diff --git a/apps/jetty/.externalToolBuilders/jetty-makejar.launch b/apps/jetty/.externalToolBuilders/jetty-makejar.launch
new file mode 100644
index 000000000..c12b8bd75
--- /dev/null
+++ b/apps/jetty/.externalToolBuilders/jetty-makejar.launch
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
+<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_AUTO_TARGETS" value="ensureJettylib,"/>
+<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_CLEAN_TARGETS" value="distclean,"/>
+<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_MANUAL_TARGETS" value="jar,"/>
+<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
+<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
+<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${project}"/>
+<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
+<listAttribute key="org.eclipse.jdt.launching.CLASSPATH">
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry containerPath=&quot;org.eclipse.jdt.launching.JRE_CONTAINER&quot; path=&quot;1&quot; type=&quot;4&quot;/&gt;&#10;"/>
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry internalArchive=&quot;/i2p_sdk/src&quot; path=&quot;3&quot; type=&quot;2&quot;/&gt;&#10;"/>
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry id=&quot;org.eclipse.ant.ui.classpathentry.antHome&quot;&gt;&#10;&lt;memento default=&quot;true&quot;/&gt;&#10;&lt;/runtimeClasspathEntry&gt;&#10;"/>
+<listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;runtimeClasspathEntry id=&quot;org.eclipse.ant.ui.classpathentry.extraClasspathEntries&quot;&gt;&#10;&lt;memento/&gt;&#10;&lt;/runtimeClasspathEntry&gt;&#10;"/>
+</listAttribute>
+<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
+<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="false"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="jetty"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/jetty/build.xml}"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="incremental,auto,clean"/>
+<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/jetty}"/>
+</launchConfiguration>
diff --git a/apps/jetty/.project b/apps/jetty/.project
index 8bdb6e7a1..ab7ec3e30 100644
--- a/apps/jetty/.project
+++ b/apps/jetty/.project
@@ -10,6 +10,19 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
+			<arguments>
+				<dictionary>
+					<key>LaunchConfigHandle</key>
+					<value>&lt;project&gt;/.externalToolBuilders/jetty-makejar.launch</value>
+				</dictionary>
+				<dictionary>
+					<key>incclean</key>
+					<value>true</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
diff --git a/core/java/.externalToolBuilders/core-makejar.launch b/core/java/.externalToolBuilders/core-makejar.launch
new file mode 100644
index 000000000..1b8d1e399
--- /dev/null
+++ b/core/java/.externalToolBuilders/core-makejar.launch
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
+<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_CLEAN_TARGETS" value="distclean,"/>
+<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_MANUAL_TARGETS" value="jar,"/>
+<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
+<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
+<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
+<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
+<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="i2p_sdk"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/i2p_sdk/build.xml}"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="incremental,clean"/>
+<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/i2p_sdk}"/>
+<stringAttribute key="process_factory_id" value="org.eclipse.ant.ui.remoteAntProcessFactory"/>
+</launchConfiguration>
diff --git a/core/java/.project b/core/java/.project
index 92e9e9a38..3d6ab5374 100644
--- a/core/java/.project
+++ b/core/java/.project
@@ -10,6 +10,20 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+				<dictionary>
+					<key>LaunchConfigHandle</key>
+					<value>&lt;project&gt;/.externalToolBuilders/core-makejar.launch</value>
+				</dictionary>
+				<dictionary>
+					<key>incclean</key>
+					<value>true</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>
diff --git a/router/java/.externalToolBuilders/router-makejar.launch b/router/java/.externalToolBuilders/router-makejar.launch
new file mode 100644
index 000000000..cc90df186
--- /dev/null
+++ b/router/java/.externalToolBuilders/router-makejar.launch
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
+<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_CLEAN_TARGETS" value="distclean,"/>
+<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_MANUAL_TARGETS" value="jar,"/>
+<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
+<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
+<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${project}"/>
+<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="false"/>
+<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
+<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="i2p_router"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/i2p_router/build.xml}"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="incremental,clean"/>
+<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
+<stringAttribute key="org.eclipse.ui.externaltools.ATTR_WORKING_DIRECTORY" value="${workspace_loc:/i2p_router}"/>
+</launchConfiguration>
diff --git a/router/java/.project b/router/java/.project
index 0fb314e4e..3ae80fccc 100644
--- a/router/java/.project
+++ b/router/java/.project
@@ -10,6 +10,20 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+				<dictionary>
+					<key>LaunchConfigHandle</key>
+					<value>&lt;project&gt;/.externalToolBuilders/router-makejar.launch</value>
+				</dictionary>
+				<dictionary>
+					<key>incclean</key>
+					<value>true</value>
+				</dictionary>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>org.eclipse.jdt.core.javanature</nature>