diff --git a/cli.py b/cli.py
new file mode 100644
index 0000000..b620fb9
--- /dev/null
+++ b/cli.py
@@ -0,0 +1,30 @@
+import argparse
+from tools import add_to_knowledge_base, search_knowledge_base
+
+
+def main():
+    parser = argparse.ArgumentParser(description="RAG Agent CLI")
+    subparsers = parser.add_subparsers(dest='command')
+
+    add_parser = subparsers.add_parser('add', help='Add document to knowledge base')
+    add_parser.add_argument('--title', required=True, help='Title of the document')
+    add_parser.add_argument('--content', required=True, help='Content of the document')
+
+    search_parser = subparsers.add_parser('search', help='Search knowledge base')
+    search_parser.add_argument('--query', required=True, help='Query string')
+    search_parser.add_argument('--max', type=int, default=5, help='Max results')
+
+    args = parser.parse_args()
+
+    if args.command == 'add':
+        result = add_to_knowledge_base(args.content, args.title)
+        print(result)
+    elif args.command == 'search':
+        results = search_knowledge_base(args.query, args.max)
+        for i, r in enumerate(results, 1):
+            print(f"{i}. {r}")
+    else:
+        parser.print_help()
+
+if __name__ == "__main__":
+    main()