diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
new file mode 100644
index 0000000..d2f7768
--- /dev/null
+++ b/.github/workflows/codeql-analysis.yml
@@ -0,0 +1,36 @@
+name: CodeQL
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+  schedule:
+    - cron: "0 6 * * 1" # Weekly Monday 6am UTC
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    if: "! github.event.pull_request.draft"
+    concurrency:
+      group: ${{ github.repository }}-${{ github.head_ref || github.sha }}-${{ github.workflow }}-${{ matrix.language }}
+      cancel-in-progress: true
+    permissions:
+      security-events: write
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [python, javascript]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3