507T1FqOXo3LWthekE/view?usp=sharing