diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9ef9b327d..0601623ed 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -79,6 +79,26 @@ jobs:
           event_type: downstream-ci-hpc
           payload: '{"fdb": "ecmwf/fdb@${{ github.event.pull_request.head.sha || github.sha }}"}'
 
+  downstream-triage:
+    name: downstream-triage
+    needs:
+      - downstream-ci
+      - private-downstream-ci
+      - downstream-ci-hpc
+      - private-downstream-ci-hpc
+    if: ${{ !github.event.pull_request.draft && always() && !github.event.pull_request.head.repo.fork && (github.event.action != 'labeled' || github.event.label.name == 'approved-for-ci') }}
+    uses: ./.github/workflows/downstream-triage.yml
+    permissions:
+      actions: read
+      checks: read
+      contents: read
+    with:
+      downstream_ci_result: ${{ needs.downstream-ci.result }}
+      private_downstream_ci_result: ${{ needs.private-downstream-ci.result }}
+      downstream_ci_hpc_result: ${{ needs.downstream-ci-hpc.result }}
+      private_downstream_ci_hpc_result: ${{ needs.private-downstream-ci-hpc.result }}
+      run_url: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+
   notify:
     runs-on: ubuntu-latest
     needs:
diff --git a/.github/workflows/downstream-triage.yml b/.github/workflows/downstream-triage.yml
new file mode 100644
index 000000000..3550180d2
--- /dev/null
+++ b/.github/workflows/downstream-triage.yml
@@ -0,0 +1,129 @@
+name: downstream-triage
+
+on:
+  workflow_call:
+    inputs:
+      downstream_ci_result:
+        required: true
+        type: string
+      private_downstream_ci_result:
+        required: true
+        type: string
+      downstream_ci_hpc_result:
+        required: true
+        type: string
+      private_downstream_ci_hpc_result:
+        required: true
+        type: string
+      run_url:
+        required: true
+        type: string
+
+jobs:
+  downstream-triage:
+    name: downstream-triage
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      checks: read
+      contents: read
+    steps:
+      - name: CI Triage
+        env:
+          DOWNSTREAM_CI_RESULT: ${{ inputs.downstream_ci_result }}
+          PRIVATE_DOWNSTREAM_CI_RESULT: ${{ inputs.private_downstream_ci_result }}
+          DOWNSTREAM_CI_HPC_RESULT: ${{ inputs.downstream_ci_hpc_result }}
+          PRIVATE_DOWNSTREAM_CI_HPC_RESULT: ${{ inputs.private_downstream_ci_hpc_result }}
+          RUN_URL: ${{ inputs.run_url }}
+        run: |
+          {
+            echo "## Downstream CI Triage"
+            echo
+            echo "- downstream-ci: ${DOWNSTREAM_CI_RESULT}"
+            echo "- private-downstream-ci: ${PRIVATE_DOWNSTREAM_CI_RESULT}"
+            echo "- downstream-ci-hpc: ${DOWNSTREAM_CI_HPC_RESULT}"
+            echo "- private-downstream-ci-hpc: ${PRIVATE_DOWNSTREAM_CI_HPC_RESULT}"
+            echo
+            echo "Workflow run: ${RUN_URL}"
+          } >> "$GITHUB_STEP_SUMMARY"
+
+      - name: List failed runs
+        if: ${{ inputs.downstream_ci_result == 'failure' || inputs.private_downstream_ci_result == 'failure' || inputs.downstream_ci_hpc_result == 'failure' || inputs.private_downstream_ci_hpc_result == 'failure' }}
+        uses: actions/github-script@v8
+        with:
+          script: |
+            const owner = context.repo.owner;
+            const repo = context.repo.repo;
+            const ref = context.sha;
+            const runId = context.runId;
+
+            const failedConclusions = new Set(['failure', 'timed_out', 'cancelled', 'startup_failure']);
+            const excludedPatterns = ['downstream-triage', 'notify'];
+            const isExcluded = (name) => {
+              const n = (name || '').toLowerCase();
+              return excludedPatterns.some((p) => n.includes(p));
+            };
+
+            // 1) Primary source: failed jobs in this workflow run.
+            const jobs = await github.paginate(github.rest.actions.listJobsForWorkflowRun, {
+              owner,
+              repo,
+              run_id: runId,
+              per_page: 100,
+            });
+
+            const failedJobs = jobs.filter((j) => {
+              if (!failedConclusions.has(j.conclusion)) {
+                return false;
+              }
+              if (isExcluded(j.name)) {
+                return false;
+              }
+              return true;
+            });
+
+            const checks = await github.paginate(github.rest.checks.listForRef, {
+              owner,
+              repo,
+              ref,
+              per_page: 100,
+            });
+
+            // 2) Secondary source: failed check-runs for this ref.
+            const failedChecks = checks.filter((c) => {
+              if (!failedConclusions.has(c.conclusion)) {
+                return false;
+              }
+              if (isExcluded(c.name)) {
+                return false;
+              }
+              return true;
+            });
+
+            const header = '### Failed Downstream Runs';
+            if (failedJobs.length === 0 && failedChecks.length === 0) {
+              await core.summary
+                .addRaw(`${header}\n\nNo failed runs found in jobs or check-runs.\n\n`)
+                .write();
+              return;
+            }
+
+            const jobLines = failedJobs.slice(0, 30).map((j) => {
+              const url = j.html_url || `${context.serverUrl}/${owner}/${repo}/actions/runs/${runId}`;
+              return `- [${j.name}](${url}) (${j.conclusion})`;
+            });
+
+            const checkLines = failedChecks.slice(0, 30).map((c) => {
+              const url = c.html_url || `${context.serverUrl}/${owner}/${repo}/actions/runs/${runId}`;
+              return `- [${c.name}](${url}) (${c.conclusion})`;
+            });
+
+            let out = `${header}\n\n`;
+            out += '#### Failed jobs in this workflow run\n\n';
+            out += jobLines.length ? `${jobLines.join('\n')}\n\n` : 'None\n\n';
+            out += '#### Failed check-runs on this ref\n\n';
+            out += checkLines.length ? `${checkLines.join('\n')}\n\n` : 'None\n\n';
+
+            await core.summary
+              .addRaw(out)
+              .write();