diff --git a/agent.py b/agent.py
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--- /dev/null
+++ b/agent.py
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+from langchain_ollama import ChatOllama
+from langchain.agents import create_tool_calling_agent
+from langchain.agents import AgentExecutor
+from tools import search_local_kb, web_search
+
+
+def create_agent():
+    """Create an agent with tools for local and web search."""
+    llm = ChatOllama(model="llama3", temperature=0)
+    
+    tools = [search_local_kb, web_search]
+    
+    system_prompt = """You are a helpful AI assistant with access to two search tools:
+
+1. search_local_kb - Search in the local knowledge base (ChromaDB) for information from stored documents
+2. web_search - Search the web via Tavily for current information and recent news
+
+Choose the appropriate tool based on the user's question:
+- For questions about local documents, notes, or stored knowledge: use search_local_kb
+- For questions about current events, recent news, or facts that may not be in local documents: use web_search
+
+Always indicate the source of your answer in the response: 'Source: chromadb' or 'Source: tavily'
+"""
+    
+    agent = create_tool_calling_agent(llm, tools, system_prompt)
+    agent_executor = AgentExecutor(agent=agent, tools=tools, verbose=True)
+    
+    return agent_executor
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