diff --git a/libnymea-core/debugserverhandler.cpp b/libnymea-core/debugserverhandler.cpp
index d6db2f8a..b89adb70 100644
--- a/libnymea-core/debugserverhandler.cpp
+++ b/libnymea-core/debugserverhandler.cpp
@@ -303,6 +303,35 @@ HttpReply *DebugServerHandler::processDebugRequest(const QString &requestPath, c
         }
     }
 
+    if (requestPath.startsWith("/debug/settings/mqttpolicies")) {
+        QString settingsFileName = NymeaSettings(NymeaSettings::SettingsRoleMqttPolicies).fileName();
+        qCDebug(dcDebugServer()) << "Loading" << settingsFileName;
+        QFile settingsFile(settingsFileName);
+        if (!settingsFile.exists()) {
+            qCWarning(dcDebugServer()) << "Could not read file for debug download" << settingsFileName << "file does not exist.";
+            HttpReply *reply = RestResource::createErrorReply(HttpReply::NotFound);
+            reply->setHeader(HttpReply::ContentTypeHeader, "text/html");
+            reply->setPayload(createErrorXmlDocument(HttpReply::NotFound, tr("Could not find file \"%1\".").arg(settingsFileName)));
+            return reply;
+        }
+
+        if (!settingsFile.open(QFile::ReadOnly)) {
+            qCWarning(dcDebugServer()) << "Could not read file for debug download" << settingsFileName;
+            HttpReply *reply = RestResource::createErrorReply(HttpReply::Forbidden);
+            reply->setHeader(HttpReply::ContentTypeHeader, "text/html");
+            reply->setPayload(createErrorXmlDocument(HttpReply::NotFound, tr("Could not open file \"%1\".").arg(settingsFileName)));
+            return reply;
+        }
+
+        QByteArray settingsFileData = settingsFile.readAll();
+        settingsFile.close();
+
+        HttpReply *reply = RestResource::createSuccessReply();
+        reply->setHeader(HttpReply::ContentTypeHeader, "text/plain");
+        reply->setPayload(settingsFileData);
+        return reply;
+    }
+
     if (requestPath.startsWith("/debug/ping")) {
         // Only one ping process should run
         if (m_pingProcess || m_pingReply)
@@ -1413,6 +1442,56 @@ QByteArray DebugServerHandler::createDebugXmlDocument()
     writer.writeEndElement(); // div show-button-column
     writer.writeEndElement(); // div download-row
 
+
+    // Download row MQTT policies
+    writer.writeStartElement("div");
+    writer.writeAttribute("class", "download-row");
+
+    writer.writeStartElement("div");
+    writer.writeAttribute("class", "download-name-column");
+    //: The MQTT policies download description of the debug interface
+    writer.writeTextElement("p", tr("MQTT policies"));
+    writer.writeEndElement(); // div download-name-column
+
+    writer.writeStartElement("div");
+    writer.writeAttribute("class", "download-path-column");
+    writer.writeTextElement("p", NymeaSettings(NymeaSettings::SettingsRoleMqttPolicies).fileName());
+    writer.writeEndElement(); // div download-path-column
+
+    writer.writeStartElement("div");
+    writer.writeAttribute("class", "download-button-column");
+    writer.writeStartElement("form");
+    writer.writeAttribute("class", "download-button");
+    writer.writeStartElement("button");
+    writer.writeAttribute("class", "button");
+    writer.writeAttribute("type", "button");
+    if (!QFile::exists(NymeaSettings(NymeaSettings::SettingsRoleMqttPolicies).fileName())) {
+        writer.writeAttribute("disabled", "true");
+    }
+    writer.writeAttribute("onClick", "downloadFile('/debug/settings/mqttpolicies', 'mqttpolicies.conf')");
+    writer.writeCharacters(tr("Download"));
+    writer.writeEndElement(); // button
+    writer.writeEndElement(); // form
+    writer.writeEndElement(); // div download-button-column
+
+    writer.writeStartElement("div");
+    writer.writeAttribute("class", "show-button-column");
+    writer.writeStartElement("form");
+    writer.writeAttribute("class", "show-button");
+    writer.writeStartElement("button");
+    writer.writeAttribute("class", "button");
+    writer.writeAttribute("type", "button");
+    if (!QFile::exists(NymeaSettings(NymeaSettings::SettingsRoleMqttPolicies).fileName())) {
+        writer.writeAttribute("disabled", "true");
+    }
+    writer.writeAttribute("onClick", "showFile('/debug/settings/mqttpolicies')");
+    writer.writeCharacters(tr("Show"));
+    writer.writeEndElement(); // button
+    writer.writeEndElement(); // form
+    writer.writeEndElement(); // div show-button-column
+
+    writer.writeEndElement(); // div download-row
+
     writer.writeEndElement(); // downloads-section
 
 
diff --git a/libnymea-core/jsonrpc/jsontypes.cpp b/libnymea-core/jsonrpc/jsontypes.cpp
index 6908be9a..cb2a5c95 100644
--- a/libnymea-core/jsonrpc/jsontypes.cpp
+++ b/libnymea-core/jsonrpc/jsontypes.cpp
@@ -2215,6 +2215,9 @@ QPair<bool, QString> JsonTypes::validateBasicType(const QVariant &variant)
     if (variant.canConvert(QVariant::String) && QVariant(variant).convert(QVariant::String)) {
         return report(true, "");
     }
+    if (variant.canConvert(QVariant::StringList) && QVariant(variant).convert(QVariant::StringList)) {
+        return report(true, "");
+    }
     if (variant.canConvert(QVariant::Int) && QVariant(variant).convert(QVariant::Int)) {
         return report(true, "");
     }
diff --git a/libnymea/libnymea.pro b/libnymea/libnymea.pro
index 06babd67..103901b9 100644
--- a/libnymea/libnymea.pro
+++ b/libnymea/libnymea.pro
@@ -72,8 +72,8 @@ HEADERS += devicemanager.h \
         plugintimer.h \
         hardwaremanager.h \
         nymeadbusservice.h \
-    network/mqtt/mqttprovider.h \
-    network/mqtt/mqttchannel.h
+        network/mqtt/mqttprovider.h \
+        network/mqtt/mqttchannel.h
 
 SOURCES += devicemanager.cpp \
         loggingcategories.cpp \
@@ -131,8 +131,8 @@ SOURCES += devicemanager.cpp \
         plugintimer.cpp \
         hardwaremanager.cpp \
         nymeadbusservice.cpp \
-    network/mqtt/mqttprovider.cpp \
-    network/mqtt/mqttchannel.cpp
+        network/mqtt/mqttprovider.cpp \
+        network/mqtt/mqttchannel.cpp
 
 
 # install plugininfo python script for libnymea-dev