ExtendedSupport is an addon for ModTweaker, which allows you to customize recipes for previously unsupported mods.

Currently supported mods

Atomic Reconstructor:
//OutputStack, InputStack/OreDict, Energy(RF)
mods.actuallyadditions.AtomicReconstructor.addRecipe(<minecraft:fire_charge>, <minecraft:coal:1>, 1000);
//OutputStack
mods.actuallyadditions.AtomicReconstructor.removeRecipe(<minecraft:fire_charge>);
//OutputStack, InputStack
mods.actuallyadditions.AtomicReconstructor.removeRecipe(<minecraft:fire_charge>,<minecraft:coal:1>);
//No arguments
mods.actuallyadditions.AtomicReconstructor.removeAll()

Ball of Fur:
//OutputStack, Chance
mods.actuallyadditions.BallOfFur.addReturn(<minecraft:string>, <minecraft:coal:1>, 5);
//OutputStack
mods.actuallyadditions.BallOfFur.removeReturn(<minecraft:coal>);
//No arguments
mods.actuallyadditions.BallOfFur.removeAll()

Crusher:
//OutputStack, InputStack, (optional)Output2Stack, (optional)Output2Chance mods.actuallyadditions.Crusher.addRecipe(<minecraft:iron_ingot>, <minecraft:iron_ore>, <minecraft:stone>, 50);

//InputStack/OreDict
mods.actuallyadditions.Crusher.removeRecipe(<minecraft:gold_ore>);
//No arguments
mods.actuallyadditions.Crusher.removeAll()

Treasure Chest:
//LootStack, Chance, MinAmount, MaxAmount
mods.actuallyadditions.TreasureChest.addLoot(<minecraft:dirt>, 50, 1, 64);
//LootStack
mods.actuallyadditions.TreasureChest.removeLoot(<minecraft:gold>);
//No arguments
mods.actuallyadditions.TreasureChest.removeAll()

Matter Overdrive:

Inscriber:
//InputStack1, InputStack2, OutputStack, Energy(RF), Time(in ticks)
mods.mo.Inscriber.addRecipe(<minecraft:golden_apple>,<minecraft:potion:8225>,<minecraft:golden_apple:1>,1000,20);
//InputStack1, InputStack2 mods.mo.Inscriber.removeRecipe(<mo:isolinear_circuit>,<minecraft:gold_ingot>);
//No arguments
mods.mo.Inscriber.removeAll();

Please report all issues to github.