diff --git a/.github/workflows/run-on-label.yml b/.github/workflows/run-on-label.yml
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index 0000000..b6922ec
--- /dev/null
+++ b/.github/workflows/run-on-label.yml
@@ -0,0 +1,38 @@
+name: Manual Tests on Label
+
+on:
+  pull_request_target:
+    types: [labeled]
+
+jobs:
+  test-on-label:
+    if: github.event.label.name == 'run-tests'
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout PR code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Create Google credentials file
+        shell: bash
+        run: |
+          echo "$GOOGLE_APPLICATION_CREDENTIALS_JSON" > google-credentials.json
+        env:
+          GOOGLE_APPLICATION_CREDENTIALS_JSON: ${{ secrets.GOOGLE_APPLICATION_CREDENTIALS_JSON }}
+
+      - name: Run Vitest tests
+        env:
+          GOOGLEAI_API_KEY: ${{ secrets.GOOGLEAI_API_KEY }}
+          GOOGLE_APPLICATION_CREDENTIALS: ./google-credentials.json
+        run: npm test
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