diff --git a/.github/actions/run-standard-tests/action.yml b/.github/actions/run-standard-tests/action.yml
index 86c3b11bb..449e6088b 100644
--- a/.github/actions/run-standard-tests/action.yml
+++ b/.github/actions/run-standard-tests/action.yml
@@ -13,6 +13,18 @@ inputs:
   running-mode:
     description: Running mode (parallel or serial)
     required: true
+  test-khiops:
+    description: Test the MODL binary
+    required: false
+    default: 'true'
+  test-coclustering:
+    description: Test the MODL_Coclustering binary
+    required: false
+    default: 'true'
+  test-kni:
+    description: Test the KhiopsNativeInterface library via KNITransfer
+    required: false
+    default: 'true'
   config:
     description: Build configuration (debug or release)
     required: true
@@ -69,17 +81,27 @@ runs:
       run: |
         if [[ "${{ inputs.running-mode }}" == "parallel" ]] ; then
           export PARALLEL_ARG="-p 4"
+        else
+          export PARALLEL_ARG="-p 1"
         fi
         if [[ "${{ inputs.config }}" == "release" ]] ; then
-          $PYTHON $TEST_PY test/LearningTest/TestKhiops/Standard "${{ inputs.binary-path }}" ${PARALLEL_ARG}
-          $PYTHON $TEST_PY test/LearningTest/TestCoclustering/Standard "${{ inputs.binary-path }}" ${PARALLEL_ARG}
-          if [[ "${{ inputs.running-mode }}" != "parallel" ]] ; then 
+          if [[ "${{ inputs.test-khiops }}" == "true" ]] ; then
+            $PYTHON $TEST_PY test/LearningTest/TestKhiops/Standard "${{ inputs.binary-path }}" ${PARALLEL_ARG}
+          fi
+          if [[ "${{ inputs.test-coclustering }}" == "true" ]] ; then
+            $PYTHON $TEST_PY test/LearningTest/TestCoclustering/Standard "${{ inputs.binary-path }}" ${PARALLEL_ARG}
+          fi
+          if [[ "${{ inputs.test-kni }}" == "true" && "${{ inputs.running-mode }}" != "parallel" ]] ; then
             $PYTHON $TEST_PY test/LearningTest/TestKNI/Standard "${{ inputs.binary-path }}"
           fi
         else
-          $PYTHON $TEST_PY test/LearningTest/TestKhiops/Standard/IrisLight "${{ inputs.binary-path }}" ${PARALLEL_ARG}
-          $PYTHON $TEST_PY test/LearningTest/TestCoclustering/Standard/Iris "${{ inputs.binary-path }}" ${PARALLEL_ARG}
-          if [[ "${{ inputs.running-mode }}" != "parallel" ]] ; then
+          if [[ "${{ inputs.test-khiops }}" == "true" ]] ; then
+            $PYTHON $TEST_PY test/LearningTest/TestKhiops/Standard/IrisLight "${{ inputs.binary-path }}" ${PARALLEL_ARG}
+          fi
+          if [[ "${{ inputs.test-coclustering }}" == "true" ]] ; then
+            $PYTHON $TEST_PY test/LearningTest/TestCoclustering/Standard/Iris "${{ inputs.binary-path }}" ${PARALLEL_ARG}
+          fi
+          if [[ "${{ inputs.test-kni }}" == "true" && "${{ inputs.running-mode }}" != "parallel" ]] ; then
             $PYTHON $TEST_PY test/LearningTest/TestKNI/Standard/Iris "${{ inputs.binary-path }}"
           fi
         fi
@@ -89,15 +111,23 @@ runs:
       run: |
         mkdir -p results
         if [[ "${{ inputs.config }}" == "release" ]] ; then
-          $PYTHON $APPLY_PY test/LearningTest/TestKhiops/Standard errors | tee -a results/errors.txt
-          $PYTHON $APPLY_PY test/LearningTest/TestCoclustering/Standard errors | tee -a results/errors.txt
-          if [[ "${{ inputs.running-mode }}" != "parallel" ]] ; then
+          if [[ "${{ inputs.test-khiops }}" == "true" ]] ; then
+            $PYTHON $APPLY_PY test/LearningTest/TestKhiops/Standard errors | tee -a results/errors.txt
+          fi
+          if [[ "${{ inputs.test-coclustering }}" == "true" ]] ; then
+            $PYTHON $APPLY_PY test/LearningTest/TestCoclustering/Standard errors | tee -a results/errors.txt
+          fi
+          if [[ "${{ inputs.test-kni }}" == "true" && "${{ inputs.running-mode }}" != "parallel" ]] ; then
             $PYTHON $APPLY_PY test/LearningTest/TestKNI/Standard errors | tee -a results/errors.txt
           fi
         else
-          $PYTHON $APPLY_PY test/LearningTest/TestKhiops/Standard/IrisLight errors | tee -a results/errors.txt
-          $PYTHON $APPLY_PY test/LearningTest/TestCoclustering/Standard/Iris errors | tee -a results/errors.txt
-          if [[ "${{ inputs.running-mode }}" != "parallel" ]] ; then
+          if [[ "${{ inputs.test-khiops }}" == "true" ]] ; then
+            $PYTHON $APPLY_PY test/LearningTest/TestKhiops/Standard/IrisLight errors | tee -a results/errors.txt
+          fi
+          if [[ "${{ inputs.test-coclustering }}" == "true" ]] ; then
+            $PYTHON $APPLY_PY test/LearningTest/TestCoclustering/Standard/Iris errors | tee -a results/errors.txt
+          fi
+          if [[ "${{ inputs.test-kni }}" == "true" && "${{ inputs.running-mode }}" != "parallel" ]] ; then
             $PYTHON $APPLY_PY test/LearningTest/TestKNI/Standard/Iris errors | tee -a results/errors.txt
           fi
         fi
diff --git a/.github/workflows/pack-pip.yml b/.github/workflows/pack-pip.yml
index 47e033a29..a965e9686 100644
--- a/.github/workflows/pack-pip.yml
+++ b/.github/workflows/pack-pip.yml
@@ -159,7 +159,7 @@ jobs:
           name: pkg-wheel-windows-2025-vs2026
           path: wheelhouse/*.whl
           if-no-files-found: error
-  test-khiops-core-wheel:
+  test-khiops-core-and-kni-wheels:
     strategy:
       matrix:
         setup:
@@ -171,7 +171,7 @@ jobs:
           - {os: macos-15-intel, image: ''}
     runs-on: ${{ matrix.setup.os }}
     container: ${{ matrix.setup.image }}
-    name: Test wheel
+    name: Test Khiops Core and KNI wheels with LearningTestTool
     needs: [build-wheel, sign-wheel-windows]
     steps:
       - uses: actions/checkout@v6
@@ -218,7 +218,7 @@ jobs:
           fi
           $PYTHON -m pip install --find-links=wheelhouse khiops-core
           $PYTHON -m pip show -f khiops-core
-      - name: Run standard tests
+      - name: Run standard tests on the Core package
         uses: ./.github/actions/run-standard-tests
         with:
           warning_as_error: true
@@ -227,6 +227,17 @@ jobs:
           binary-path: ${{ steps.install_khiops_core.outputs.BIN_DIR }}
           testing-context-description: pip-test-${{ matrix.setup.os }}-${{ matrix.setup.image
             }}
+      - name: Run standard tests on the KNI package
+        uses: ./.github/actions/run-standard-tests
+        with:
+          warning_as_error: true
+          running-mode: serial
+          test-khiops: false
+          test-coclustering: false
+          config: release
+          binary-path: ${{ steps.install_khiops_core.outputs.BIN_DIR }}
+          testing-context-description: pip-test-${{ matrix.setup.os }}-${{ matrix.setup.image
+            }}
   test-kni:
     name: Test KNI Python wheel
     needs: [build-wheel, sign-wheel-windows]
@@ -300,7 +311,7 @@ jobs:
     if: github.ref_type == 'tag' && github.repository_owner == 'KhiopsML' && inputs.python_repository
       == 'testpypi'
     name: Publish to Test.PyPI.org
-    needs: [build-wheel, test-khiops-core-wheel, test-kni]
+    needs: [build-wheel, test-khiops-core-and-kni-wheels, test-kni]
     runs-on: ubuntu-latest
     permissions:
       id-token: write
@@ -321,7 +332,7 @@ jobs:
     name: Publish to PyPI.org
     if: github.ref_type == 'tag' && github.repository_owner == 'KhiopsML' && inputs.python_repository
       == 'pypi'
-    needs: [build-wheel, test-khiops-core-wheel, test-kni]
+    needs: [build-wheel, test-khiops-core-and-kni-wheels, test-kni]
     runs-on: ubuntu-latest
     permissions:
       id-token: write
diff --git a/src/Learning/KNITransfer/CMakeLists.txt b/src/Learning/KNITransfer/CMakeLists.txt
index 6496ecd17..4273a2937 100644
--- a/src/Learning/KNITransfer/CMakeLists.txt
+++ b/src/Learning/KNITransfer/CMakeLists.txt
@@ -4,3 +4,19 @@ add_executable(KNITransfer ${cppfiles})
 set_khiops_options(KNITransfer)
 
 target_link_libraries(KNITransfer PUBLIC KhiopsNativeInterface KWLearningProblem DTForest PLParallelTask)
+
+# On Pip installations the KNI library is installed into `bin/`, in the same directory as KNITransfer, not into `lib/`.
+# Hence, append the binary's own directory to the rpath so that it is found at runtime on MacOS and Linux.
+if(IS_PIP AND NOT MSVC)
+  if(APPLE)
+    set_property(
+      TARGET KNITransfer
+      APPEND
+      PROPERTY INSTALL_RPATH "@loader_path")
+  else()
+    set_property(
+      TARGET KNITransfer
+      APPEND
+      PROPERTY INSTALL_RPATH "$ORIGIN")
+  endif()
+endif()