Enhance MCP server and tools: add CORS support, initialize tool_calls, and update WebSearchTool to use CachedSearch

g4f/gui/server/api.py

@@ -156,6 +156,8 @@ class Api:
         messages = kwargs.pop('messages', None)
         action = kwargs.get('action')
         if action == "continue":
+            if "tool_calls" not in kwargs:
+                kwargs["tool_calls"] = []
             kwargs["tool_calls"].append({
                 "function": {
                     "name": "continue_tool"

g4f/mcp/server.py

@@ -14,7 +14,11 @@ import sys
 import json
 import asyncio
 from typing import Any, Dict, List, Optional, Union
-from dataclasses import dataclass, asdict
+from dataclasses import dataclass
+
+from ..debug import enable_logging
+
+enable_logging()
 
 from .tools import WebSearchTool, WebScrapeTool, ImageGenerationTool
 
@@ -232,7 +236,7 @@ class MCPServer:
                 if response.error is not None:
                     response_dict["error"] = response.error
                 
-                return web.json_response(response_dict)
+                return web.json_response(response_dict, headers={"access-control-allow-origin": "*"})
                 
             except json.JSONDecodeError as e:
                 return web.json_response({
@@ -262,6 +266,7 @@ class MCPServer:
         
         # Create aiohttp application
         app = web.Application()
+        app.router.add_options('/mcp', lambda request: web.Response(headers={"access-control-allow-origin": "*", "access-control-allow-methods": "POST, OPTIONS", "access-control-allow-headers": "Content-Type"}))
         app.router.add_post('/mcp', handle_mcp_request)
         app.router.add_get('/health', handle_health)
         

g4f/mcp/tools.py

@@ -72,7 +72,7 @@ class WebSearchTool(MCPTool):
         Returns:
             Dict[str, Any]: Search results or error message
         """
-        from ..tools.web_search import do_search
+        from ..Provider.search.CachedSearch import CachedSearch
         
         query = arguments.get("query", "")
         max_results = arguments.get("max_results", 5)
@@ -85,26 +85,15 @@ class WebSearchTool(MCPTool):
         try:
             # Perform search - query parameter is used for search execution
             # and prompt parameter holds the content to be searched
-            result, sources = await do_search(
-                prompt=query,
-                query=query,
-                instructions=""
-            )
-            
-            # Format results
-            search_results = []
-            if sources:
-                for i, source in enumerate(sources[:max_results]):
-                    search_results.append({
-                        "title": source.get("title", ""),
-                        "url": source.get("url", ""),
-                        "snippet": source.get("snippet", "")
-                    })
+            search_results = await anext(CachedSearch.create_async_generator(
+                "",
+                [],
+                prompt=query
+            ))
             
             return {
                 "query": query,
-                "results": search_results,
-                "count": len(search_results)
+                **search_results.get_dict()
             }
         
         except Exception as e:
@@ -224,8 +213,6 @@ class ImageGenerationTool(MCPTool):
             Dict[str, Any]: Generated image data or error message
         """
         from ..client import AsyncClient
-        from ..image import to_data_uri
-        import base64
         
         prompt = arguments.get("prompt", "")
         model = arguments.get("model", "flux")