diff --git a/.github/workflows/__zstd-bundle-streaming.yml b/.github/workflows/__zstd-bundle-streaming.yml
new file mode 100644
index 000000000..9d6130347
--- /dev/null
+++ b/.github/workflows/__zstd-bundle-streaming.yml
@@ -0,0 +1,118 @@
+# Warning: This file is generated automatically, and should not be modified.
+# Instead, please modify the template in the pr-checks directory and run:
+#     (cd pr-checks; pip install ruamel.yaml@0.17.31 && python3 sync.py)
+# to regenerate this file.
+
+name: PR Check - Zstandard bundle (streaming)
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  GO111MODULE: auto
+on:
+  push:
+    branches:
+      - main
+      - releases/v*
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+      - ready_for_review
+  schedule:
+    - cron: '0 5 * * *'
+  workflow_dispatch: {}
+jobs:
+  zstd-bundle-streaming:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: macos-latest
+            version: linked
+          - os: ubuntu-latest
+            version: linked
+    name: Zstandard bundle (streaming)
+    permissions:
+      contents: read
+      security-events: write
+    timeout-minutes: 45
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Setup Python on MacOS
+        uses: actions/setup-python@v5
+        if: >-
+          runner.os == 'macOS' && (
+
+          matrix.version == 'stable-v2.13.5' ||
+
+          matrix.version == 'stable-v2.14.6')
+        with:
+          python-version: '3.11'
+      - name: Check out repository
+        uses: actions/checkout@v4
+      - name: Prepare test
+        id: prepare-test
+        uses: ./.github/actions/prepare-test
+        with:
+          version: ${{ matrix.version }}
+          use-all-platform-bundle: 'false'
+          setup-kotlin: 'true'
+      - name: Remove CodeQL from toolcache
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fs = require('fs');
+            const path = require('path');
+            const codeqlPath = path.join(process.env['RUNNER_TOOL_CACHE'], 'CodeQL');
+            fs.rmdirSync(codeqlPath, { recursive: true });
+      - id: init
+        uses: ./../action/init
+        with:
+          languages: javascript
+          tools: ${{ steps.prepare-test.outputs.tools-url }}
+      - uses: ./../action/analyze
+        with:
+          output: ${{ runner.temp }}/results
+          upload-database: false
+      - name: Upload SARIF
+        uses: actions/upload-artifact@v3
+        with:
+          name: zstd-bundle.sarif
+          path: ${{ runner.temp }}/results/javascript.sarif
+          retention-days: 7
+      - name: Check diagnostic with expected tools URL appears in SARIF
+        uses: actions/github-script@v7
+        env:
+          SARIF_PATH: ${{ runner.temp }}/results/javascript.sarif
+        with:
+          script: |
+            const fs = require('fs');
+
+            const sarif = JSON.parse(fs.readFileSync(process.env['SARIF_PATH'], 'utf8'));
+            const run = sarif.runs[0];
+
+            const toolExecutionNotifications = run.invocations[0].toolExecutionNotifications;
+            const downloadTelemetryNotifications = toolExecutionNotifications.filter(n =>
+              n.descriptor.id === 'codeql-action/bundle-download-telemetry'
+            );
+            if (downloadTelemetryNotifications.length !== 1) {
+              core.setFailed(
+                'Expected exactly one reporting descriptor in the ' +
+                  `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
+                  `${downloadTelemetryNotifications.length}. All notification reporting descriptors: ` +
+                  `${JSON.stringify(toolExecutionNotifications)}.`
+              );
+            }
+
+            const toolsUrl = downloadTelemetryNotifications[0].properties.attributes.toolsUrl;
+            console.log(`Found tools URL: ${toolsUrl}`);
+
+            if (!toolsUrl.endsWith('.tar.zst')) {
+              core.setFailed(
+                `Expected the tools URL to be a .tar.zst file, but found ${toolsUrl}.`
+              );
+            }
+    env:
+      CODEQL_ACTION_ZSTD_BUNDLE: true
+      CODEQL_ACTION_ZSTD_BUNDLE_STREAMING_EXTRACTION: true
+      CODEQL_ACTION_TEST_MODE: true
diff --git a/pr-checks/checks/zstd-bundle-streaming.yml b/pr-checks/checks/zstd-bundle-streaming.yml
new file mode 100644
index 000000000..40937fa14
--- /dev/null
+++ b/pr-checks/checks/zstd-bundle-streaming.yml
@@ -0,0 +1,66 @@
+name: "Zstandard bundle (streaming)"
+description: "Stream the download and extraction of a Zstandard-compressed CodeQL Bundle"
+versions:
+  - linked
+operatingSystems:
+  - macos
+  - ubuntu
+env:
+  CODEQL_ACTION_ZSTD_BUNDLE: true
+  CODEQL_ACTION_ZSTD_BUNDLE_STREAMING_EXTRACTION: true
+steps:
+  - name: Remove CodeQL from toolcache
+    uses: actions/github-script@v7
+    with:
+      script: |
+        const fs = require('fs');
+        const path = require('path');
+        const codeqlPath = path.join(process.env['RUNNER_TOOL_CACHE'], 'CodeQL');
+        fs.rmdirSync(codeqlPath, { recursive: true });
+  - id: init
+    uses: ./../action/init
+    with:
+      languages: javascript
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+  - uses: ./../action/analyze
+    with:
+      output: ${{ runner.temp }}/results
+      upload-database: false
+  - name: Upload SARIF
+    uses: actions/upload-artifact@v3
+    with:
+      name: zstd-bundle.sarif
+      path: ${{ runner.temp }}/results/javascript.sarif
+      retention-days: 7
+  - name: Check diagnostic with expected tools URL appears in SARIF
+    uses: actions/github-script@v7
+    env:
+      SARIF_PATH: ${{ runner.temp }}/results/javascript.sarif
+    with:
+      script: |
+        const fs = require('fs');
+
+        const sarif = JSON.parse(fs.readFileSync(process.env['SARIF_PATH'], 'utf8'));
+        const run = sarif.runs[0];
+
+        const toolExecutionNotifications = run.invocations[0].toolExecutionNotifications;
+        const downloadTelemetryNotifications = toolExecutionNotifications.filter(n =>
+          n.descriptor.id === 'codeql-action/bundle-download-telemetry'
+        );
+        if (downloadTelemetryNotifications.length !== 1) {
+          core.setFailed(
+            'Expected exactly one reporting descriptor in the ' +
+              `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
+              `${downloadTelemetryNotifications.length}. All notification reporting descriptors: ` +
+              `${JSON.stringify(toolExecutionNotifications)}.`
+          );
+        }
+
+        const toolsUrl = downloadTelemetryNotifications[0].properties.attributes.toolsUrl;
+        console.log(`Found tools URL: ${toolsUrl}`);
+
+        if (!toolsUrl.endsWith('.tar.zst')) {
+          core.setFailed(
+            `Expected the tools URL to be a .tar.zst file, but found ${toolsUrl}.`
+          );
+        }