updates

agent.py

@@ -23,38 +23,46 @@ load_dotenv()
 # === Tools ===
 @tool
 def multiply(a: int, b: int) -> int:
+    """Multiplies two integers and returns the result."""
     return a * b
 
 @tool
 def add(a: int, b: int) -> int:
+    """Adds two integers and returns the sum."""
     return a + b
 
 @tool
 def subtract(a: int, b: int) -> int:
+    """Subtracts the second integer from the first and returns the result."""
     return a - b
 
 @tool
 def divide(a: int, b: int) -> float:
+    """Divides the first integer by the second and returns the result as a float."""
     if b == 0:
         raise ValueError("Cannot divide by zero.")
     return a / b
 
 @tool
 def modulus(a: int, b: int) -> int:
+    """Returns the remainder of dividing the first integer by the second."""
     return a % b
 
 @tool
 def wiki_search(query: str) -> str:
+    """Searches Wikipedia for a query and returns the top 2 results as a formatted string."""
     search_docs = WikipediaLoader(query=query, load_max_docs=2).load()
     return "\n\n---\n\n".join([doc.page_content for doc in search_docs])
 
 @tool
 def web_search(query: str) -> str:
+    """Uses Tavily to search the web for a query and returns the top 3 result snippets."""
     search_docs = TavilySearchResults(max_results=3).invoke(query=query)
     return "\n\n---\n\n".join([doc.page_content for doc in search_docs])
 
 @tool
 def arvix_search(query: str) -> str:
+    """Searches Arxiv for academic papers related to the query and returns the top 3 abstracts."""
     search_docs = ArxivLoader(query=query, load_max_docs=3).load()
     return "\n\n---\n\n".join([doc.page_content[:1000] for doc in search_docs])