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Dockerfile

@@ -1,3 +1,4 @@
+# Dockerfile
 # Use the same base as before
 FROM python:3.10-slim
 

frontend.py

@@ -45,7 +45,7 @@ if "messages" not in st.session_state:
     st.session_state.messages = []
     st.session_state.history = []  # For agent history
     st.session_state.agent_initialized = False
-    st.session_state.available_tools = []
+    st.session_state.available_tools = []  # Add this to ensure iterable default
     st.session_state.pending_query = None  # For example queries
 
 # Sidebar
@@ -113,8 +113,9 @@ async def initialize_agent():
         with st.spinner("🔧 Initializing MCP servers..."):
             try:
                 tools = await agent.initialize()
-                st.session_state.available_tools = tools
+                st.session_state.available_tools = tools or []  # Guard against None
                 st.session_state.agent_initialized = True
+                st.rerun()  # Add this to refresh UI after init
                 return True
             except Exception as e:
                 st.error(f"Failed to initialize agent: {str(e)}")