diff --git a/main.py b/main.py
index 70077de..092db74 100644
--- a/main.py
+++ b/main.py
@@ -1,6 +1,25 @@
-# Entry point – simply imports and runs the agent.
+"""Entry point for the RAG agent.
 
-from agent import main
+Running ``python main.py`` starts a simple CLI that accepts user queries and
+prints the agent's answer along with the source.
+"""
+
+from agent import create_agent, create_vectorstore
+from vectorstore import load_documents
 
 if __name__ == "__main__":
-    main()
+    # Load or create the vector store
+    store = create_vectorstore()
+    if not store.get_index_info():
+        load_documents("documents", store)
+    agent = create_agent()
+    print("RAG Agent ready. Type 'exit' to quit.")
+    while True:
+        try:
+            query = input("\nЗапрос: ")
+        except EOFError:
+            break
+        if query.strip().lower() in {"exit", "quit"}:
+            break
+        result = agent.invoke({"input": query})
+        print("Ответ:", result["output"])  # noqa: T201