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LangGraph · Class

InjectedStore

InjectedStore gives a LangGraph tool access to persistent storage without exposing the store as a model-provided argument. ToolNode injects the store during execution.

Last updated

Since
v0.1

Syntax

Annotated[Any, InjectedStore()]

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • InjectedToolArg
  • ToolNode
  • ToolRuntime
  • InMemoryStore
  • StateGraph

Source: InjectedStore | langgraph.prebuilt | LangChain Reference. Checked 2026-11-03.