import os from dotenv import load_dotenv from langchain_openai import ChatOpenAI from pydantic import SecretStr from browser_use import Agent, Browser load_dotenv() api_key_deepseek = os.getenv('DEEPSEEK_API_KEY', '') if not api_key_deepseek: raise ValueError('DEEPSEEK_API_KEY is not set') async def run_agent(task: str, browser: Browser | None = None, max_steps: int = 38): browser = browser or Browser() llm = ChatOpenAI( base_url='https://api.deepseek.com/v1', model='deepseek-reasoner', api_key=SecretStr(api_key_deepseek), ) agent = Agent(task=task, llm=llm, use_vision=False, browser=browser) result = await agent.run(max_steps=max_steps) return result