diff --git a/load_docs.py b/load_docs.py
index d690a62..2d631bf 100644
--- a/load_docs.py
+++ b/load_docs.py
@@ -1,19 +1,21 @@
 import sys
 from pathlib import Path
+from rag_agent import add_to_knowledge_base
 
-from utils import splitter, vector_store
-from langchain_core.documents import Document
-
-def load_documents(dir_path: str):
-    for file_path in Path(dir_path).rglob("*.txt"):
-        content = file_path.read_text(encoding="utf-8")
-        chunks = splitter.split_text(content)
-        docs = [Document(page_content=chunk, metadata={"title": file_path.name}) for chunk in chunks]
-        vector_store.add_documents(docs)
-        print(f"Added {len(docs)} chunks from {file_path}")
+def load_docs_from_dir(directory: str):
+    for file_path in Path(directory).rglob("*"):
+        if file_path.is_file() and file_path.suffix.lower() in {".txt", ".md", ".pdf"}:
+            try:
+                content = file_path.read_text(encoding="utf-8", errors="ignore")
+            except Exception as e:
+                print(f"Failed to read {file_path}: {e}")
+                continue
+            title = file_path.stem
+            result = add_to_knowledge_base(content, title)
+            print(f"Loaded {file_path}: {result}")
 
 if __name__ == "__main__":
-    if len(sys.argv) != 2:
+    if len(sys.argv) < 2:
         print("Usage: python load_docs.py <directory>")
         sys.exit(1)
-    load_documents(sys.argv[1])
\ No newline at end of file
+    load_docs_from_dir(sys.argv[1])
\ No newline at end of file