diff --git a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/PolychatClient.java b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/PolychatClient.java
index 948f6c4..b8e1ff7 100644
--- a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/PolychatClient.java
+++ b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/PolychatClient.java
@@ -4,6 +4,7 @@
 import club.moddedminecraft.polychat.client.clientbase.handlers.CommandMessageHandler;
 import club.moddedminecraft.polychat.client.clientbase.handlers.PlayerStatusChangedMessageHandler;
 import club.moddedminecraft.polychat.client.clientbase.handlers.ServerStatusMessageHandler;
+import club.moddedminecraft.polychat.client.clientbase.logging.LogManager;
 import club.moddedminecraft.polychat.client.clientbase.util.MuteStorage;
 import club.moddedminecraft.polychat.core.common.YamlConfig;
 import club.moddedminecraft.polychat.core.messagelibrary.PolychatProtobufMessageDispatcher;
@@ -53,9 +54,13 @@ public class PolychatClient {
      * @param clientImpl the implementation of the client protocol
      */
     public PolychatClient(ClientApiBase clientImpl) {
-        clientCallbacks = new ClientCallbacks(this);
+        this(clientImpl, null);
+    }
+
+    public PolychatClient(ClientApiBase clientImpl, YamlConfig customConfig) {
         clientApi = clientImpl;
-        config = getConfig();
+        config = customConfig != null ? customConfig : getConfig();
+        clientCallbacks = new ClientCallbacks(this);
         client = new Client(config.getOrDefault("server.address", "localhost"),
                 config.getOrDefault("server.port", 5005), config.getOrDefault("server.buffersize", 32768));
         polychatProtobufMessageDispatcher = new PolychatProtobufMessageDispatcher();
@@ -79,6 +84,10 @@ public PolychatClient(ClientApiBase clientImpl) {
      * @return client config
      */
     public YamlConfig getConfig() {
+        if (config != null) {
+            return config;
+        }
+
         try {
             Path directory = clientApi.getConfigDirectory();
             Path configPath = directory.resolve("polychat.yml");
@@ -90,8 +99,7 @@ public YamlConfig getConfig() {
 
             return YamlConfig.fromFilesystem(configPath);
         } catch (IOException e) {
-            System.err.println("Failed to load config!");
-            e.printStackTrace();
+            LogManager.LOGGER.error("Failed to load config!", e);
         }
         return YamlConfig.fromInMemoryString("");
     }
@@ -141,7 +149,7 @@ public void update() {
         try {
             messages = client.poll();
         } catch (IOException e) {
-            System.err.println("Failed to reconnect to Polychat server");
+            LogManager.LOGGER.warn("Failed to reconnect to Polychat server", e);
         }
 
         for (Message message : messages) {
@@ -162,8 +170,7 @@ public void sendMessage(com.google.protobuf.Message message) {
         try {
             client.sendMessage(messageBytes);
         } catch (IOException e) {
-            System.err.println("Failed to send message!");
-            e.printStackTrace();
+            LogManager.LOGGER.warn("Failed to send message!", e);
         }
     }
 
diff --git a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/handlers/CommandMessageHandler.java b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/handlers/CommandMessageHandler.java
index 1ffc5fb..b41f4fd 100644
--- a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/handlers/CommandMessageHandler.java
+++ b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/handlers/CommandMessageHandler.java
@@ -23,7 +23,6 @@ public class CommandMessageHandler {
     public CommandMessageHandler(ClientApiBase clientApiBase, PolychatClient client) {
         this.clientApiBase = clientApiBase;
         this.client = client;
-        System.out.println("command message handler");
     }
 
     public int calculateParameters(String command) {
diff --git a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/DefaultLogger.java b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/DefaultLogger.java
new file mode 100644
index 0000000..74e09ba
--- /dev/null
+++ b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/DefaultLogger.java
@@ -0,0 +1,45 @@
+package club.moddedminecraft.polychat.client.clientbase.logging;
+
+public class DefaultLogger implements Logger {
+    @Override
+    public void error(String message) {
+        System.err.println(message);
+    }
+
+    @Override
+    public void error(String message, Throwable t) {
+        System.err.println(message);
+        t.printStackTrace();
+    }
+
+    @Override
+    public void warn(String message) {
+        error(message);
+    }
+
+    @Override
+    public void warn(String message, Throwable t) {
+        error(message, t);
+    }
+
+    @Override
+    public void info(String message) {
+        System.out.println(message);
+    }
+
+    @Override
+    public void info(String message, Throwable t) {
+        System.out.println(message);
+        t.printStackTrace(System.out);
+    }
+
+    @Override
+    public void debug(String message) {
+        info(message);
+    }
+
+    @Override
+    public void debug(String message, Throwable t) {
+        info(message, t);
+    }
+}
diff --git a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/LogManager.java b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/LogManager.java
new file mode 100644
index 0000000..a51f461
--- /dev/null
+++ b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/LogManager.java
@@ -0,0 +1,7 @@
+package club.moddedminecraft.polychat.client.clientbase.logging;
+
+public class LogManager {
+    public static Logger LOGGER = new DefaultLogger();
+
+    private LogManager() {}
+}
diff --git a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/Logger.java b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/Logger.java
new file mode 100644
index 0000000..5674af9
--- /dev/null
+++ b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/logging/Logger.java
@@ -0,0 +1,12 @@
+package club.moddedminecraft.polychat.client.clientbase.logging;
+
+public interface Logger {
+    void error(String message);
+    void error(String message, Throwable t);
+    void warn(String message);
+    void warn(String message, Throwable t);
+    void info(String message);
+    void info(String message, Throwable t);
+    void debug(String message);
+    void debug(String message, Throwable t);
+}
diff --git a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/util/MuteStorage.java b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/util/MuteStorage.java
index a30b7fd..c2f0479 100644
--- a/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/util/MuteStorage.java
+++ b/client/client-base/src/main/java/club/moddedminecraft/polychat/client/clientbase/util/MuteStorage.java
@@ -1,5 +1,7 @@
 package club.moddedminecraft.polychat.client.clientbase.util;
 
+import club.moddedminecraft.polychat.client.clientbase.logging.LogManager;
+
 import java.io.*;
 import java.nio.file.Path;
 import java.util.*;
@@ -19,14 +21,14 @@ private void loadMutelist() {
         try {
             Object unparsed = new ObjectInputStream(new FileInputStream(path.resolve(FILENAME).toFile())).readObject();
             if (!(unparsed instanceof UUID[])) {
-                System.err.println("Failed to parse mutelist!");
+                LogManager.LOGGER.warn("Failed to parse mutelist!");
                 return;
             }
             UUID[] uuids = (UUID[]) unparsed;
             List<UUID> tempList = Arrays.asList(uuids);
             Collections.addAll(muteList, uuids);
         } catch (IOException | ClassNotFoundException e) {
-            System.err.println("Failed to access mutelist!");
+            LogManager.LOGGER.warn("Failed to access mutelist!");
         }
     }
 
@@ -54,7 +56,7 @@ private void writeList(ArrayList<UUID> uuids) {
             UUID[] uuidArray = uuids.toArray(new UUID[0]);
             outputStream.writeObject(uuidArray);
         } catch (IOException e) {
-            System.err.println("Failed to access mutelist");
+            LogManager.LOGGER.warn("Failed to access mutelist");
         }
     }