diff --git a/core/src/main/java/org/synyx/hera/core/PluginRegistry.java b/core/src/main/java/org/synyx/hera/core/PluginRegistry.java
index 05e06f1..dd8ad8f 100644
--- a/core/src/main/java/org/synyx/hera/core/PluginRegistry.java
+++ b/core/src/main/java/org/synyx/hera/core/PluginRegistry.java
@@ -109,4 +109,14 @@ public interface PluginRegistry<T extends Plugin<S>, S> extends Iterable<T> {
      * @return
      */
     boolean hasPluginFor(S delimiter);
+
+
+    /**
+     * Returns all {@link Plugin}s contained in this registry. Will return an
+     * immutable {@link List} to prevent outside modifications of the
+     * {@link PluginRegistry} content.
+     * 
+     * @return
+     */
+    List<? extends Plugin<S>> getPlugins();
 }
\ No newline at end of file
diff --git a/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java b/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java
index 8a91e24..881b3d4 100644
--- a/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java
+++ b/core/src/main/java/org/synyx/hera/core/SimplePluginRegistry.java
@@ -229,14 +229,12 @@ public class SimplePluginRegistry<T extends Plugin<S>, S> implements
      * to access all plugins. For distinguished access to certain plugins favour
      * accessor methods like {link #getPluginFor} over this one. This method
      * should only be used for testing purposes to check registry configuration.
-     * <p>
-     * TODO: decide whether to make this method public
      * 
      * @return all plugins of the registry
      */
-    protected List<? extends T> getPlugins() {
+    public List<? extends T> getPlugins() {
 
-        return plugins;
+        return Collections.unmodifiableList(plugins);
     }