The tags entry should be keywords.

CISC · CISC · commit fd85869e22f6 · 2019-01-15T14:10:26.000+01:00
diff --git a/package.json b/package.json
@@ -2,7 +2,7 @@
   "name": "scjs",
   "version": "1.1.0",
   "description": "A simple interface to Scala Content Manager web-services",
-  "tags": [
+  "keywords": [
     "Scala",
     "Content Manager",
     "REST",
