from hello_agents.tools import MCPTool web_search_tool = MCPTool(name="web research", server_command=["npx", "-y", "@mzxrai/mcp-webresearch@latest"]) result = web_search_tool.run({"action": "list_tools"}) print(result) result = web_search_tool.run({ "action": "call_tool", "tool_name": "visit_page", "arguments": { "url": "https://www.xiangha.com/so/?q=caipu&s=五花肉" } }) print(result)