Why it matters

Spring AI tools enable agents. Understanding shapes design.

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The architecture

Annotated method or bean.

Schema auto-derived.

ChatClient.tools(...).

Spring AI tools flow@Tool methodJava codeSchema derivedsignature + docsLLM invokeswith argsMethodInvokingFunctionCallback allows binding to Spring beans; DI-friendly
Spring AI tools.
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How it works end to end

MethodInvokingFunctionCallback.

ToolCallbackBuilder.

@Tool + @ToolParam.

Injectable Spring beans as tools.