ModTweaker allows you to use minetweaker to change recipes for other mods.
Edit: This should allow you to craft the entropy shard with the fluid transposer. @Tpghost
mods.thermalexpansion.Transposer.addFillRecipe(2000, <TConstruct:toolShard:6>, <Thaumcraft:itemShard:5>, <liquid:water> * 100);