diff --git a/src/main/java/com/cricketcraft/chisel/Chisel.java b/src/main/java/com/cricketcraft/chisel/Chisel.java
index 0aad18e9..0c30017c 100644
--- a/src/main/java/com/cricketcraft/chisel/Chisel.java
+++ b/src/main/java/com/cricketcraft/chisel/Chisel.java
@@ -12,6 +12,7 @@ import org.apache.logging.log4j.Logger;
 
 import com.cricketcraft.chisel.block.BlockCarvable;
 import com.cricketcraft.chisel.compat.Compatibility;
+import com.cricketcraft.chisel.compat.IMCHandler;
 import com.cricketcraft.chisel.config.Configurations;
 import com.cricketcraft.chisel.init.ChiselBlocks;
 import com.cricketcraft.chisel.init.ChiselTabs;
@@ -31,7 +32,9 @@ import cpw.mods.fml.common.Mod.Instance;
 import cpw.mods.fml.common.SidedProxy;
 import cpw.mods.fml.common.event.FMLInitializationEvent;
 import cpw.mods.fml.common.event.FMLInterModComms;
+import cpw.mods.fml.common.event.FMLInterModComms.IMCMessage;
 import cpw.mods.fml.common.event.FMLMissingMappingsEvent;
+import cpw.mods.fml.common.event.FMLInterModComms.IMCEvent;
 import cpw.mods.fml.common.event.FMLMissingMappingsEvent.MissingMapping;
 import cpw.mods.fml.common.event.FMLPostInitializationEvent;
 import cpw.mods.fml.common.event.FMLPreInitializationEvent;
@@ -158,6 +161,13 @@ public class Chisel {
 		Compatibility.init(event);
 	}
 
+	@EventHandler
+	public void onIMC(IMCEvent event) {
+		for (IMCMessage msg : event.getMessages()) {
+			IMCHandler.INSTANCE.handleMessage(msg);
+		}
+	}
+
 	@SubscribeEvent
 	public void onConfigChanged(ConfigChangedEvent.OnConfigChangedEvent event) {
 		if (event.modID.equals("chisel")) {
diff --git a/src/main/java/com/cricketcraft/chisel/api/IMC.java b/src/main/java/com/cricketcraft/chisel/api/IMC.java
new file mode 100644
index 00000000..30f162c0
--- /dev/null
+++ b/src/main/java/com/cricketcraft/chisel/api/IMC.java
@@ -0,0 +1,59 @@
+package com.cricketcraft.chisel.api;
+
+import com.cricketcraft.chisel.Chisel;
+
+/**
+ * Use the enum constants (using {@link #key} or calling {@link #toString()}) in this class as keys for IMC messages sent to chisel
+ */
+public enum IMC {
+
+	/**
+	 * Adds a variation to a group.
+	 * 
+	 * Use this to add a variation to a group. String syntax:
+	 * <p>
+	 * groupname|blockname|meta
+	 * <p>
+	 * An example would be {@code "mygroup|minecraft:dirt|1"} and this will add the vanilla dirt block with metadata 1 to the "mygroup" group, creating that group if need be.
+	 */
+	ADD_VARIATION("variation:add"),
+
+	/**
+	 * Removes a variation from a group.
+	 * 
+	 * Use this to remove a variation from a group. String syntax:
+	 * <p>
+	 * groupname|blockname|meta
+	 * <p>
+	 * An example would be {@code "mygroup|minecraft:dirt|1"} and this will add the vanilla dirt block with metadata 1 to the "mygroup" group, creating that group if need be.
+	 */
+	REMOVE_VARIATION("variation:remove"),
+
+	/**
+	 * Registers an oredict name to a group. This can be used to automatically add all blocks with this oredict name to a group. String syntax:
+	 * <p>
+	 * groupname|oredictname
+	 * <p>
+	 * An example would be {@code "mygroup|plankWood"} which will add all blocks registered in the oredict as "plankWood" to your group called "mygroup".
+	 */
+	REGISTER_GROUP_ORE("group:ore");
+
+	/**
+	 * The IMC message key for this message type.
+	 */
+	public final String key;
+
+	IMC(String key) {
+		this.key = key;
+	}
+
+	@Override
+	public String toString() {
+		return key;
+	}
+
+	/**
+	 * The modid of Chisel so you can easily send IMC to this mod.
+	 */
+	public static final String CHISEL_MODID = Chisel.MOD_ID;
+}
diff --git a/src/main/java/com/cricketcraft/chisel/compat/IMCHandler.java b/src/main/java/com/cricketcraft/chisel/compat/IMCHandler.java
new file mode 100644
index 00000000..33225588
--- /dev/null
+++ b/src/main/java/com/cricketcraft/chisel/compat/IMCHandler.java
@@ -0,0 +1,55 @@
+package com.cricketcraft.chisel.compat;
+
+import net.minecraft.block.Block;
+
+import com.cricketcraft.chisel.Chisel;
+import com.cricketcraft.chisel.api.IMC;
+import com.cricketcraft.chisel.api.carving.ICarvingRegistry;
+import com.cricketcraft.chisel.carving.Carving;
+
+import cpw.mods.fml.common.event.FMLInterModComms.IMCMessage;
+
+public class IMCHandler {
+
+	public static final IMCHandler INSTANCE = new IMCHandler();
+
+	private int order = 1000;
+	
+	private IMCHandler() {
+	}
+
+	public void handleMessage(IMCMessage message) {
+		for (IMC imc : IMC.values()) {
+			if (imc.key.equals(message.key)) {
+				handle(message, imc, message.getStringValue());
+			}
+		}
+	}
+
+	private void handle(IMCMessage message, IMC type, String value) {
+		ICarvingRegistry reg = Carving.chisel;
+		String[] data = value.split("\\|");
+		try {
+			switch (type) {
+			case ADD_VARIATION:
+			case REMOVE_VARIATION:
+				Block block = (Block) Block.blockRegistry.getObject(data[1]);
+				int meta = Short.parseShort(data[2]);
+				if (type == IMC.ADD_VARIATION) {
+					reg.addVariation(data[0], block, meta, order++);
+				} else {
+					reg.removeVariation(block, meta, data[0]);
+				}
+			case REGISTER_GROUP_ORE:
+				reg.registerOre(data[0], data[1]);
+			default:
+				throw new IllegalArgumentException("Invalid IMC constant! How...what...?");
+			}
+		} catch (Exception e) {
+			Chisel.logger.error("Could not handle data {} for IMC type {}. This was sent from mod {}.\n"
+					+ "!! This is a bug in that mod !!\nSwallowing error and continuing...",
+					value, type.name(), message.getSender());
+			e.printStackTrace();
+		}
+	}
+}