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collections() — langchain Function Reference

Architecture documentation for the collections() function in tool_selection.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

Dependency Diagram

graph TD
  4f6f63e3_f3a4_d89a_3d80_204ce81073e5["collections()"]
  740a7da1_ca4f_8c85_71e0_4f92696f1237["tool_selection.py"]
  4f6f63e3_f3a4_d89a_3d80_204ce81073e5 -->|defined in| 740a7da1_ca4f_8c85_71e0_4f92696f1237
  style 4f6f63e3_f3a4_d89a_3d80_204ce81073e5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/tool_selection.py lines 25–27

    from collections.abc import Awaitable, Callable

    from langchain.tools import BaseTool

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does collections() do?
collections() is a function in the langchain codebase, defined in libs/langchain_v1/langchain/agents/middleware/tool_selection.py.
Where is collections() defined?
collections() is defined in libs/langchain_v1/langchain/agents/middleware/tool_selection.py at line 25.

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