diff --git a/actions/android/action.yml b/actions/android/action.yml
index 5c4e5a4b..8970d951 100644
--- a/actions/android/action.yml
+++ b/actions/android/action.yml
@@ -102,6 +102,26 @@ runs:
           ~/.android/avd
           ~/.android/adb*
         key: ${{ steps.avd-key.outputs.key }}
+    - name: Detect Package Manager
+      id: detect-pm
+      shell: bash
+      run: |
+        if [ -f "pnpm-lock.yaml" ]; then
+          echo "manager=pnpm" >> $GITHUB_OUTPUT
+          echo "runner=pnpm exec " >> $GITHUB_OUTPUT
+        elif [ -f "yarn.lock" ]; then
+          echo "manager=yarn" >> $GITHUB_OUTPUT
+          echo "runner=yarn " >> $GITHUB_OUTPUT
+        elif [ -f "bun.lockb" ]; then
+          echo "manager=bun" >> $GITHUB_OUTPUT
+          echo "runner=bunx " >> $GITHUB_OUTPUT
+        elif [ -f "deno.lock" ]; then
+          echo "manager=deno" >> $GITHUB_OUTPUT
+          echo "runner=deno run -A npm:" >> $GITHUB_OUTPUT
+        else
+          echo "manager=npm" >> $GITHUB_OUTPUT
+          echo "runner=npx " >> $GITHUB_OUTPUT
+        fi
     - name: Run E2E tests
       id: run-tests
       uses: reactivecircus/android-emulator-runner@v2
@@ -116,7 +136,7 @@ runs:
         script: |
           echo $(pwd)
           adb install -r ${{ inputs.app }}
-          pnpm react-native-harness --harnessRunner ${{ inputs.runner }}
+          ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4
diff --git a/actions/ios/action.yml b/actions/ios/action.yml
index 706d573a..6ac89d61 100644
--- a/actions/ios/action.yml
+++ b/actions/ios/action.yml
@@ -40,11 +40,30 @@ runs:
       working-directory: ${{ inputs.projectRoot }}
       run: |
         xcrun simctl install booted ${{ inputs.app }}
+    - name: Detect Package Manager
+      id: detect-pm
+      shell: bash
+      run: |
+        if [ -f "pnpm-lock.yaml" ]; then
+          echo "manager=pnpm" >> $GITHUB_OUTPUT
+          echo "runner=pnpm exec " >> $GITHUB_OUTPUT
+        elif [ -f "yarn.lock" ]; then
+          echo "manager=yarn" >> $GITHUB_OUTPUT
+          echo "runner=yarn " >> $GITHUB_OUTPUT
+        elif [ -f "bun.lockb" ]; then
+          echo "manager=bun" >> $GITHUB_OUTPUT
+          echo "runner=bunx " >> $GITHUB_OUTPUT
+        elif [ -f "deno.lock" ]; then
+          echo "manager=deno" >> $GITHUB_OUTPUT
+          echo "runner=deno run -A npm:" >> $GITHUB_OUTPUT
+        else
+          echo "manager=npm" >> $GITHUB_OUTPUT
+          echo "runner=npx " >> $GITHUB_OUTPUT
+        fi
     - name: Run E2E tests
       shell: bash
       working-directory: ${{ inputs.projectRoot }}
-      run: |
-        pnpm react-native-harness --harnessRunner ${{ inputs.runner }}
+      run: ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4
diff --git a/actions/web/action.yml b/actions/web/action.yml
index 5cd40061..bb18c85c 100644
--- a/actions/web/action.yml
+++ b/actions/web/action.yml
@@ -28,11 +28,30 @@ runs:
     - name: Install Playwright Browsers
       shell: bash
       run: npx playwright install --with-deps chromium
+    - name: Detect Package Manager
+      id: detect-pm
+      shell: bash
+      run: |
+        if [ -f "pnpm-lock.yaml" ]; then
+          echo "manager=pnpm" >> $GITHUB_OUTPUT
+          echo "runner=pnpm exec " >> $GITHUB_OUTPUT
+        elif [ -f "yarn.lock" ]; then
+          echo "manager=yarn" >> $GITHUB_OUTPUT
+          echo "runner=yarn " >> $GITHUB_OUTPUT
+        elif [ -f "bun.lockb" ]; then
+          echo "manager=bun" >> $GITHUB_OUTPUT
+          echo "runner=bunx " >> $GITHUB_OUTPUT
+        elif [ -f "deno.lock" ]; then
+          echo "manager=deno" >> $GITHUB_OUTPUT
+          echo "runner=deno run -A npm:" >> $GITHUB_OUTPUT
+        else
+          echo "manager=npm" >> $GITHUB_OUTPUT
+          echo "runner=npx " >> $GITHUB_OUTPUT
+        fi
     - name: Run E2E tests
       shell: bash
       working-directory: ${{ inputs.projectRoot }}
-      run: |
-        pnpm react-native-harness --harnessRunner ${{ inputs.runner }}
+      run: ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4
diff --git a/packages/github-action/src/android/action.yml b/packages/github-action/src/android/action.yml
index 5c4e5a4b..8970d951 100644
--- a/packages/github-action/src/android/action.yml
+++ b/packages/github-action/src/android/action.yml
@@ -102,6 +102,26 @@ runs:
           ~/.android/avd
           ~/.android/adb*
         key: ${{ steps.avd-key.outputs.key }}
+    - name: Detect Package Manager
+      id: detect-pm
+      shell: bash
+      run: |
+        if [ -f "pnpm-lock.yaml" ]; then
+          echo "manager=pnpm" >> $GITHUB_OUTPUT
+          echo "runner=pnpm exec " >> $GITHUB_OUTPUT
+        elif [ -f "yarn.lock" ]; then
+          echo "manager=yarn" >> $GITHUB_OUTPUT
+          echo "runner=yarn " >> $GITHUB_OUTPUT
+        elif [ -f "bun.lockb" ]; then
+          echo "manager=bun" >> $GITHUB_OUTPUT
+          echo "runner=bunx " >> $GITHUB_OUTPUT
+        elif [ -f "deno.lock" ]; then
+          echo "manager=deno" >> $GITHUB_OUTPUT
+          echo "runner=deno run -A npm:" >> $GITHUB_OUTPUT
+        else
+          echo "manager=npm" >> $GITHUB_OUTPUT
+          echo "runner=npx " >> $GITHUB_OUTPUT
+        fi
     - name: Run E2E tests
       id: run-tests
       uses: reactivecircus/android-emulator-runner@v2
@@ -116,7 +136,7 @@ runs:
         script: |
           echo $(pwd)
           adb install -r ${{ inputs.app }}
-          pnpm react-native-harness --harnessRunner ${{ inputs.runner }}
+          ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4
diff --git a/packages/github-action/src/ios/action.yml b/packages/github-action/src/ios/action.yml
index 706d573a..6ac89d61 100644
--- a/packages/github-action/src/ios/action.yml
+++ b/packages/github-action/src/ios/action.yml
@@ -40,11 +40,30 @@ runs:
       working-directory: ${{ inputs.projectRoot }}
       run: |
         xcrun simctl install booted ${{ inputs.app }}
+    - name: Detect Package Manager
+      id: detect-pm
+      shell: bash
+      run: |
+        if [ -f "pnpm-lock.yaml" ]; then
+          echo "manager=pnpm" >> $GITHUB_OUTPUT
+          echo "runner=pnpm exec " >> $GITHUB_OUTPUT
+        elif [ -f "yarn.lock" ]; then
+          echo "manager=yarn" >> $GITHUB_OUTPUT
+          echo "runner=yarn " >> $GITHUB_OUTPUT
+        elif [ -f "bun.lockb" ]; then
+          echo "manager=bun" >> $GITHUB_OUTPUT
+          echo "runner=bunx " >> $GITHUB_OUTPUT
+        elif [ -f "deno.lock" ]; then
+          echo "manager=deno" >> $GITHUB_OUTPUT
+          echo "runner=deno run -A npm:" >> $GITHUB_OUTPUT
+        else
+          echo "manager=npm" >> $GITHUB_OUTPUT
+          echo "runner=npx " >> $GITHUB_OUTPUT
+        fi
     - name: Run E2E tests
       shell: bash
       working-directory: ${{ inputs.projectRoot }}
-      run: |
-        pnpm react-native-harness --harnessRunner ${{ inputs.runner }}
+      run: ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4
diff --git a/packages/github-action/src/web/action.yml b/packages/github-action/src/web/action.yml
index 5cd40061..bb18c85c 100644
--- a/packages/github-action/src/web/action.yml
+++ b/packages/github-action/src/web/action.yml
@@ -28,11 +28,30 @@ runs:
     - name: Install Playwright Browsers
       shell: bash
       run: npx playwright install --with-deps chromium
+    - name: Detect Package Manager
+      id: detect-pm
+      shell: bash
+      run: |
+        if [ -f "pnpm-lock.yaml" ]; then
+          echo "manager=pnpm" >> $GITHUB_OUTPUT
+          echo "runner=pnpm exec " >> $GITHUB_OUTPUT
+        elif [ -f "yarn.lock" ]; then
+          echo "manager=yarn" >> $GITHUB_OUTPUT
+          echo "runner=yarn " >> $GITHUB_OUTPUT
+        elif [ -f "bun.lockb" ]; then
+          echo "manager=bun" >> $GITHUB_OUTPUT
+          echo "runner=bunx " >> $GITHUB_OUTPUT
+        elif [ -f "deno.lock" ]; then
+          echo "manager=deno" >> $GITHUB_OUTPUT
+          echo "runner=deno run -A npm:" >> $GITHUB_OUTPUT
+        else
+          echo "manager=npm" >> $GITHUB_OUTPUT
+          echo "runner=npx " >> $GITHUB_OUTPUT
+        fi
     - name: Run E2E tests
       shell: bash
       working-directory: ${{ inputs.projectRoot }}
-      run: |
-        pnpm react-native-harness --harnessRunner ${{ inputs.runner }}
+      run: ${{ steps.detect-pm.outputs.runner }}react-native-harness --harnessRunner ${{ inputs.runner }}
     - name: Upload visual test artifacts
       if: always() && inputs.uploadVisualTestArtifacts == 'true'
       uses: actions/upload-artifact@v4