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diff --git a/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/registry/connector/QueryGroupProviderSourceConnector.java b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/registry/connector/QueryGroupProviderSourceConnector.java
new file mode 100644
index 00000000..e6f0adf0
--- /dev/null
+++ b/subprojects/viatra-runtime/src/main/java/tools/refinery/viatra/runtime/registry/connector/QueryGroupProviderSourceConnector.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2016, Abel Hegedus, IncQuery Labs Ltd.
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-v20.html.
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package tools.refinery.viatra.runtime.registry.connector;
+
+import java.util.Objects;
+
+import tools.refinery.viatra.runtime.extensibility.IQueryGroupProvider;
+import tools.refinery.viatra.runtime.extensibility.IQuerySpecificationProvider;
+import tools.refinery.viatra.runtime.registry.IConnectorListener;
+
+/**
+ * Source connector implementation that uses a {@link IQueryGroupProvider} to provide a query specifications into the
+ * registry. The query group can be later updated which triggers the removal of all specifications of the old group and
+ * the addition of all specifications from the new group.
+ * 
+ * @author Abel Hegedus
+ * @since 1.3
+ *
+ */
+public class QueryGroupProviderSourceConnector extends AbstractRegistrySourceConnector {
+
+    IQueryGroupProvider queryGroupProvider;
+
+    /**
+     * Creates an instance of the connector with the given identifier and the query group provider. The identifier
+     * should be unique if you want to add it to a registry as a source.
+     * 
+     * @param identifier
+     *            of the newly created connector
+     * @param provider
+     *            that contains the query specifications handled by the connector
+     * @param includeInDefaultViews
+     *            true if the specifications in the connector should be included in default views
+     */
+    public QueryGroupProviderSourceConnector(String identifier, IQueryGroupProvider provider, boolean includeInDefaultViews) {
+        super(identifier, includeInDefaultViews);
+        this.queryGroupProvider = provider;
+    }
+
+    /**
+     * Update the query group of the connector, which triggers the removal of all specifications on the old group and
+     * addition of all specifications in the given group.
+     * 
+     * @param queryGroupProvider
+     *            the queryGroupProvider to set
+     * @param includeInDefaultViews
+     *            true if the specifications in the connector should be included in default views
+     */
+    public void setQueryGroupProvider(IQueryGroupProvider queryGroupProvider) {
+        Objects.requireNonNull(queryGroupProvider, "Query group provider must not be null!");
+        IQueryGroupProvider oldProvider = this.queryGroupProvider;
+
+        for (IQuerySpecificationProvider specificationProvider : oldProvider.getQuerySpecificationProviders()) {
+            for (IConnectorListener iConnectorListener : listeners) {
+                iConnectorListener.querySpecificationRemoved(this, specificationProvider);
+            }
+        }
+        for (IQuerySpecificationProvider specificationProvider : queryGroupProvider.getQuerySpecificationProviders()) {
+            for (IConnectorListener iConnectorListener : listeners) {
+                iConnectorListener.querySpecificationAdded(this, specificationProvider);
+            }
+        }
+
+        this.queryGroupProvider = queryGroupProvider;
+    }
+
+    @Override
+    protected void sendQuerySpecificationsToListener(IConnectorListener listener) {
+        for (IQuerySpecificationProvider specificationProvider : queryGroupProvider.getQuerySpecificationProviders()) {
+            listener.querySpecificationAdded(this, specificationProvider);
+        }
+    }
+
+}