Add Bright Data Search Tool

tool.py

@@ -1,8 +1,8 @@
 from typing import Any, Optional
 from smolagents.tools import Tool
+import os
 import json
 import requests
-import os
 
 class BrightDataSearchTool(Tool):
     name = "brightdata_search_engine"
@@ -11,9 +11,25 @@ class BrightDataSearchTool(Tool):
     Returns search results with URLs, titles, and descriptions.
     Ideal for gathering current information and news.
     """
-    inputs = {'query': {'type': 'string', 'description': 'The search query'}, 'engine': {'type': 'string', 'description': "Search engine to use: 'google', 'bing', or 'yandex'. Default is 'google'", 'nullable': True, 'default': 'google'}}
     output_type = "string"
 
+    def __init__(self):
+        # Build inputs at init to satisfy smolagents validation rules.
+        self.inputs = {
+            "query": {
+                "type": "string",
+                "description": "The search query",
+            },
+            "engine": {
+                "type": "string",
+                "description": "Search engine to use",
+                "enum": ["google", "bing", "yandex"],
+                "nullable": True,
+                "default": "google",
+            },
+        }
+        super().__init__()
+
     def forward(self, query: str, engine: str = "google") -> str:
         """
         Search using Bright Data's search API.
@@ -78,6 +94,3 @@ class BrightDataSearchTool(Tool):
 
         except requests.exceptions.RequestException as e:
             return json.dumps({"error": str(e)})
-
-    def __init__(self, *args, **kwargs):
-        self.is_initialized = False