diff --git a/doomsday/apps/libdoomsday/include/doomsday/filesys/idgameslink.h b/doomsday/apps/libdoomsday/include/doomsday/filesys/idgameslink.h
index f95c50e9f0..6a720380a6 100644
--- a/doomsday/apps/libdoomsday/include/doomsday/filesys/idgameslink.h
+++ b/doomsday/apps/libdoomsday/include/doomsday/filesys/idgameslink.h
@@ -31,6 +31,8 @@ class IdgamesLink : public de::filesys::WebHostedLink
 
     void parseRepositoryIndex(QByteArray data) override;
 
+    de::StringList categoryTags() const override;
+
     de::LoopResult forPackageIds(std::function<de::LoopResult (de::String const &packageId)> func) const override;
 
     de::String findPackagePath(de::String const &packageId) const override;
diff --git a/doomsday/apps/libdoomsday/src/filesys/idgameslink.cpp b/doomsday/apps/libdoomsday/src/filesys/idgameslink.cpp
index c6a8d1aae8..5135bddc68 100644
--- a/doomsday/apps/libdoomsday/src/filesys/idgameslink.cpp
+++ b/doomsday/apps/libdoomsday/src/filesys/idgameslink.cpp
@@ -233,6 +233,14 @@ void IdgamesLink::parseRepositoryIndex(QByteArray data)
 });
 }
 
+StringList IdgamesLink::categoryTags() const
+{
+    return StringList({ CATEGORY_LEVELS,
+                        CATEGORY_MUSIC,
+                        CATEGORY_SOUNDS,
+                        CATEGORY_THEMES });
+}
+
 LoopResult IdgamesLink::forPackageIds(std::function<LoopResult (String const &)> func) const
 {
     PathTreeIterator<Impl::PackageIndexEntry> iter(d->packageIndex.leafNodes());
diff --git a/doomsday/sdk/libcore/include/de/filesys/remote/link.h b/doomsday/sdk/libcore/include/de/filesys/remote/link.h
index 69b64134f5..d9b39247a7 100644
--- a/doomsday/sdk/libcore/include/de/filesys/remote/link.h
+++ b/doomsday/sdk/libcore/include/de/filesys/remote/link.h
@@ -71,6 +71,14 @@ class DENG2_PUBLIC Link
      */
     virtual PackagePaths locatePackages(StringList const &packageIds) const = 0;
 
+    /**
+     * Returns a list of the categories in the repository. These can be used as tags
+     * for filtering.
+     *
+     * @return Category tags.
+     */
+    virtual StringList categoryTags() const;
+
     /**
      * Iterates the full list of all packages available in the repository. Note this
      * may be large set of packages.
diff --git a/doomsday/sdk/libcore/src/filesys/remote/link.cpp b/doomsday/sdk/libcore/src/filesys/remote/link.cpp
index bd46db6532..172544adfa 100644
--- a/doomsday/sdk/libcore/src/filesys/remote/link.cpp
+++ b/doomsday/sdk/libcore/src/filesys/remote/link.cpp
@@ -157,6 +157,11 @@ Link::State Link::state() const
     return d->state;
 }
 
+StringList Link::categoryTags() const
+{
+    return StringList();
+}
+
 void Link::wasConnected()
 {
     DENG2_ASSERT_IN_MAIN_THREAD();