diff --git a/build.xml b/build.xml
index 34496c40..696cf2d5 100644
--- a/build.xml
+++ b/build.xml
@@ -51,7 +51,8 @@
       <exclude name="**/InvocationService.java"/>
     </javac>
     <!-- now generate the associated files -->
-    <service header="lib/SOURCE_HEADER" classpathref="classpath">
+    <service header="lib/SOURCE_HEADER" asroot="src/as"
+             classpathref="classpath">
       <fileset dir="src/java" includes="**/*Service.java"
         excludes="**/InvocationService.java"/>
       <providerless service="SimulatorService"/>
@@ -82,6 +83,20 @@
     </receiver>
   </target>
 
+  <!-- generates ActionScript versions of our Streamable classes -->
+  <target name="genascript">
+    <taskdef name="genscript" classpathref="classpath"
+             classname="com.threerings.presents.tools.GenActionScriptTask"/>
+    <!-- now generate the associated files -->
+    <genscript header="lib/SOURCE_HEADER" asroot="src/as">
+      <!-- TODO: expand this to the whole enchilada when we're ready -->
+      <fileset dir="src/java" includes="**/parlor/data/*.java"/>
+      <fileset dir="src/java" includes="**/parlor/**/data/*.java"/>
+      <fileset dir="src/java" includes="**/whirled/data/*.java"/>
+      <fileset dir="src/java" includes="**/whirled/**/data/*.java"/>
+    </genscript>
+  </target>
+
   <!-- checks the availability of certain libraries -->
   <target name="check-available">
     <available property="lwjgl.present"