diff --git a/.github/workflows/automated-dev-tests.yml b/.github/workflows/automated-dev-tests.yml
index aa613778cc..c2c1fd8024 100644
--- a/.github/workflows/automated-dev-tests.yml
+++ b/.github/workflows/automated-dev-tests.yml
@@ -43,6 +43,8 @@ jobs:
         with:
           python-version: '3.9'
           cache: 'pip'
+      - name: Set up MATLAB
+        uses: matlab-actions/setup-matlab@v1
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -67,6 +69,7 @@ jobs:
             -DVARIABLE_TRACKING=OFF \
             -DBUILD_TESTING:BOOL=ON \
             -DCTEST_PLOT_ERRORS:BOOL=ON \
+            -DBUILD_OPENFAST_SIMULINK_API=ON \
             ${GITHUB_WORKSPACE}
             # -DDOUBLE_PRECISION=OFF \
       - name: Build all
@@ -175,6 +178,8 @@ jobs:
         with:
           python-version: '3.9'
           cache: 'pip'
+      - name: Set up MATLAB
+        uses: matlab-actions/setup-matlab@v1
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -203,6 +208,7 @@ jobs:
             -DBUILD_SHARED_LIBS:BOOL=OFF \
             -DBUILD_TESTING:BOOL=ON \
             -DCTEST_PLOT_ERRORS:BOOL=ON \
+            -DBUILD_OPENFAST_SIMULINK_API=ON \
             ${GITHUB_WORKSPACE}
       - name: Build openfast-postlib
         working-directory: ${{runner.workspace}}/openfast/build
@@ -612,6 +618,36 @@ jobs:
             !${{runner.workspace}}/openfast/build/reg_tests/glue-codes/openfast/WP_Baseline
 
 
+  rtest-OF-simulink:
+    runs-on: ubuntu-22.04
+    needs: build-openfast-release
+    steps:
+      - name: Cache the workspace
+        uses: actions/cache@v3.0.4
+        with:
+          path: ${{runner.workspace}}
+          key: build-openfast-release-${{ github.sha }}
+      - name: Install dependencies
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y libhdf5-dev libopenmpi-dev libyaml-cpp-dev libopenblas-dev libopenblas-openmp-dev
+      - name: Set up MATLAB
+        uses: matlab-actions/setup-matlab@v1
+      - name: Build FAST_SFunc
+        working-directory: ${{runner.workspace}}/openfast/build
+        run: |
+          cmake \
+            -DUSE_LOCAL_STATIC_LAPACK:BOOL=ON \
+            ${GITHUB_WORKSPACE}
+          cmake --build . --target FAST_SFunc
+      - name: Run MATLAB tests and generate artifacts
+        uses: matlab-actions/run-tests@v1
+        with:
+          source-folder: ${{runner.workspace}}/openfast/build/glue-codes/simulink; ${{runner.workspace}}/openfast/glue-codes/simulink/examples
+          test-results-junit: test-results/results.xml
+          code-coverage-cobertura: code-coverage/coverage.xml
+
+
   rtest-OF-5MW_OC4Semi_WSt_WavesWN:
     runs-on: ubuntu-22.04
     needs: build-openfast-release
diff --git a/glue-codes/simulink/CMakeLists.txt b/glue-codes/simulink/CMakeLists.txt
index 1da4052938..b84ee0d80d 100644
--- a/glue-codes/simulink/CMakeLists.txt
+++ b/glue-codes/simulink/CMakeLists.txt
@@ -33,12 +33,13 @@ set(MEX_LIBS
   $<TARGET_FILE:sctypeslib>
   $<TARGET_FILE:servodynlib-matlab> # MATLAB Specific
   $<TARGET_FILE:subdynlib>
-  $<TARGET_FILE:foamfastlib>
+  $<TARGET_FILE:extinflowlib>
   $<TARGET_FILE:ifwlib>
   $<TARGET_FILE:scfastlib>
-  $<TARGET_FILE:foamtypeslib>
+  $<TARGET_FILE:extinflowtypeslib>
   $<TARGET_FILE:versioninfolib>
   $<TARGET_FILE:nwtclibs-matlab>    # MATLAB Specific
+  $<TARGET_FILE:seastlib>
 )
 
 # Build the matlab shared library (mex) using the current toolchain.
@@ -69,7 +70,7 @@ set_target_properties(FAST_SFunc PROPERTIES
   Fortran_MODULE_DIRECTORY ${CMAKE_Fortran_MODULE_DIRECTORY}/matlab)
 target_include_directories(FAST_SFunc PUBLIC 
   $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/modules/openfast-library/src>
-  $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/modules/openfoam/src>
+  $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/modules/externalinflow/src>
   $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/modules/supercontroller/src>
 )
 if(APPLE OR UNIX)
diff --git a/glue-codes/simulink/examples/test_openfast_simulink.m b/glue-codes/simulink/examples/test_openfast_simulink.m
new file mode 100644
index 0000000000..0686b125bd
--- /dev/null
+++ b/glue-codes/simulink/examples/test_openfast_simulink.m
@@ -0,0 +1,31 @@
+%% Test OpenFAST Simulink Interface
+classdef test_openfast_simulink < matlab.unittest.TestCase
+    
+    %% Test Method Block
+    methods (Test)
+        
+        function testOpenLoopRuns(testCase)
+
+            workspace_root = getenv("GITHUB_WORKSPACE");
+
+            this_file_path = fileparts(which(mfilename()));
+
+            cd(this_file_path);
+            
+            % these variables are defined in the OpenLoop model's FAST_SFunc block:
+            FAST_InputFileName = fullfile(workspace_root, 'reg_tests', 'r-test', 'glue-codes', 'openfast', 'AOC_WSt', 'AOC_WSt.fst');
+            TMax               = 5; % seconds
+
+            mdl = "OpenLoop";
+            
+            %simIn = Simulink.SimulationInput(mdl);
+            %simIn = setBlockParameter(simIn, "sldemo_househeat/Set Point", "Value", FAST_InputFileName);
+
+            assignin("base", "FAST_InputFileName", FAST_InputFileName);
+            assignin("base", "TMax", TMax);
+            
+            sim(mdl, [0,TMax]);
+          
+        end
+    end
+end