CrewAI seamlessly integrates with LangChain’s comprehensive list of tools, all of which can be used with CrewAI.
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import osfrom dotenv import load_dotenvfrom crewai import Agent, Task, Crewfrom crewai.tools import BaseToolfrom pydantic import Fieldfrom langchain_community.utilities import GoogleSerperAPIWrapper# Set up your SERPER_API_KEY key in an .env file, eg:# SERPER_API_KEY=<your api key>load_dotenv()search = GoogleSerperAPIWrapper()class SearchTool(BaseTool): name: str = "Search" description: str = "Useful for search-based queries. Use this to find current information about markets, companies, and trends." search: GoogleSerperAPIWrapper = Field(default_factory=GoogleSerperAPIWrapper) def _run(self, query: str) -> str: """Execute the search query and return results""" try: return self.search.run(query) except Exception as e: return f"Error performing search: {str(e)}"# Create Agentsresearcher = Agent( role='Research Analyst', goal='Gather current market data and trends', backstory="""You are an expert research analyst with years of experience in gathering market intelligence. You're known for your ability to find relevant and up-to-date market information and present it in a clear, actionable format.""", tools=[SearchTool()], verbose=True)# rest of the code ...
Tools are pivotal in extending the capabilities of CrewAI agents, enabling them to undertake a broad spectrum of tasks and collaborate effectively.
When building solutions with CrewAI, leverage both custom and existing tools to empower your agents and enhance the AI ecosystem. Consider utilizing error handling, caching mechanisms,
and the flexibility of tool arguments to optimize your agents’ performance and capabilities.