diff --git a/SPECTRecon.json b/SPECTRecon.json
new file mode 100644
index 00000000..5d124ea4
--- /dev/null
+++ b/SPECTRecon.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": "Tomographic Reconstruction",
+  "scm_revision": "main",
+  "scm_url": "https://github.com/PyTomography/SlicerSPECTRecon.git"
+}