Before Tool • AI Agent SDK

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This function is defined in the middleware module.

Decorator to mark a function as a before_tool hook.

The function receives a ToolRequest and should return a (possibly modified) ToolRequest.

Signature

def before_tool(func: BeforeToolFn) -> BeforeToolFn

Parameters

Returns

Usage

@before_tool
    def validate_args(request):
        if 'dangerous' in request.arguments:
            raise ValueError("Dangerous argument detected")
        return request

Source

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