diff --git a/src/main/java/net/ryanland/dfschematics/df/code/ChestCodeBlock.java b/src/main/java/net/ryanland/dfschematics/df/code/ChestCodeBlock.java
index 02d6e61..d10edd3 100644
--- a/src/main/java/net/ryanland/dfschematics/df/code/ChestCodeBlock.java
+++ b/src/main/java/net/ryanland/dfschematics/df/code/ChestCodeBlock.java
@@ -9,13 +9,18 @@
 /**
  * Represents a code block with a chest (can have parameters + tags)
  */
-public interface ChestCodeBlock extends CodeBlock {
+public interface ChestCodeBlock{
 
     List<Value> getParameters();
 
     List<Tag> getTags();
 
-    @Override
+    String getBlock();
+
+    String getAction();
+
+    int getWeight();
+    
     default JsonObject toJson() {
         JsonObject json = CodeBlock.super.toJson();
         JsonObject args = new JsonObject();
diff --git a/src/main/java/net/ryanland/dfschematics/df/code/CodeBlock.java b/src/main/java/net/ryanland/dfschematics/df/code/CodeBlock.java
index e6b2b05..736a408 100644
--- a/src/main/java/net/ryanland/dfschematics/df/code/CodeBlock.java
+++ b/src/main/java/net/ryanland/dfschematics/df/code/CodeBlock.java
@@ -4,6 +4,8 @@
 
 public interface CodeBlock {
 
+    List<Value> getParameters();
+
     String getBlock();
 
     String getAction();
diff --git a/src/main/java/net/ryanland/dfschematics/df/code/MessageHandlerRegistry.java b/src/main/java/net/ryanland/dfschematics/df/code/MessageHandlerRegistry.java
new file mode 100644
index 0000000..c4064ed
--- /dev/null
+++ b/src/main/java/net/ryanland/dfschematics/df/code/MessageHandlerRegistry.java
@@ -0,0 +1,50 @@
+package net.ryanland.dfschematics.df.code;
+
+import com.google.gson.JsonObject;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class MessageHandlerRegistry {
+
+
+    private static final Map<String, MessageHandler> handlers = new HashMap<>();
+
+    static {
+        handlers.put("default", new DefaultHandler());
+        handlers.put("auth", new AuthHandler());
+        handlers.put("write_code read_plot default", new AuthHandler());
+        handlers.put("BASIC", new SizeHandler());
+        handlers.put("LARGE", new SizeHandler());
+        handlers.put("MASSIVE", new SizeHandler());
+        handlers.put("MEGA", new SizeHandler());
+    }
+
+    interface MessageHandler {
+        void handle(String msg);
+    }
+
+    // Implementación del manejador para el mensaje "default"
+    static class DefaultHandler implements MessageHandler {
+        @Override
+        public void handle(String msg) {
+            socket.send("scopes write_code read_plot");
+            MainController.instance.error("Please authorize DFSchematics to place templates in-game...");
+        }
+    }
+
+    static class AuthHandler implements MessageHandler {
+        @Override
+        public void handle(String msg) {
+            socket.send("size");
+        }
+    }
+
+    static class SizeHandler implements MessageHandler {
+        @Override
+        public void handle(String msg) {
+            List<CodeBlock> codeBlocks = MainController.schematic.getTemplateFactory().generateCodeBlocks();
+            placeTemplates(MainController.schematic.getTemplateFactory().splitCodeBlocks(codeBlocks));
+        }
+    }
+}
diff --git a/src/main/java/net/ryanland/dfschematics/df/code/SetVariable.java b/src/main/java/net/ryanland/dfschematics/df/code/SetVariable.java
index d2d797b..d7a806b 100644
--- a/src/main/java/net/ryanland/dfschematics/df/code/SetVariable.java
+++ b/src/main/java/net/ryanland/dfschematics/df/code/SetVariable.java
@@ -1,6 +1,6 @@
 package net.ryanland.dfschematics.df.code;
 
-public abstract class SetVariable implements ChestCodeBlock {
+public abstract class SetVariable implements CodeBlock {
 
     @Override
     public String getBlock() {