diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 000000000..1ca2cec7b
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @GoogleCloudPlatform/senseai-eco
\ No newline at end of file
diff --git a/.github/workflows/extension_tests.yml b/.github/workflows/extension_tests.yml
new file mode 100644
index 000000000..fc9d77fd5
--- /dev/null
+++ b/.github/workflows/extension_tests.yml
@@ -0,0 +1,74 @@
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Extension Tests
+on:
+  pull_request:
+  pull_request_target:
+    types: [labeled]
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  lint:
+    if: "${{ github.event.action != 'labeled' || github.event.label.name == 'tests: run' }}"
+    name: Run lint
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - name: Remove PR Label
+        if: "${{ github.event.action == 'labeled' && github.event.label.name == 'tests: run' }}"
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            try {
+              await github.rest.issues.removeLabel({
+                name: 'tests: run',
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: context.payload.pull_request.number
+              });
+            } catch (e) {
+              console.log('Failed to remove label. Another job may have already removed it!');
+            }
+
+      - name: Setup Python
+        uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
+        with:
+          python-version: "3.11"
+
+      - name: Checkout code
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
+
+      - name: Install Requirements
+        working-directory: ./extension-service
+        run: pip install -r requirements.txt -r requirements-text.txt
+
+      - name: Run lints
+        working-directory: ./extension-service
+        run: |
+          black --check .
+          isort --check . 
+          mypy . 
+
+      - name: Run tests
+        working-directory: ./extension-service
+        run: pytest .