diff --git a/build.xml b/build.xml
index 947cf0ee..6e5b93fd 100644
--- a/build.xml
+++ b/build.xml
@@ -1478,6 +1478,9 @@
                     <fileset dir="${tools.mda}/lib">
                         <include name="*.jar"/>
                     </fileset>
+                    <fileset dir="${tools.dir}/ukf-mda">
+                        <include name="*.jar"/>
+                    </fileset>
                     <fileset dir="${tools.dir}/xalan/lib">
                         <include name="sdss-xalan-md-*.jar"/>
                     </fileset>
diff --git a/mdx/incommon/beans.xml b/mdx/incommon/beans.xml
index 82a1b7ea..e1843175 100644
--- a/mdx/incommon/beans.xml
+++ b/mdx/incommon/beans.xml
@@ -23,7 +23,7 @@
         Template for a stage used in each output pipeline which performs
         final tweaks on the document.
     -->
-    <bean id="incommon_finalise_parent" abstract="true" parent="XSLTransformationStage"
+    <bean id="incommon_finalise_parent" abstract="true" parent="mda.XSLTransformationStage"
         p:XSLResource="classpath:incommon/final_tweak.xsl">
         <property name="transformParameters">
             <map>
diff --git a/mdx/incommon/edugain-policy.xml b/mdx/incommon/edugain-policy.xml
index 1a4b0104..100f3438 100644
--- a/mdx/incommon/edugain-policy.xml
+++ b/mdx/incommon/edugain-policy.xml
@@ -36,7 +36,7 @@
               release mentioned there
 
     -->
-    <bean id="edugainPolicy" parent="CompositeStage">
+    <bean id="edugainPolicy" parent="mda.CompositeStage">
         <property name="composedStages">
             <list>
 
@@ -60,7 +60,7 @@
                     This rule is executed first as a performance optimisation
                     so as to reduce the amount of metadata being processed.
                 -->
-                <bean id="removeInCommonEntities" parent="EntityRegistrationAuthorityFilterStage">
+                <bean id="removeInCommonEntities" parent="mda.EntityRegistrationAuthorityFilterStage">
                     <property name="designatedRegistrationAuthorities">
                         <list>
                             <ref bean="us_incommon_registrar"/>
@@ -120,22 +120,22 @@
 
                     All entity attributes on the Entity Attribute Blacklist.
                 -->
-                <bean id="entityAttributes" parent="EntityAttributeFilteringStage"
+                <bean id="entityAttributes" parent="mda.EntityAttributeFilteringStage"
                     p:whitelisting="false">
                     <property name="rules">
                         <list>
                             <!-- "registered by InCommon" entity category. -->
-                            <bean parent="EntityCategoryMatcher"
+                            <bean parent="mda.EntityCategoryMatcher"
                                 c:category="http://id.incommon.org/category/registered-by-incommon"/>
 
                             <!-- InCommon Research and Scholarship category. -->
-                            <bean parent="EntityCategoryMatcher"
+                            <bean parent="mda.EntityCategoryMatcher"
                                 c:category="http://id.incommon.org/category/research-and-scholarship"/>
-                            <bean parent="EntityCategorySupportMatcher"
+                            <bean parent="mda.EntityCategorySupportMatcher"
                                 c:category="http://id.incommon.org/category/research-and-scholarship"/>
 
                             <!-- InCommon Bronze assurance certification. -->
-                            <bean parent="MultiPredicateMatcher">
+                            <bean parent="mda.MultiPredicateMatcher">
                                 <property name="nameFormatPredicate">
                                     <bean class="com.google.common.base.Predicates"
                                         factory-method="equalTo"
@@ -157,7 +157,7 @@
                             </bean>
 
                             <!-- InCommon Silver assurance certification. -->
-                            <bean parent="MultiPredicateMatcher">
+                            <bean parent="mda.MultiPredicateMatcher">
                                 <property name="nameFormatPredicate">
                                     <bean class="com.google.common.base.Predicates"
                                         factory-method="equalTo"
@@ -187,7 +187,7 @@
                     All extended XML elements and attributes
                     defined in namespaces not on the XML Namespace Whitelist.
                 -->
-                <bean id="whitelistImportedNamespaces" parent="NamespacesStrippingStage"
+                <bean id="whitelistImportedNamespaces" parent="mda.NamespacesStrippingStage"
                     p:whitelisting="true">
                     <property name="namespaces">
                         <set>
@@ -253,14 +253,14 @@
 
                     Mark entities with weak keys.
                 -->
-                <bean p:id="certificateValidation" parent="X509ValidationStage">
+                <bean p:id="certificateValidation" parent="mda.X509ValidationStage">
                     <property name="validators">
                         <list>
                             <!-- Error on RSA key length less than 2048 bits. -->
-                            <bean parent="X509RSAKeyLengthValidator"
+                            <bean parent="mda.X509RSAKeyLengthValidator"
                                 p:warningBoundary="0" p:errorBoundary="2048"/>
                             <!-- Error on small RSA public exponents. -->
-                            <bean parent="X509RSAExponentValidator"/>
+                            <bean parent="mda.X509RSAExponentValidator"/>
 
                             <!--
                                 Debian weak key blacklists.
@@ -308,7 +308,7 @@
                     Mark IdP entities that do not have a SAML2 SingleSignOnService endpoint
                     that supports the HTTP-Redirect binding.
                 -->
-                <bean id="check_idp_non_saml2" parent="XSLValidationStage"
+                <bean id="check_idp_non_saml2" parent="mda.XSLValidationStage"
                     p:XSLResource="classpath:incommon/check_idp_no_saml2.xsl"/>
 
                 <!--
@@ -317,7 +317,7 @@
                     Mark SP entities that do not have at least one SAML2 AssertionConsumerService
                     endpoint that supports the HTTP-POST binding.
                 -->
-                <bean id="check_sp_non_saml2" parent="XSLValidationStage"
+                <bean id="check_sp_non_saml2" parent="mda.XSLValidationStage"
                     p:XSLResource="classpath:incommon/check_sp_no_saml2.xsl"/>
 
                 <!--
diff --git a/mdx/incommon/export.xml b/mdx/incommon/export.xml
index 6500992a..1b04ca83 100644
--- a/mdx/incommon/export.xml
+++ b/mdx/incommon/export.xml
@@ -23,9 +23,10 @@
     <import resource="classpath:incommon/beans.xml"/>
     <import resource="classpath:incommon/export-whitelist.xml"/>
 
-    <bean id="serializeExported" parent="SerializationStage">
+    <bean id="serializeExported" parent="mda.SerializationStage">
+        <property name="serializer" ref="serializer"/>
         <property name="outputFile">
-            <bean class="java.io.File">
+            <bean parent="File">
                 <constructor-arg value="${inc.exported.xml}"/>
             </bean>
         </property>
@@ -34,7 +35,7 @@
     <!--
         Construct InCommon eduGAIN export aggregate.
     -->
-    <bean id="export" parent="SimplePipeline">
+    <bean id="export" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
                 <!--
@@ -43,7 +44,8 @@
                     In a production environment, this will be the *unsigned* aggregate,
                     so we perform minimal checking on its contents.
                 -->
-                <bean id="production_aggregate" parent="DOMResourceSourceStage">
+                <bean id="production_aggregate" parent="mda.DOMResourceSourceStage">
+                    <property name="parserPool" ref="parserPool"/>
                     <property name="DOMResource">
                         <bean parent="FileSystemResource" c:_0="${inc.production.xml}"/>
                     </property>
@@ -53,7 +55,7 @@
                 <ref bean="disassemble"/>
 
                 <!-- Remove all but the entities we want to export. -->
-                <bean id="applyEntityWhitelist" parent="EntityFilterStage"
+                <bean id="applyEntityWhitelist" parent="mda.EntityFilterStage"
                     p:whitelistingEntities="true"
                     p:designatedEntities-ref="incommon_edugain_export_whitelist"/>
 
@@ -66,19 +68,19 @@
                     Note: this is temporary, until the REFEDS R&S category is present in
                     InCommon production metadata
                 -->
-                <bean id="rands_to_refeds" parent="XSLTransformationStage"
+                <bean id="rands_to_refeds" parent="mda.XSLTransformationStage"
                     p:XSLResource="classpath:incommon/rands_to_refeds.xsl"/>
 
                 <!-- Filter the entity attributes released to eduGAIN. -->
-                <bean id="entityAttributes" parent="EntityAttributeFilteringStage">
+                <bean id="entityAttributes" parent="mda.EntityAttributeFilteringStage">
                    <property name="rules">
                        <list>
                            <!-- Permit REFEDS R&S category membership -->
-                           <bean parent="EntityCategoryMatcher"
+                           <bean parent="mda.EntityCategoryMatcher"
                                 c:category="http://refeds.org/category/research-and-scholarship"/>
 
                            <!-- Permit REFEDS R&S category support -->
-                           <bean parent="EntityCategorySupportMatcher"
+                           <bean parent="mda.EntityCategorySupportMatcher"
                                c:category="http://refeds.org/category/research-and-scholarship"/>
 
                        </list>
@@ -99,7 +101,7 @@
                 </bean>
 
                 <!-- Normalise the use of namespace prefixes in the resulting XML document. -->
-                <bean id="normalise" parent="XSLTransformationStage"
+                <bean id="normalise" parent="mda.XSLTransformationStage"
                     p:XSLResource="classpath:incommon/ns_norm_export.xsl"/>
 
                 <!-- Write the resulting aggregate out to a file. -->
diff --git a/mdx/incommon/import.xml b/mdx/incommon/import.xml
index 4c9bd009..0eea7902 100644
--- a/mdx/incommon/import.xml
+++ b/mdx/incommon/import.xml
@@ -41,12 +41,11 @@
         ***********************************************************
     -->
 
-    <bean id="common.output" parent="CompositeStage">
+    <bean id="common.output" parent="mda.CompositeStage">
         <property name="composedStages">
             <list>
                 <!-- Construct a new aggregate from the collection of entities. -->
-                <bean id="inc.assemble" parent="stage_parent"
-                    class="net.shibboleth.metadata.dom.saml.EntitiesDescriptorAssemblerStage">
+                <bean id="inc.assemble" parent="mda.EntitiesDescriptorAssemblerStage">
                     <property name="itemOrderingStrategy">
                         <bean parent="inc.InCommonEntityOrderingStrategy"
                             c:_-ref="us_incommon_registrar"/>
@@ -64,7 +63,7 @@
                 </bean>
 
                 <!-- Normalise the use of namespace prefixes in the resulting XML document. -->
-                <bean id="normalise" parent="XSLTransformationStage"
+                <bean id="normalise" parent="mda.XSLTransformationStage"
                     p:XSLResource="classpath:incommon/ns_norm_import.xsl"/>
             </list>
         </property>
@@ -84,9 +83,10 @@
 
         Writes the IdP-only aggregate out to a file.
     -->
-    <bean id="idp.serialize" parent="SerializationStage">
+    <bean id="idp.serialize" parent="mda.SerializationStage">
+        <property name="serializer" ref="serializer"/>
         <property name="outputFile">
-            <bean class="java.io.File">
+            <bean parent="File">
                 <constructor-arg value="${inc.imported-idp.xml}"/>
             </bean>
         </property>
@@ -97,7 +97,7 @@
 
         Entities in the IdP-only aggregate are restricted to identity providers.
     -->
-    <bean id="idp.selector" parent="XPathItemSelectionStrategy">
+    <bean id="idp.selector" parent="mda.XPathItemSelectionStrategy">
         <constructor-arg value="/md:EntityDescriptor[md:IDPSSODescriptor]"/>
         <constructor-arg ref="commonNamespaces"/>
     </bean>
@@ -108,7 +108,7 @@
         Generates the IdP-only aggregate. The selector has already taken care
         of removing non-IdP entities.
     -->
-    <bean id="idp.pipeline" parent="SimplePipeline">
+    <bean id="idp.pipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
                 <!-- Perform common steps in constructing an output aggregate. -->
@@ -134,9 +134,10 @@
 
         Writes the import aggregate out to a file.
     -->
-    <bean id="serializeImported" parent="SerializationStage">
+    <bean id="serializeImported" parent="mda.SerializationStage">
+        <property name="serializer" ref="serializer"/>
         <property name="outputFile">
-            <bean class="java.io.File">
+            <bean parent="File">
                 <constructor-arg value="${inc.imported.xml}"/>
             </bean>
         </property>
@@ -151,13 +152,14 @@
         *************************************
     -->
 
-    <bean id="incommon_edugain_importPipeline" parent="SimplePipeline">
+    <bean id="incommon_edugain_importPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
                 <!--
                     Load the saved eduGAIN aggregate from a file.
                 -->
-                <bean id="edugain_aggregate" parent="DOMResourceSourceStage">
+                <bean id="edugain_aggregate" parent="mda.DOMResourceSourceStage">
+                    <property name="parserPool" ref="parserPool"/>
                     <property name="DOMResource">
                         <bean parent="FileSystemResource" c:_0="${inc.edugain.xml}"/>
                     </property>
@@ -211,7 +213,7 @@
         The main "import" pipeline is responsible for generating the
         all-entities output aggregate.
     -->
-    <bean id="import" parent="SimplePipeline">
+    <bean id="import" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
                 <!--
@@ -220,7 +222,8 @@
                     In a production environment, this will be the *unsigned* aggregate,
                     so we perform minimal checking on its contents.
                 -->
-                <bean id="production_aggregate" parent="DOMResourceSourceStage">
+                <bean id="production_aggregate" parent="mda.DOMResourceSourceStage">
+                    <property name="parserPool" ref="parserPool"/>
                     <property name="DOMResource">
                         <bean parent="FileSystemResource" c:_0="${inc.production.xml}"/>
                     </property>
@@ -235,7 +238,7 @@
                     before proceeding to avoid them overwriting the
                     new imported version.
                 -->
-                <bean id="keepInCommonEntities" parent="EntityRegistrationAuthorityFilterStage">
+                <bean id="keepInCommonEntities" parent="mda.EntityRegistrationAuthorityFilterStage">
                     <property name="designatedRegistrationAuthorities">
                         <list>
                             <ref bean="us_incommon_registrar"/>
@@ -253,7 +256,8 @@
                 <ref bean="populateRegistrationAuthorities"/>
 
                 <!-- Merge in selected entities from eduGAIN. -->
-                <bean id="mergeProductionMDXEntities" parent="PipelineMergeStage.deduplicate">
+                <bean id="mergeProductionMDXEntities" parent="mda.PipelineMergeStage"
+                    p:collectionMergeStrategy-ref="deduplicateMergeStrategy">
                     <property name="mergedPipelines">
                         <list>
                             <ref bean="incommon_edugain_importPipeline"/>
@@ -262,7 +266,7 @@
                 </bean>
 
                 <!-- Fork new pipelines to generate special aggregates. -->
-                <bean id="demux" parent="PipelineDemultiplexerStage">
+                <bean id="demux" parent="mda.PipelineDemultiplexerStage">
                     <property name="pipelineAndSelectionStrategies">
                         <list>
                             <!-- IdP-only aggregate. -->
diff --git a/mdx/incommon/mdq-multisign.xml b/mdx/incommon/mdq-multisign.xml
index 584309d3..17ef85a9 100644
--- a/mdx/incommon/mdq-multisign.xml
+++ b/mdx/incommon/mdq-multisign.xml
@@ -38,13 +38,14 @@
     <!--
         Generate per-entity metadata.
     -->
-    <bean id="mdq-multisign" parent="SimplePipeline">
+    <bean id="mdq-multisign" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
                 <!--
                     Start with the unsigned production aggregate.
                 -->
-                <bean id="production_aggregate" parent="DOMResourceSourceStage">
+                <bean id="production_aggregate" parent="mda.DOMResourceSourceStage">
+                    <property name="parserPool" ref="parserPool"/>
                     <property name="DOMResource">
                         <bean parent="FileSystemResource" c:_0="${mdq.input}"/>
                     </property>
@@ -57,15 +58,15 @@
                 <ref bean="populateItemIds"/>
 
                 <!-- Set ID, cacheDuration and validUntil attributes. -->
-                <bean parent="GenerateIdStage"/>
-                <bean parent="SetValidUntilStage" p:validityDuration="P14D"/>
+                <bean parent="mda.GenerateIdStage"/>
+                <bean parent="mda.SetValidUntilStage" p:validityDuration="P14D"/>
 
                 <!-- Identity transform fixes signing issues. -->
-                <bean parent="XSLTransformationStage"
+                <bean parent="mda.XSLTransformationStage"
                     p:XSLResource="classpath:identity.xsl"/>
 
                 <!-- Sign each item. -->
-                <bean id="perform.signature" parent="XMLSignatureSigningStage">
+                <bean id="perform.signature" parent="mda.XMLSignatureSigningStage">
                     <property name="privateKey">
                         <bean parent="PrivateKeyFactoryBean"
                             p:resource="${sign.keyResource}"
@@ -75,14 +76,15 @@
                 </bean>
 
                 <!-- Write individual entity documents to files. -->
-                <bean id="write.perentity" parent="MultiOutputSerializationStage">
+                <bean id="write.perentity" parent="mda.MultiOutputSerializationStage">
+                    <property name="serializer" ref="serializer"/>
                     <property name="outputStrategy">
-                        <bean parent="FilesInDirectoryMultiOutputStrategy" p:nameSuffix=".xml">
+                        <bean parent="mda.FilesInDirectoryMultiOutputStrategy" p:nameSuffix=".xml">
                             <property name="directory">
-                                <bean class="java.io.File" c:_="${mdq.output}"/>
+                                <bean parent="File" c:_="${mdq.output}"/>
                             </property>
                             <property name="nameTransformer">
-                                <bean parent="SHA1StringTransformer"/>
+                                <bean parent="mda.SHA1StringTransformer"/>
                             </property>
                         </bean>
                     </property>
diff --git a/mdx/incommon/report.xml b/mdx/incommon/report.xml
index 8e1ceb6a..f6f0ad29 100644
--- a/mdx/incommon/report.xml
+++ b/mdx/incommon/report.xml
@@ -28,7 +28,7 @@
     -->
     <import resource="classpath:int_edugain/beans.xml"/>
 
-    <bean id="incommon_edugain_importPipeline" parent="SimplePipeline">
+    <bean id="incommon_edugain_importPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
             </list>
@@ -38,13 +38,14 @@
     <!--
         Report on errors detected in eduGAIN metadata.
     -->
-    <bean id="report" parent="SimplePipeline">
+    <bean id="report" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
                 <!--
                     Load the saved eduGAIN aggregate from a file.
                 -->
-                <bean id="edugain_aggregate" parent="DOMResourceSourceStage">
+                <bean id="edugain_aggregate" parent="mda.DOMResourceSourceStage">
+                    <property name="parserPool" ref="parserPool"/>
                     <property name="DOMResource">
                         <bean parent="FileSystemResource" c:_0="${inc.edugain.xml}"/>
                     </property>