diff --git a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/ModCooperationAPI.java b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/ModCooperationAPI.java
index a1ec9d4..cf9e50f 100644
--- a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/ModCooperationAPI.java
+++ b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/ModCooperationAPI.java
@@ -1,8 +1,52 @@
 package jp.MinecraftModderJapan.ModCooperationAPI;
 
+import jp.MinecraftModderJapan.ModCooperationAPI.api.entity.IBreedable;
+import jp.MinecraftModderJapan.ModCooperationAPI.api.entity.IRidden;
+import jp.MinecraftModderJapan.ModCooperationAPI.api.item.IBook;
+import jp.MinecraftModderJapan.ModCooperationAPI.api.item.IFood;
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.util.EnumFacing;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.capabilities.CapabilityManager;
 import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.Mod.EventHandler;
+import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
+import org.apache.commons.lang3.NotImplementedException;
+
+import java.util.concurrent.Callable;
 
 @Mod(modid = ModCooperationAPI.MOD_ID)
 public class ModCooperationAPI{
     public static final String MOD_ID = "jp.MinecraftModderJapan.ModCooperationAPI";
+
+    @EventHandler
+    private void preInit(FMLPreInitializationEvent event){
+        registerCaps();
+    }
+
+    private void registerCaps(){
+        registerCap(IBook.class);
+        registerCap(IFood.class);
+        registerCap(IBreedable.class);
+        registerCap(IRidden.class);
+    }
+
+    private <T> void registerCap(Class<T> clazz){
+        CapabilityManager.INSTANCE.register(clazz, new Capability.IStorage<T>(){
+            @Override
+            public NBTBase writeNBT(Capability<T> capability, T instance, EnumFacing side){
+                throw new NotImplementedException("No default implementation");
+            }
+
+            @Override
+            public void readNBT(Capability<T> capability, T instance, EnumFacing side, NBTBase nbt){
+                throw new NotImplementedException("No default implementation");
+            }
+        }, new Callable<T>(){
+            @Override
+            public T call() throws Exception{
+                throw new NotImplementedException("No default implementation");
+            }
+        });
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IBreedable.java b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IBreedable.java
index 533407d..12962ff 100644
--- a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IBreedable.java
+++ b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IBreedable.java
@@ -1,6 +1,8 @@
 package jp.MinecraftModderJapan.ModCooperationAPI.api.entity;
 
 import net.minecraft.item.ItemStack;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.capabilities.CapabilityInject;
 
 import javax.annotation.Nonnull;
 
@@ -14,6 +16,9 @@
  * @since 1.0
  */
 public interface IBreedable{
+    @CapabilityInject(IBreedable.class)
+    Capability<IBreedable> CAPABILITY = null;
+
     /**
      * @param stack
      *         the Item
diff --git a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IRidden.java b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IRidden.java
index 5b90671..39ccd44 100644
--- a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IRidden.java
+++ b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/entity/IRidden.java
@@ -1,6 +1,8 @@
 package jp.MinecraftModderJapan.ModCooperationAPI.api.entity;
 
 import net.minecraft.entity.Entity;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.capabilities.CapabilityInject;
 
 import javax.annotation.Nonnull;
 
@@ -14,6 +16,9 @@
  * @since 1.0
  */
 public interface IRidden{
+    @CapabilityInject(IRidden.class)
+    Capability<IRidden> CAPABILITY = null;
+
     /**
      * 乗る。
      * <br>
diff --git a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IBook.java b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IBook.java
index 97f271b..b64a569 100644
--- a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IBook.java
+++ b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IBook.java
@@ -2,6 +2,8 @@
 
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.capabilities.CapabilityInject;
 
 import javax.annotation.Nonnull;
 
@@ -15,6 +17,8 @@
  * @since 1.0
  */
 public interface IBook{
+    @CapabilityInject(IBook.class)
+    Capability<IBook> CAPABILITY = null;
 
     /**
      * GUIを持っているか。
diff --git a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IFood.java b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IFood.java
index 117cb36..3f0aee9 100644
--- a/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IFood.java
+++ b/src/main/java/jp/MinecraftModderJapan/ModCooperationAPI/api/item/IFood.java
@@ -2,6 +2,8 @@
 
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.item.ItemStack;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.common.capabilities.CapabilityInject;
 
 import javax.annotation.Nonnull;
 
@@ -15,6 +17,9 @@
  * @since 1.0
  */
 public interface IFood{
+    @CapabilityInject(IFood.class)
+    Capability<IFood> CAPABILITY = null;
+
     /**
      * この食べ物を食べることによって、どのくらい満腹度が回復するか取得します。
      * <br>