diff --git a/cli.py b/cli.py
new file mode 100644
index 0000000..9632ace
--- /dev/null
+++ b/cli.py
@@ -0,0 +1,29 @@
+import sys
+from rag_tools import add_to_knowledge_base, search_knowledge_base
+
+def run_cli():
+    print("RAG CLI. Commands: /add <title> <content>, /search <query>, /quit")
+    while True:
+        try:
+            line = input(">>> ")
+        except EOFError:
+            break
+        if not line:
+            continue
+        if line.startswith("/quit"):
+            break
+        if line.startswith("/add"):
+            parts = line.split(maxsplit=2)
+            if len(parts) < 3:
+                print("Usage: /add <title> <content>")
+                continue
+            title, content = parts[1], parts[2]
+            print(add_to_knowledge_base(content, title))
+        elif line.startswith("/search"):
+            query = line[len("/search"):].strip()
+            print(search_knowledge_base(query))
+        else:
+            print("Unknown command")
+
+if __name__ == "__main__":
+    run_cli()