diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
new file mode 100644
index 000000000..6c19e9b4b
--- /dev/null
+++ b/.mvn/extensions.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extensions>
+  <extension>
+    <groupId>org.eclipse.tycho</groupId>
+    <artifactId>tycho-build</artifactId>
+    <version>${tycho.version}</version>
+  </extension>
+</extensions>
diff --git a/.mvn/maven.config b/.mvn/maven.config
new file mode 100644
index 000000000..41217c968
--- /dev/null
+++ b/.mvn/maven.config
@@ -0,0 +1 @@
+-Dtycho.version=5.0.2
diff --git a/AGENTS.md b/AGENTS.md
index 6fe4580db..80d0688d9 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -41,11 +41,6 @@ mvn clean verify -f ./ddk-parent/pom.xml -pl :com.avaloq.tools.ddk.xtext
 mvn checkstyle:check pmd:check spotbugs:check -f ./ddk-parent/pom.xml
 ```
 
-**Important**: Set `WORKSPACE` environment variable to project root before building:
-```bash
-export WORKSPACE=$(pwd)
-```
-
 ## Quality Tools
 
 ### PMD
diff --git a/ddk-parent/pom.xml b/ddk-parent/pom.xml
index 736c78ffb..ab6dd15d6 100644
--- a/ddk-parent/pom.xml
+++ b/ddk-parent/pom.xml
@@ -425,5 +425,16 @@
         <test.javaOptions>${runtime.javaOptions} -XstartOnFirstThread</test.javaOptions>
       </properties>
     </profile>
+    <profile>
+      <id>default-workspace</id>
+      <activation>
+        <property>
+          <name>!env.WORKSPACE</name>
+        </property>
+      </activation>
+      <properties>
+        <workspace>${maven.multiModuleProjectDirectory}</workspace>
+      </properties>
+    </profile>
   </profiles>
 </project>