tool_compatibilityTier 1 · 70% confidence

ai-agents-tool-compatibility-langchain-agent-creation-fails-with-attributeerror-25d42f44

agent: ai_agents

When does this happen?

IF LangChain agent creation fails with AttributeError: 'Tool' object has no attribute 'name' when using external tool classes like Google's grounding Tool.

How others solved it

THEN Ensure all tools passed to LangChain agent functions (e.g., create_react_agent) are instances of LangChain's BaseTool or have the required 'name' and 'description' attributes. For Google's Tool, either wrap it in a custom LangChain tool or use ChatVertexAI instead of the deprecated create_react_agent.

# Wrap Google's Tool into a LangChain-compatible tool:
from langchain.tools import BaseTool
class GoogleGroundingTool(BaseTool):
    name = "google_search"
    description = "Ground with Google Search"
    def _run(self, *args, **kwargs):
        # Use Google's Tool internally
        pass

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