Add rag_agent

rag_agent.py

@@ -0,0 +1,16 @@
+from langchain.agents import create_openai_functions_agent, AgentExecutor
+from rag_tools import search_knowledge_base, add_to_knowledge_base
+from langchain.schema import HumanMessage
+
+def run_agent():
+    tools=[search_knowledge_base,add_to_knowledge_base]
+    agent=create_openai_functions_agent(tools=tools, llm=None)
+    executor=AgentExecutor(agent=agent, tools=tools, verbose=True)
+    while True:
+        inp=input("> ")
+        if inp.strip().lower()=="/quit":
+            break
+        response=executor.invoke({"input":inp})
+        print(response["output"])
+if __name__=="__main__":
+    run_agent()