diff --git a/MeasurementWithSpheres.json b/MeasurementWithSpheres.json
new file mode 100644
index 00000000..7dd4ddde
--- /dev/null
+++ b/MeasurementWithSpheres.json
@@ -0,0 +1,8 @@
+{
+    "$schema": "https://raw.githubusercontent.com/Slicer/Slicer/main/Schemas/slicer-extension-catalog-entry-schema-v1.0.0.json#",
+    "build_dependencies": [],
+    "build_subdirectory": ".",
+    "category": "Developer Tools",
+    "scm_revision": "main",
+    "scm_url": "https://github.com/cagatayalptekin/SlicerMeasurementWithSpheres.git"
+  }