diff --git a/fml/client/cpw/mods/fml/client/FMLClientHandler.java b/fml/client/cpw/mods/fml/client/FMLClientHandler.java
index c42743c90..6337aaa54 100644
--- a/fml/client/cpw/mods/fml/client/FMLClientHandler.java
+++ b/fml/client/cpw/mods/fml/client/FMLClientHandler.java
@@ -39,6 +39,7 @@ import net.minecraft.crash.CrashReport;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.launchwrapper.Launch;
 import net.minecraft.network.INetworkManager;
 import net.minecraft.network.packet.NetHandler;
 import net.minecraft.network.packet.Packet;
@@ -49,6 +50,7 @@ import net.minecraft.world.World;
 import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Lists;
 import com.google.common.collect.MapDifference;
 import com.google.common.collect.MapDifference.ValueDifference;
 import com.google.common.collect.Maps;
@@ -206,6 +208,22 @@ public class FMLClientHandler implements IFMLSidedHandler
             haltGame("There was a severe problem during mod loading that has caused the game to fail", le);
             return;
         }
+
+        Map<String,Map<String,String>> sharedModList = (Map<String, Map<String, String>>) Launch.blackboard.get("modList");
+        if (sharedModList == null)
+        {
+            sharedModList = Maps.newHashMap();
+            Launch.blackboard.put("modList", sharedModList);
+        }
+        for (ModContainer mc : Loader.instance().getActiveModList())
+        {
+            Map<String,String> sharedModDescriptor = mc.getSharedModDescriptor();
+            if (sharedModDescriptor != null)
+            {
+                String sharedModId = "fml:"+mc.getModId();
+                sharedModList.put(sharedModId, sharedModDescriptor);
+            }
+        }
     }
 
     @Override
@@ -249,6 +267,31 @@ public class FMLClientHandler implements IFMLSidedHandler
         KeyBindingRegistry.instance().uploadKeyBindingsToGame(client.field_71474_y);
     }
 
+    public void extendModList()
+    {
+        Map<String,Map<String,String>> modList = (Map<String, Map<String, String>>) Launch.blackboard.get("modList");
+        if (modList != null)
+        {
+            for (Entry<String, Map<String, String>> modEntry : modList.entrySet())
+            {
+                String sharedModId = modEntry.getKey();
+                String system = sharedModId.split(":")[0];
+                if ("fml".equals(system))
+                {
+                    continue;
+                }
+                Map<String, String> mod = modEntry.getValue();
+                String modSystem = mod.get("modsystem"); // the modsystem (FML uses FML or ModLoader)
+                String modId = mod.get("id"); // unique ID
+                String modVersion = mod.get("version"); // version
+                String modName = mod.get("name"); // a human readable name
+                String modURL = mod.get("url"); // a URL for the mod (can be empty string)
+                String modAuthors = mod.get("authors"); // a csv of authors (can be empty string)
+                String modDescription = mod.get("description"); // a (potentially) multiline description (can be empty string)
+            }
+        }
+
+    }
     public void onInitializationComplete()
     {
         if (wrongMC != null)
diff --git a/fml/common/cpw/mods/fml/common/DummyModContainer.java b/fml/common/cpw/mods/fml/common/DummyModContainer.java
index 30790e8da..da39335e8 100644
--- a/fml/common/cpw/mods/fml/common/DummyModContainer.java
+++ b/fml/common/cpw/mods/fml/common/DummyModContainer.java
@@ -180,4 +180,10 @@ public class DummyModContainer implements ModContainer
     {
         return null;
     }
+
+    @Override
+    public Map<String, String> getSharedModDescriptor()
+    {
+        return null;
+    }
 }
diff --git a/fml/common/cpw/mods/fml/common/FMLModContainer.java b/fml/common/cpw/mods/fml/common/FMLModContainer.java
index f92ebb7c4..411b4594b 100644
--- a/fml/common/cpw/mods/fml/common/FMLModContainer.java
+++ b/fml/common/cpw/mods/fml/common/FMLModContainer.java
@@ -43,6 +43,7 @@ import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterators;
 import com.google.common.collect.ListMultimap;
 import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
 import com.google.common.collect.Multimap;
 import com.google.common.collect.SetMultimap;
 import com.google.common.collect.Sets;
@@ -613,4 +614,17 @@ public class FMLModContainer implements ModContainer
             return null;
         }
     }
+    @Override
+    public Map<String, String> getSharedModDescriptor()
+    {
+        Map<String,String> descriptor = Maps.newHashMap();
+        descriptor.put("modsystem", "FML");
+        descriptor.put("id", getModId());
+        descriptor.put("version",getDisplayVersion());
+        descriptor.put("name", getName());
+        descriptor.put("url", modMetadata.url);
+        descriptor.put("authors", modMetadata.getAuthorList());
+        descriptor.put("description", modMetadata.description);
+        return descriptor;
+    }
 }
diff --git a/fml/common/cpw/mods/fml/common/InjectedModContainer.java b/fml/common/cpw/mods/fml/common/InjectedModContainer.java
index 0d92367ef..88a61a96b 100644
--- a/fml/common/cpw/mods/fml/common/InjectedModContainer.java
+++ b/fml/common/cpw/mods/fml/common/InjectedModContainer.java
@@ -167,4 +167,10 @@ public class InjectedModContainer implements ModContainer
     {
         return wrappedContainer.getCustomResourcePackClass();
     }
+
+    @Override
+    public Map<String, String> getSharedModDescriptor()
+    {
+        return wrappedContainer.getSharedModDescriptor();
+    }
 }
diff --git a/fml/common/cpw/mods/fml/common/ModContainer.java b/fml/common/cpw/mods/fml/common/ModContainer.java
index 5d81d1f61..eaeb9c583 100644
--- a/fml/common/cpw/mods/fml/common/ModContainer.java
+++ b/fml/common/cpw/mods/fml/common/ModContainer.java
@@ -138,4 +138,6 @@ public interface ModContainer
     Map<String,String> getCustomModProperties();
 
     public Class<?> getCustomResourcePackClass();
+
+    Map<String, String> getSharedModDescriptor();
 }
diff --git a/fml/common/cpw/mods/fml/common/ModMetadata.java b/fml/common/cpw/mods/fml/common/ModMetadata.java
index b2fc7a646..ecff0813f 100644
--- a/fml/common/cpw/mods/fml/common/ModMetadata.java
+++ b/fml/common/cpw/mods/fml/common/ModMetadata.java
@@ -5,7 +5,7 @@
  * are made available under the terms of the GNU Lesser Public License v2.1
  * which accompanies this distribution, and is available at
  * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
- * 
+ *
  * Contributors:
  *     cpw - implementation
  */
@@ -68,7 +68,7 @@ public class ModMetadata
 
     public String modId;
     public String name;
-    public String description;
+    public String description = "";
 
     public String url = "";
     public String updateUrl = "";
diff --git a/fml/common/cpw/mods/fml/common/modloader/ModLoaderModContainer.java b/fml/common/cpw/mods/fml/common/modloader/ModLoaderModContainer.java
index 050c9d16c..8ba43c678 100644
--- a/fml/common/cpw/mods/fml/common/modloader/ModLoaderModContainer.java
+++ b/fml/common/cpw/mods/fml/common/modloader/ModLoaderModContainer.java
@@ -34,6 +34,7 @@ import com.google.common.base.Strings;
 import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 import com.google.common.eventbus.EventBus;
 import com.google.common.eventbus.Subscribe;
@@ -627,4 +628,17 @@ public class ModLoaderModContainer implements ModContainer
     {
         return null;
     }
+    @Override
+    public Map<String, String> getSharedModDescriptor()
+    {
+        Map<String,String> descriptor = Maps.newHashMap();
+        descriptor.put("modsystem", "ModLoader");
+        descriptor.put("id", getModId());
+        descriptor.put("version",getDisplayVersion());
+        descriptor.put("name", getName());
+        descriptor.put("url", metadata.url);
+        descriptor.put("authors", metadata.getAuthorList());
+        descriptor.put("description", metadata.description);
+        return descriptor;
+    }
 }