diff --git a/.github/workflows/split-cluster.yml b/.github/workflows/split-cluster-bisect.yml
similarity index 98%
rename from .github/workflows/split-cluster.yml
rename to .github/workflows/split-cluster-bisect.yml
index 98ebc67db02e0..c06fbefbef98a 100644
--- a/.github/workflows/split-cluster.yml
+++ b/.github/workflows/split-cluster-bisect.yml
@@ -1,6 +1,5 @@
 name: Split Cluster Check
-on: 
-  pull_request:
+on:
   push:
     branches:
       - main
diff --git a/.github/workflows/split-cluster-pr.yml b/.github/workflows/split-cluster-pr.yml
new file mode 100644
index 0000000000000..d9dc8a99cb3ee
--- /dev/null
+++ b/.github/workflows/split-cluster-pr.yml
@@ -0,0 +1,29 @@
+name: Split Cluster Check
+on: 
+  pull_request:
+jobs:
+  validate-mainnet:
+    runs-on: ubuntu-ghcloud
+    steps:
+      - name: checkout code repository
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # Pin v4.1.1
+        with:
+          fetch-depth: 0
+      - name: Run split cluster check script
+        id: mn-split-cluster-check
+        run: | 
+            SUI_PROTOCOL_CONFIG_CHAIN_OVERRIDE=mainnet \
+            scripts/compatibility/split-cluster-check.sh origin/mainnet ${{ github.sha }}
+
+  validate-testnet:
+    runs-on: ubuntu-ghcloud
+    steps:
+      - name: checkout code repository
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11  # Pin v4.1.1
+        with:
+          fetch-depth: 0
+      - name: Run split cluster check script
+        id: tn-split-cluster-check
+        run: | 
+            SUI_PROTOCOL_CONFIG_CHAIN_OVERRIDE=testnet \
+            scripts/compatibility/split-cluster-check.sh origin/testnet ${{ github.sha }}