diff --git a/.github/workflows/changed_files.yml b/.github/workflows/changed_files.yml
new file mode 100644
index 000000000..295d0c853
--- /dev/null
+++ b/.github/workflows/changed_files.yml
@@ -0,0 +1,113 @@
+name: List files changed as GitHub comment
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  list-files-changed:
+    if: github.event.pull_request.head.repo.full_name == github.repository
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+
+      - name: Format list of changed files
+        id: format
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          declare -a output added_files modified_files removed_files no_preview_files
+
+          pr_num="${{ github.event.pull_request.number }}"
+
+          all_changed_files="$(gh pr view ${pr_num} --json files --jq '.files.[].path')"
+          for changed_file in "${all_changed_files[@]}"; do
+            status="$(echo '$changed_file' | awk -F ' ' {'print $1'})"
+            echo "Status: $status"
+            path="$(echo '$changed_file' | awk -F ' ' {'print $2'})"
+            echo "Path: $path"
+            if [ "$status" = "added" ]; then
+              added_files+=("$path")
+            elif [ "$status = "modified" ]; then
+              modified_files+=("$path")
+            elif [ "$status" = "removed" ]; then
+              removed_files+=("path")
+            fi
+          done
+
+          echo "Added:"
+          echo "${added_files[@}"
+          echo
+
+          echo "Modified:"
+          echo "${modified_files[@}"
+          echo
+
+          echo "Removed:"
+          echo "${removed_files[@}"
+          echo
+
+          function generatePreviewURL() {
+            # Preprocess input paths to output paths
+            #   using # as sed separation character
+            #
+            #   - Remove content/
+            #   - Remove _index/
+            #   - Remove integration_tutorials/
+
+            # Generate HTML preview links for added files in content/
+            for file in ${added_files[@]}; do
+              if [[ "$file" =~ .*\/content\/.*\.md ]]; then
+                output_path=$(echo "$file" | sed -E 's#content\/##g' | sed -E 's#/_index/##g' | sed -E 's#integration-tutorials\/##g')
+                preview_link="<a href=\"https://docs-$pr_num.docodile.pages.dev/$output_path" target=\"_blank\" rel=\"noopener\">$file</a>"
+                output+=("<li><b>Added</b>: $preview_link</li>")
+              else
+                no_preview_links+=("<b>Added, no preview</b>: $file")
+              fi
+            done
+
+            # Generate HTML preview links for modified files in content/
+            for file in ${modified_files[@]}; do
+              if [[ "$file" =~ .*\/content\/.*\.md ]]; then
+                output_path=$(echo "$file" | sed -E 's#content\/##g' | sed -E 's#/_index/##g' | sed -E 's#integration-tutorials\/##g')
+                preview_link="<a href=\"https://docs-$pr_num.docodile.pages.dev/$output_path" target=\"_blank\" rel=\"noopener\">$file</a>"
+                output+=("<li><b>Modified</b>: $preview_link</li>")
+              else
+                no_preview_links+=("<b>Modified, no preview</b>: $file")
+              fi
+            done
+
+            # Process removed files
+            for file in ${removed_files[@]}; do
+              no_preview_links+=("<b>Removed, no preview</b>: $file")
+            done
+
+            # Process no preview 
+            for file in ${no_preview_files[@]}; do
+              output+=("<li>$file</li>")
+            done
+          }
+          # Compose the body
+          body="<ul>${output[@]}</ul>"
+          echo "body:\n\n$body"
+          echo "body=$body" >> $GITHUB_ENV
+
+      - name: Find Comment
+        uses: peter-evans/find-comment@v2.0.1
+        id: find-comment
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          comment-author: 'github-actions[bot]'
+          body-includes: 'HTML previews:'
+
+      - name: Create comment
+        uses: peter-evans/create-or-update-comment@v2.1.0
+        with:
+          comment-id: ${{ steps.find-comment.outputs.comment-id }}
+          issue-number: ${{ github.event.pull_request.number }}
+          edit-mode: replace
+          body: |
+            <h3>HTML previews:</h3><ul>${{ env.body }}</ul><p>Preview links work <b>only</b> after the `Cloudflare Pages` build check succeeds. Links are generated only for new and modified <code>.md</code> files under <code>content/</code>.</p><p><a href="https://github.com/wandb/docs/issues/new?title=Feedback+about+HTML+preview+comments&assignees=mdlinville&body=Link+to+PR+and+describe+the+issue">Feedback about HTML previews</a>