diff --git a/legend-pure-ide-light/pom.xml b/legend-pure-ide-light/pom.xml
index b7793fac09..ceb2ba829e 100644
--- a/legend-pure-ide-light/pom.xml
+++ b/legend-pure-ide-light/pom.xml
@@ -155,6 +155,11 @@
             <artifactId>jackson-annotations</artifactId>
         </dependency>
 
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.eclipse.collections</groupId>
             <artifactId>eclipse-collections</artifactId>
diff --git a/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/PureIDEServer.java b/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/PureIDEServer.java
index e2fce0df68..42a2e43f35 100644
--- a/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/PureIDEServer.java
+++ b/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/PureIDEServer.java
@@ -27,11 +27,7 @@
 import org.eclipse.collections.api.list.MutableList;
 import org.eclipse.collections.api.set.MutableSet;
 import org.eclipse.jetty.servlets.CrossOriginFilter;
-import org.finos.legend.pure.ide.light.api.Activities;
-import org.finos.legend.pure.ide.light.api.FileManagement;
-import org.finos.legend.pure.ide.light.api.LifeCycle;
-import org.finos.legend.pure.ide.light.api.Service;
-import org.finos.legend.pure.ide.light.api.Suggestion;
+import org.finos.legend.pure.ide.light.api.*;
 import org.finos.legend.pure.ide.light.api.concept.Concept;
 import org.finos.legend.pure.ide.light.api.concept.MovePackageableElements;
 import org.finos.legend.pure.ide.light.api.concept.RenameConcept;
@@ -105,6 +101,7 @@ public void run(ServerConfiguration configuration, Environment environment) thro
         environment.jersey().register(new Activities(pureSession));
         environment.jersey().register(new FileManagement(pureSession));
         environment.jersey().register(new LifeCycle(pureSession));
+        environment.jersey().register(new PureRuntimeOptions(pureSession));
 
         environment.jersey().register(new Suggestion(pureSession));
 
diff --git a/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/api/PureRuntimeOptions.java b/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/api/PureRuntimeOptions.java
new file mode 100644
index 0000000000..92d48e5036
--- /dev/null
+++ b/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/api/PureRuntimeOptions.java
@@ -0,0 +1,50 @@
+package org.finos.legend.pure.ide.light.api;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.swagger.annotations.Api;
+import org.finos.legend.pure.ide.light.session.PureSession;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.StreamingOutput;
+
+@Api(tags = "Pure Runtime Options")
+@Path("/pureRuntimeOptions")
+public class PureRuntimeOptions
+{
+    private final PureSession pureSession;
+
+    public PureRuntimeOptions(PureSession session)
+    {
+        this.pureSession = session;
+    }
+
+    @GET
+    public void setPureRuntimeOption(@PathParam("name") String optionName, @PathParam("value") Boolean value)
+    {
+        this.pureSession.setPureRuntimeOption(optionName, value);
+    }
+
+    @GET
+    public Boolean getPureRuntimeOption(@PathParam("optionName") String optionName)
+    {
+        return this.pureSession.getPureRuntimeOption(optionName);
+    }
+
+    @GET
+    public Response getAllPureRuntimeOptions(@Context HttpServletRequest request, @Context HttpServletResponse response)
+    {
+        return Response.ok((StreamingOutput) outputStream ->
+        {
+            ObjectMapper om = new ObjectMapper();
+            outputStream.write(om.writeValueAsBytes(this.pureSession.getAllPureRuntimeOptions()));
+            outputStream.close();
+        }).build();
+    }
+
+}
diff --git a/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/session/PureSession.java b/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/session/PureSession.java
index c1809901c6..d0ead46edf 100644
--- a/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/session/PureSession.java
+++ b/legend-pure-ide-light/src/main/java/org/finos/legend/pure/ide/light/session/PureSession.java
@@ -30,11 +30,7 @@
 import org.finos.legend.pure.m3.serialization.filesystem.usercodestorage.RepositoryCodeStorage;
 import org.finos.legend.pure.m3.serialization.filesystem.usercodestorage.composite.CompositeCodeStorage;
 import org.finos.legend.pure.m3.serialization.filesystem.usercodestorage.welcome.WelcomeCodeStorage;
-import org.finos.legend.pure.m3.serialization.runtime.ExecutedTestTracker;
-import org.finos.legend.pure.m3.serialization.runtime.Message;
-import org.finos.legend.pure.m3.serialization.runtime.PureRuntime;
-import org.finos.legend.pure.m3.serialization.runtime.PureRuntimeBuilder;
-import org.finos.legend.pure.m3.serialization.runtime.Source;
+import org.finos.legend.pure.m3.serialization.runtime.*;
 import org.finos.legend.pure.m3.statelistener.VoidExecutionActivityListener;
 import org.finos.legend.pure.m4.coreinstance.CoreInstance;
 import org.finos.legend.pure.m4.coreinstance.SourceInformation;
@@ -48,6 +44,7 @@
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.nio.file.Paths;
+import java.util.Map;
 import java.util.Optional;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.regex.Pattern;
@@ -69,6 +66,9 @@ public class PureSession
     public Message message = new Message("");
 
     public MutableList<RepositoryCodeStorage> repos;
+    private final Map<String, Boolean> pureRuntimeOptions = new ConcurrentHashMap<>();
+
+    private final String PURE_OPTION_PREFIX = "pure.option.";
 
     public PureSession(SourceLocationConfiguration sourceLocationConfiguration, MutableList<RepositoryCodeStorage> repos)
     {
@@ -82,8 +82,26 @@ public PureSession(SourceLocationConfiguration sourceLocationConfiguration, Muta
 
         this.functionExecution = new FunctionExecutionInterpreted(VoidExecutionActivityListener.VOID_EXECUTION_ACTIVITY_LISTENER);
 
+        for (String property : System.getProperties().stringPropertyNames())
+        {
+            if (property.startsWith(PURE_OPTION_PREFIX))
+            {
+                setPureRuntimeOption(property.substring(PURE_OPTION_PREFIX.length()), Boolean.getBoolean(property));
+            }
+        }
+
         this.codeStorage = new CompositeCodeStorage(this.repos.toArray(new RepositoryCodeStorage[0]));
-        this.pureRuntime = new PureRuntimeBuilder(this.codeStorage).withMessage(this.message).setUseFastCompiler(true).build();
+        this.pureRuntime = new PureRuntimeBuilder(this.codeStorage)
+                                .withMessage(this.message)
+                                .setUseFastCompiler(true)
+                                .withOptions(new RuntimeOptions() {
+                                    @Override
+                                    public boolean isOptionSet(String name) {
+                                        return getPureRuntimeOption(name);
+                                    }
+                                })
+                                .build();
+
         this.functionExecution.init(this.pureRuntime, this.message);
         this.codeStorage.initialize(this.message);
     }
@@ -103,6 +121,21 @@ public FunctionExecution getFunctionExecution()
         return this.functionExecution;
     }
 
+    public boolean getPureRuntimeOption(String optionName)
+    {
+        Boolean value = this.pureRuntimeOptions.get(optionName);
+        return value != null && value;
+    }
+
+    public Map<String, Boolean> getAllPureRuntimeOptions()
+    {
+        return this.pureRuntimeOptions;
+    }
+
+    public void setPureRuntimeOption(String optionName, boolean value)
+    {
+        this.pureRuntimeOptions.put(optionName, value);
+    }
     public TestRunner newTestRunner(int testRunId, TestCollection collection)
     {
         TestRunnerWrapper testRunnerWrapper = new TestRunnerWrapper(collection, this.getPureRuntime().executedTestTracker);