diff --git a/server/cache-service.ts b/server/cache-service.ts
new file mode 100644
index 0000000..0ea7a54
--- /dev/null
+++ b/server/cache-service.ts
@@ -0,0 +1,35 @@
+import { promisify } from 'util';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as os from 'os';
+import artifactoryService from './artifactory-service';
+
+const readdir = promisify(fs.readdir);
+
+export default {
+  tmpDir: path.join(os.homedir(), '.npmfrog', 'package-cache'),
+
+  // tslint:disable-next-line:typedef
+  async fillCacheFromDisc() {
+    const promises = [];
+    const scopes = await readdir(this.tmpDir);
+    for (const scope of scopes) {
+      const packages = await readdir(path.join(this.tmpDir, scope));
+      for (const packageName of packages) {
+        const versions = await readdir(path.join(this.tmpDir, scope, packageName));
+        for (const version of versions) {
+          artifactoryService
+            .getPackageDetail({ scope, packageName, version })
+            .then(() => {
+              console.log(`caching ${scope}/${packageName}@${version} from disc`);
+            })
+            .catch(() => {
+              console.warn(
+                `${scope}/${packageName}@${version} on disc seems to be outdated. Is will not be cached.`,
+              );
+            });
+        }
+      }
+    }
+  },
+};
diff --git a/server/index.ts b/server/index.ts
index 04f1856..48be770 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -6,6 +6,7 @@ import * as morgan from 'morgan';
 import * as fs from 'fs-extra';
 import configService from './config-service';
 import artifactoryService from './artifactory-service';
+import cacheService from './cache-service';
 
 const portNumber = 30001;
 
@@ -117,3 +118,5 @@ app.get('/meta', (req, res) => {
 });
 
 app.listen(portNumber);
+
+cacheService.fillCacheFromDisc();