diff --git a/.github/workflows/Audit.yml b/.github/workflows/Audit.yml
index 37c3bd37..bbe21f3a 100644
--- a/.github/workflows/Audit.yml
+++ b/.github/workflows/Audit.yml
@@ -10,7 +10,21 @@ on:
     - cron: '5 20 * * 5'
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   audit:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Moka
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 4b5d2cb5..0181f05d 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -16,7 +16,21 @@ on:
     - cron: '0 20 * * 5'
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   test:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
     strategy:
       # Continue running other jobs in the matrix even if one fails.
diff --git a/.github/workflows/CIQuantaDisabled.yml b/.github/workflows/CIQuantaDisabled.yml
index ef510403..f08b355b 100644
--- a/.github/workflows/CIQuantaDisabled.yml
+++ b/.github/workflows/CIQuantaDisabled.yml
@@ -16,7 +16,21 @@ on:
     - cron: '0 20 * * 5'
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   test:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
     strategy:
       # Continue running other jobs in the matrix even if one fails.
diff --git a/.github/workflows/Kani.yml b/.github/workflows/Kani.yml
index d4c31d55..9b67be92 100644
--- a/.github/workflows/Kani.yml
+++ b/.github/workflows/Kani.yml
@@ -17,7 +17,21 @@ on:
       - README.md
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   run-kani:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout Moka
diff --git a/.github/workflows/Lints.yml b/.github/workflows/Lints.yml
index 5612b0d0..d86a7d88 100644
--- a/.github/workflows/Lints.yml
+++ b/.github/workflows/Lints.yml
@@ -11,7 +11,21 @@ on:
     - cron:  '0 19 * * 5'
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   test:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
     strategy:
       matrix:
diff --git a/.github/workflows/LinuxCrossCompileTest.yml b/.github/workflows/LinuxCrossCompileTest.yml
index 926faac2..57ffd4a9 100644
--- a/.github/workflows/LinuxCrossCompileTest.yml
+++ b/.github/workflows/LinuxCrossCompileTest.yml
@@ -18,7 +18,21 @@ on:
     - cron:  '0 21 * * 5'
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   linux-cross:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
     strategy:
       # Continue running other jobs in the matrix even if one fails.
diff --git a/.github/workflows/Miri.yml b/.github/workflows/Miri.yml
index 2871bfd9..1d6a6a39 100644
--- a/.github/workflows/Miri.yml
+++ b/.github/workflows/Miri.yml
@@ -18,7 +18,21 @@ on:
     - cron:  '0 21 * * 5'
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   test:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/Skeptic.yml b/.github/workflows/Skeptic.yml
index ae9a9064..28d9a0fa 100644
--- a/.github/workflows/Skeptic.yml
+++ b/.github/workflows/Skeptic.yml
@@ -11,7 +11,21 @@ on:
     - cron:  '0 21 * * 5'
 
 jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
   test:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
     runs-on: ubuntu-latest
     strategy:
       matrix: