Home / Function/ lookup_tool() — langchain Function Reference

lookup_tool() — langchain Function Reference

Architecture documentation for the lookup_tool() function in agent.py from the langchain codebase.

Entity Profile

Dependency Diagram

graph TD
  0a569384_574d_f22c_835c_eb453b0d1678["lookup_tool()"]
  ec1d7866_e6a8_7cbe_b150_f82463cf2c7f["AgentExecutor"]
  0a569384_574d_f22c_835c_eb453b0d1678 -->|defined in| ec1d7866_e6a8_7cbe_b150_f82463cf2c7f
  style 0a569384_574d_f22c_835c_eb453b0d1678 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/agent.py lines 1224–1233

    def lookup_tool(self, name: str) -> BaseTool:
        """Lookup tool by name.

        Args:
            name: Name of tool.

        Returns:
            Tool object.
        """
        return {tool.name: tool for tool in self.tools}[name]

Subdomains

Frequently Asked Questions

What does lookup_tool() do?
lookup_tool() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/agents/agent.py.
Where is lookup_tool() defined?
lookup_tool() is defined in libs/langchain/langchain_classic/agents/agent.py at line 1224.

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