diff --git a/website/package.json b/website/package.json
index e6d4cdd18..44297e93d 100644
--- a/website/package.json
+++ b/website/package.json
@@ -10,7 +10,8 @@
     "harp": "^0.24.0",
     "rollup": "^0.50.0",
     "uglify-js": "^2.7.3",
-    "broken-link-checker": "^0.7.6"
+    "broken-link-checker": "^0.7.6",
+    "valid-json-cli": "^1.3.0"
   },
   "dependencies": {},
   "scripts": {
@@ -20,6 +21,7 @@
     "babel": "babel www/assets/js/main.js --out-file www/assets/js/main.js --presets=es2015",
     "uglify": "uglifyjs www/assets/js/main.js --output www/assets/js/main.js",
 
+    "validate": "validjson universe/universe.json",
     "compile": "NODE_ENV=deploy harp compile",
     "bundle": "npm run rollup && npm run babel && npm run uglify",
     "deploy": "rsync -P --compress --recursive --checksum --delete --exclude=\".*\" --exclude=\"*.vue.js\" --exclude=\"README.html\" --exclude \"package.json\" --exclude \"www\" www/ $1"