diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4196c1..45d45c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- Example inventory guard cycle 078.
+
 ### Changed
 - Example inventory guard cycle 074.
 
diff --git a/package.json b/package.json
index 1b7440c..fefb325 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "validate:schemas": "node scripts/validate-schemas.js",
     "conformance:core-dp": "node profiles/core-dp/conformance/run-conformance.js",
     "check:schemas-readme": "node scripts/check-schemas-readme.js",
-    "test": "npm run validate:schemas && npm run check:schemas-readme && npm run check:cycle-035 && npm run check:cycle-036 && npm run check:cycle-037 && npm run check:cycle-038 && npm run check:cycle-039 && npm run check:cycle-040 && npm run check:cycle-042 && npm run check:cycle-046 && npm run check:cycle-050 && npm run check:cycle-054 && npm run check:cycle-058 && npm run check:cycle-062 && npm run check:cycle-066 && npm run check:cycle-070 && npm run check:cycle-074",
+    "test": "npm run validate:schemas && npm run check:schemas-readme && npm run check:cycle-035 && npm run check:cycle-036 && npm run check:cycle-037 && npm run check:cycle-038 && npm run check:cycle-039 && npm run check:cycle-040 && npm run check:cycle-042 && npm run check:cycle-046 && npm run check:cycle-050 && npm run check:cycle-054 && npm run check:cycle-058 && npm run check:cycle-062 && npm run check:cycle-066 && npm run check:cycle-070 && npm run check:cycle-074 && npm run check:cycle-078",
     "check:cycle-035": "node scripts/check-cycle-035.js",
     "check:cycle-036": "node scripts/check-cycle-036.js",
     "check:cycle-037": "node scripts/check-cycle-037.js",
@@ -28,7 +28,8 @@
     "check:cycle-062": "node scripts/check-cycle-062.js",
     "check:cycle-066": "node scripts/check-cycle-066.js",
     "check:cycle-070": "node scripts/check-cycle-070.js",
-    "check:cycle-074": "node scripts/check-cycle-074.js"
+    "check:cycle-074": "node scripts/check-cycle-074.js",
+    "check:cycle-078": "node scripts/check-cycle-078.js"
   },
   "devDependencies": {
     "ajv": "^8.20.0",
diff --git a/scripts/check-cycle-078.js b/scripts/check-cycle-078.js
new file mode 100644
index 0000000..1a116d0
--- /dev/null
+++ b/scripts/check-cycle-078.js
@@ -0,0 +1,10 @@
+const fs = require('fs');
+const path = require('path');
+const examplesDir = path.join(__dirname, '..', 'examples');
+const files = fs.readdirSync(examplesDir).filter((f) => f.endsWith('.json'));
+if (files.length < 1) {
+  console.error('expected example json files');
+  process.exit(1);
+}
+// cycle 78 marker ensures unique script
+console.log('examples ok', files.length, 'cycle 78');