diff --git a/assets/items.psd b/assets/items.psd
index 72232e339..ad2ca3c3f 100644
Binary files a/assets/items.psd and b/assets/items.psd differ
diff --git a/src/main/resources/assets/opencomputers/lang/en_US.lang b/src/main/resources/assets/opencomputers/lang/en_US.lang
index 709e42afe..00c75c635 100644
--- a/src/main/resources/assets/opencomputers/lang/en_US.lang
+++ b/src/main/resources/assets/opencomputers/lang/en_US.lang
@@ -49,6 +49,7 @@ item.oc.CPU1.name=Central Processing Unit (CPU) (Tier 2)
 item.oc.CPU2.name=Central Processing Unit (CPU) (Tier 3)
 item.oc.CuttingWire.name=Cutting Wire
 item.oc.DebugCard.name=Debug Card
+item.oc.Debugger.name=Network Debugger
 item.oc.Disk.name=Disk Platter
 item.oc.FloppyDisk.name=Floppy Disk
 item.oc.GraphicsCard0.name=Graphics Card (Tier 1)
@@ -203,6 +204,7 @@ oc:tooltip.CPU=An essential component of all computers. The clock rate is a bit
 oc:tooltip.CPU.Architecture=Architecture: §f%s§7
 oc:tooltip.CuttingWire=Used to cut clay blocks into circuit board shape. Breaks after one use, which probably makes it the most inefficient tool ever.
 oc:tooltip.DebugCard=Creative mode item, allows manipulating the world to make testing easier. Use at your own peril.
+oc:tooltip.Debugger=Can be used to output debug information on OC's internal network grid. Only use if so instructed by a dev.
 oc:tooltip.Disassembler=Separates items into their original components. §lWarning§7: returned items have a %s%% chance of breaking in the process!
 oc:tooltip.Disk=Primitive medium that can be used to build persistent storage devices.
 oc:tooltip.DiskDrive.CC=ComputerCraft floppies are §asupported§7.
diff --git a/src/main/resources/assets/opencomputers/textures/items/Debugger.png b/src/main/resources/assets/opencomputers/textures/items/Debugger.png
new file mode 100644
index 000000000..0ed06e854
Binary files /dev/null and b/src/main/resources/assets/opencomputers/textures/items/Debugger.png differ
diff --git a/src/main/resources/mcmod.info b/src/main/resources/mcmod.info
index 886e5dd24..6e97bc53c 100644
--- a/src/main/resources/mcmod.info
+++ b/src/main/resources/mcmod.info
@@ -11,7 +11,6 @@
   "requiredMods": [ "Forge@[10.13.0.1180,)" ],
   "dependencies": [
     "BuildCraft|Core",
-    "BuildCraft|Energy",
     "ComputerCraft",
     "EnderStorage",
     "ForgeMultipart",
diff --git a/src/main/scala/li/cil/oc/common/component/TextBuffer.scala b/src/main/scala/li/cil/oc/common/component/TextBuffer.scala
index 91286fb9e..7746fea92 100644
--- a/src/main/scala/li/cil/oc/common/component/TextBuffer.scala
+++ b/src/main/scala/li/cil/oc/common/component/TextBuffer.scala
@@ -4,6 +4,7 @@ import com.google.common.base.Strings
 import cpw.mods.fml.common.eventhandler.SubscribeEvent
 import cpw.mods.fml.relauncher.Side
 import cpw.mods.fml.relauncher.SideOnly
+import li.cil.oc.OpenComputers
 import li.cil.oc.Settings
 import li.cil.oc.api
 import li.cil.oc.api.component.TextBuffer.ColorDepth
@@ -24,6 +25,7 @@ import li.cil.oc.util
 import li.cil.oc.util.BlockPosition
 import li.cil.oc.util.PackedColor
 import li.cil.oc.util.SideTracker
+import net.minecraft.client.Minecraft
 import net.minecraft.entity.player.EntityPlayer
 import net.minecraft.nbt.NBTTagCompound
 import net.minecraftforge.event.world.ChunkEvent
@@ -551,26 +553,48 @@ object TextBuffer {
       dirty = true
     }
 
-    override def keyDown(character: Char, code: Int, player: EntityPlayer) =
+    override def keyDown(character: Char, code: Int, player: EntityPlayer) {
+      debug(s"{type = keyDown, char = $character, code = $code}")
       ClientPacketSender.sendKeyDown(nodeAddress, character, code)
+    }
 
-    override def keyUp(character: Char, code: Int, player: EntityPlayer) =
+    override def keyUp(character: Char, code: Int, player: EntityPlayer) {
+      debug(s"{type = keyUp, char = $character, code = $code}")
       ClientPacketSender.sendKeyUp(nodeAddress, character, code)
+    }
 
-    override def clipboard(value: String, player: EntityPlayer) =
+    override def clipboard(value: String, player: EntityPlayer) {
+      debug(s"{type = clipboard}")
       ClientPacketSender.sendClipboard(nodeAddress, value)
+    }
 
-    override def mouseDown(x: Int, y: Int, button: Int, player: EntityPlayer) =
+    override def mouseDown(x: Int, y: Int, button: Int, player: EntityPlayer) {
+      debug(s"{type = mouseDown, x = $x, y = $y, button = $button}")
       ClientPacketSender.sendMouseClick(nodeAddress, x, y, drag = false, button)
+    }
 
-    override def mouseDrag(x: Int, y: Int, button: Int, player: EntityPlayer) =
+    override def mouseDrag(x: Int, y: Int, button: Int, player: EntityPlayer) {
+      debug(s"{type = mouseDrag, x = $x, y = $y, button = $button}")
       ClientPacketSender.sendMouseClick(nodeAddress, x, y, drag = true, button)
+    }
 
-    override def mouseUp(x: Int, y: Int, button: Int, player: EntityPlayer) =
+    override def mouseUp(x: Int, y: Int, button: Int, player: EntityPlayer) {
+      debug(s"{type = mouseUp, x = $x, y = $y, button = $button}")
       ClientPacketSender.sendMouseUp(nodeAddress, x, y, button)
+    }
 
-    override def mouseScroll(x: Int, y: Int, delta: Int, player: EntityPlayer) =
+    override def mouseScroll(x: Int, y: Int, delta: Int, player: EntityPlayer) {
+      debug(s"{type = mouseScroll, x = $x, y = $y, delta = $delta}")
       ClientPacketSender.sendMouseScroll(nodeAddress, x, y, delta)
+    }
+
+    private lazy val Debugger = api.Items.get("debugger")
+
+    private def debug(message: String) {
+      if (api.Items.get(Minecraft.getMinecraft.thePlayer.getHeldItem) == Debugger) {
+        OpenComputers.log.info(s"[NETWORK DEBUGGER] Sending packet to node $nodeAddress: " + message)
+      }
+    }
   }
 
   class ServerProxy(val owner: TextBuffer) extends Proxy {
diff --git a/src/main/scala/li/cil/oc/common/init/Items.scala b/src/main/scala/li/cil/oc/common/init/Items.scala
index 79f07992f..5b64a1def 100644
--- a/src/main/scala/li/cil/oc/common/init/Items.scala
+++ b/src/main/scala/li/cil/oc/common/init/Items.scala
@@ -255,5 +255,6 @@ object Items extends ItemAPI {
     Recipes.addItem(new item.UpgradeDatabase(multi, Tier.One), "databaseUpgrade1", "oc:databaseUpgrade1")
     Recipes.addItem(new item.UpgradeDatabase(multi, Tier.Two), "databaseUpgrade2", "oc:databaseUpgrade2")
     Recipes.addItem(new item.UpgradeDatabase(multi, Tier.Three), "databaseUpgrade3", "oc:databaseUpgrade3")
+    registerItem(new item.Debugger(multi), "debugger")
   }
 }
\ No newline at end of file
diff --git a/src/main/scala/li/cil/oc/common/item/Debugger.scala b/src/main/scala/li/cil/oc/common/item/Debugger.scala
new file mode 100644
index 000000000..ed56b86d3
--- /dev/null
+++ b/src/main/scala/li/cil/oc/common/item/Debugger.scala
@@ -0,0 +1,73 @@
+package li.cil.oc.common.item
+
+import li.cil.oc.OpenComputers
+import li.cil.oc.api
+import li.cil.oc.api.network._
+import net.minecraft.entity.player.EntityPlayer
+import net.minecraft.entity.player.EntityPlayerMP
+import net.minecraft.item.ItemStack
+import net.minecraft.world.World
+import net.minecraftforge.common.util.ForgeDirection
+
+class Debugger(val parent: Delegator) extends Delegate {
+  override def onItemUse(stack: ItemStack, player: EntityPlayer, world: World, x: Int, y: Int, z: Int, side: Int, hitX: Float, hitY: Float, hitZ: Float) = {
+    player match {
+      case realPlayer: EntityPlayerMP =>
+        world.getTileEntity(x, y, z) match {
+          case host: SidedEnvironment =>
+            if (!world.isRemote) {
+              Debugger.reconnect(Array(host.sidedNode(ForgeDirection.getOrientation(side))))
+            }
+            true
+          case host: Environment =>
+            if (!world.isRemote) {
+              Debugger.reconnect(Array(host.node))
+            }
+            true
+          case _ =>
+            if (!world.isRemote) {
+              Debugger.node.remove()
+            }
+            true
+        }
+      case _ => false
+    }
+  }
+}
+
+object Debugger extends Environment {
+  var node = api.Network.newNode(this, Visibility.Network).create()
+
+  override def onConnect(node: Node) {
+    OpenComputers.log.info(s"[NETWORK DEBUGGER] New node in network: ${nodeInfo(node)}")
+  }
+
+  override def onDisconnect(node: Node) {
+    OpenComputers.log.info(s"[NETWORK DEBUGGER] Node removed from network: ${nodeInfo(node)}")
+  }
+
+  override def onMessage(message: Message) {
+    OpenComputers.log.info(s"[NETWORK DEBUGGER] Received message: ${messageInfo(message)}.")
+  }
+
+  def reconnect(nodes: Array[Node]) {
+    node.remove()
+    api.Network.joinNewNetwork(node)
+    for (node <- nodes if node != null) {
+      this.node.connect(node)
+    }
+  }
+
+  private def nodeInfo(node: Node) = s"{address = ${node.address}, reachability = ${node.reachability.name}" + (node match {
+    case componentConnector: ComponentConnector => componentInfo(componentConnector) + connectorInfo(componentConnector)
+    case component: Component => componentInfo(component)
+    case connector: Connector => connectorInfo(connector)
+    case _ =>
+  }) + "}"
+
+  private def componentInfo(component: Component) = s", type = component, name = ${component.name}, visibility = ${component.visibility.name}"
+
+  private def connectorInfo(connector: Connector) = s", type = connector, buffer = ${connector.localBuffer}, bufferSize = ${connector.localBufferSize}"
+
+  private def messageInfo(message: Message) = s"{name = ${message.name()}, source = ${nodeInfo(message.source)}, data = [${message.data.mkString(", ")}]}"
+}
diff --git a/src/main/scala/li/cil/oc/integration/Mods.scala b/src/main/scala/li/cil/oc/integration/Mods.scala
index d6ffbb6a2..1297d40bd 100644
--- a/src/main/scala/li/cil/oc/integration/Mods.scala
+++ b/src/main/scala/li/cil/oc/integration/Mods.scala
@@ -108,10 +108,10 @@ object Mods {
     val isBlacklisted = Settings.get.modBlacklist.contains(mod.getMod.id)
     val alwaysEnabled = mod.getMod == null || mod.getMod == Mods.Minecraft
     if (!isBlacklisted && (alwaysEnabled || mod.getMod.isAvailable) && handlers.add(mod)) {
-      li.cil.oc.OpenComputers.log.info(String.format("Initializing mod integration for '%s'.", mod.getMod.id))
+      li.cil.oc.OpenComputers.log.info(s"Initializing mod integration for '${mod.getMod.id}'.")
       try mod.initialize() catch {
         case e: Throwable =>
-          li.cil.oc.OpenComputers.log.warn(String.format("Error initializing integration for '%s'", mod.getMod.id), e)
+          li.cil.oc.OpenComputers.log.warn(s"Error initializing integration for '${mod.getMod.id}'", e)
       }
     }
   }
diff --git a/src/main/scala/li/cil/oc/server/network/Network.scala b/src/main/scala/li/cil/oc/server/network/Network.scala
index 8a9531f2b..02a112d15 100644
--- a/src/main/scala/li/cil/oc/server/network/Network.scala
+++ b/src/main/scala/li/cil/oc/server/network/Network.scala
@@ -679,6 +679,8 @@ object Network extends api.detail.NetworkAPI {
         case value => OpenComputers.log.warn("Unexpected type while saving network packet: " + value.getClass.getName)
       }
     }
+
+    override def toString = s"{source = $source, destination = $destination, port = $port, data = [${data.mkString(", ")}}]}"
   }
 
   // ----------------------------------------------------------------------- //