diff --git a/python/cudaq_bridge.py b/python/cudaq_bridge.py
index 3f5570c..2e134b7 100644
--- a/python/cudaq_bridge.py
+++ b/python/cudaq_bridge.py
@@ -169,19 +169,20 @@ class QuantumExecutor:
         try:
             # Get available targets first
             available_targets = cudaq.get_targets()
+            available_target_names = [str(target) if hasattr(target, '__str__') else repr(target) for target in available_targets]
             
             # Validate target exists
-            if target_name not in available_targets:
+            if target_name not in available_target_names:
                 # Try common fallbacks
                 fallback_targets = ['qpp-cpu', 'density-matrix-cpu', 'default']
                 for fallback in fallback_targets:
-                    if fallback in available_targets:
+                    if fallback in available_target_names:
                         print(f"WARNING - Target {target_name} not available, using {fallback}", flush=True)
                         cudaq.set_target(fallback, **kwargs)
                         self.current_target = fallback
                         return {"success": True, "target": fallback, "fallback": True}
                 
-                return {"error": f"Invalid target name ({target_name})", "available_targets": available_targets}
+                return {"error": f"Invalid target name ({target_name})", "available_targets": available_target_names}
             
             # Set the target
             cudaq.set_target(target_name, **kwargs)
@@ -383,7 +384,9 @@ def get_available_targets_standalone() -> Dict:
         
     try:
         targets = cudaq.get_targets()
-        return {"success": True, "targets": list(targets)}
+        # Convert Target objects to strings for JSON serialization
+        target_names = [str(target) if hasattr(target, '__str__') else repr(target) for target in targets]
+        return {"success": True, "targets": target_names}
     except Exception as e:
         logger.error(f"Error getting available targets: {e}")
         return {"error": str(e), "traceback": traceback.format_exc()}
@@ -391,9 +394,18 @@ def get_available_targets_standalone() -> Dict:
 
 def get_target_info_standalone() -> Dict:
     """Standalone function to get target info"""
+    if not CUDAQ_AVAILABLE:
+        return {
+            "success": True,
+            "available_targets": ["mock-cpu", "mock-gpu"],
+            "mode": "mock"
+        }
+        
     try:
         targets = cudaq.get_targets()
-        return {"success": True, "available_targets": list(targets)}
+        # Convert Target objects to strings for JSON serialization
+        target_names = [str(target) if hasattr(target, '__str__') else repr(target) for target in targets]
+        return {"success": True, "available_targets": target_names}
     except Exception as e:
         logger.error(f"Error getting target info: {e}")
         return {"error": str(e), "traceback": traceback.format_exc()}
@@ -412,9 +424,13 @@ def get_platform_info() -> Dict:
         return {"success": True, "platform_info": info}
         
     try:
+        targets = cudaq.get_targets()
+        # Convert Target objects to strings for JSON serialization
+        target_names = [str(target) if hasattr(target, '__str__') else repr(target) for target in targets]
+        
         info = {
-            "cuda_quantum_version": "0.8.0",  # Would get from cudaq.__version__ if available
-            "available_targets": list(cudaq.get_targets()),
+            "cuda_quantum_version": getattr(cudaq, '__version__', '0.8.0'),
+            "available_targets": target_names,
             "python_version": sys.version,
             "platform": sys.platform
         }