diff --git a/farm-aggregator/scripts/dropbox-test.js b/farm-aggregator/scripts/dropbox-test.js
new file mode 100644
index 0000000..ed77084
--- /dev/null
+++ b/farm-aggregator/scripts/dropbox-test.js
@@ -0,0 +1,54 @@
+/**
+ * Tests Dropbox connectivity and upload access.
+ * Run: node scripts/dropbox-test.js
+ */
+import 'dotenv/config';
+import { Dropbox } from 'dropbox';
+
+const dbx = new Dropbox({
+  clientId:     process.env.DROPBOX_APP_KEY,
+  clientSecret: process.env.DROPBOX_APP_SECRET,
+  refreshToken: process.env.DROPBOX_REFRESH_TOKEN,
+});
+
+async function run() {
+  // 1. Check account info
+  try {
+    const account = await dbx.usersGetCurrentAccount();
+    console.log('✅ Connected as:', account.result.name.display_name);
+  } catch (e) {
+    console.error('❌ Auth failed:', e.message);
+    process.exit(1);
+  }
+
+  // 2. Try listing root
+  try {
+    const root = await dbx.filesListFolder({ path: '' });
+    console.log('\n📁 Root folder contents:');
+    root.result.entries.forEach((e) => console.log(' ', e['.tag'] === 'folder' ? '📁' : '📄', e.name));
+  } catch (e) {
+    console.error('❌ Cannot list root:', e.message);
+  }
+
+  // 3. Try uploading a test file to /Farm/Summaries
+  const outbox = process.env.DROPBOX_OUTBOX_PATH ?? '/Farm/Summaries';
+  const testPath = `${outbox}/test_${Date.now()}.txt`;
+  try {
+    await dbx.filesUpload({
+      path: testPath,
+      contents: `Test upload at ${new Date().toISOString()}`,
+      mode: { '.tag': 'overwrite' },
+    });
+    console.log(`\n✅ Upload succeeded → ${testPath}`);
+    // Clean up
+    await dbx.filesDeleteV2({ path: testPath });
+    console.log('🧹 Test file cleaned up');
+  } catch (e) {
+    console.error(`\n❌ Upload to ${testPath} failed:`, e.message ?? e);
+    console.log('\n→ If this is a 400/path error, your Dropbox app likely has App Folder access only.');
+    console.log('  Fix: go to dropbox.com/developers → your app → Permissions → change to Full Dropbox');
+    console.log('  Then regenerate your refresh token (run dropbox-auth.js again).');
+  }
+}
+
+run();