Update tools/web_search.py

tools/web_search.py

@@ -1,11 +1,13 @@
 from typing import Any
 from smolagents.tools import Tool
 from ddgs import DDGS
+import json
+
 
 
 class DuckDuckGoSearchTool(Tool):
     name = "web_search"
-    description = "Performs a DuckDuckGo web search based on your query and returns the top results."
+    description = "Performs a DuckDuckGo web search based on your query and returns an array of {title, url, snippet}"
     inputs: dict[str, dict[str, Any]] = {
         "query": {"type": "string", "description": "The search query to perform."}
     }
@@ -50,4 +52,4 @@ class DuckDuckGoSearchTool(Tool):
         if not results:
             raise RuntimeError("Results were returned but none contained valid URLs.")
 
-        return results
+        return json.dumps(results)