diff --git a/.github/workflows/adam-artifacts.yml b/.github/workflows/adam-artifacts.yml
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+---
+name: Generate ADaM Artifacts
+
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+      - ready_for_review
+    branches:
+      - main
+
+permissions:
+  pull-requests: write
+
+jobs:
+  generate-artifacts:
+    name: Generate ADaM XPT files and Specs
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Setup R
+        uses: r-lib/actions/setup-r@v2
+
+      - name: Setup R Dependencies
+        uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          cache: true
+
+      - name: Run ADaM R scripts
+        shell: Rscript {0}
+        run: |
+          # Run each ADaM script in order (ADSL first as other datasets may depend on it)
+          adam_scripts <- c(
+            "adam/adsl.R",
+            "adam/adae.R",
+            "adam/advs.R",
+            "adam/adrs.R",
+            "adam/adtte.R",
+            "adam/adpc.R",
+            "adam/adppk.R",
+            "adam/ader.R"
+          )
+
+          for (script in adam_scripts) {
+            message(sprintf("--- Running %s ---", script))
+            tryCatch(
+              source(script, local = new.env(parent = globalenv())),
+              error = function(e) message(sprintf("ERROR in %s: %s", script, conditionMessage(e)))
+            )
+          }
+
+          message("ADaM script execution complete.")
+
+      - name: Collect XPT files and specs
+        run: |
+          mkdir -p adam_artifacts
+
+          # Copy all XPT files generated by the ADaM scripts
+          find /tmp -name "*.xpt" -type f -exec cp -v {} adam_artifacts/ \;
+
+          # Copy all spec files from metadata/
+          cp -v metadata/*.xlsx adam_artifacts/ 2>/dev/null || true
+          cp -v metadata/*.csv adam_artifacts/ 2>/dev/null || true
+
+          echo ""
+          echo "=== Artifact contents ==="
+          ls -lh adam_artifacts/
+
+      - name: Upload ADaM XPT files and specs
+        uses: actions/upload-artifact@v4
+        with:
+          name: adam-xpt-and-specs
+          path: adam_artifacts/
+          if-no-files-found: warn
+          retention-days: 14
+
+      - name: Post PR comment with artifact link
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          header: "ADaM Artifacts"
+          message: |
+            ## ADaM XPT Files & Specs
+
+            The ADaM XPT files and specification files have been generated and are available as a downloadable artifact.
+
+            📦 **[Download adam-xpt-and-specs](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})**
+
+            The artifact contains:
+            - All generated `.xpt` files (ADSL, ADAE, ADVS, ADRS, ADTTE, ADPC, ADPPK, ADER)
+            - Specification files from `metadata/` (`.xlsx`, `.csv`)
+
+            > **Note:** Artifacts can be downloaded from the [Actions run page](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}) under the *Artifacts* section at the bottom.
+        env:
+          GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}