When using client tools with `addToolOutput` from ai-sdk, messages get duplicated.

AgentMemoryTools

I am using ai-sdk and mastra chat route endpoint. When using ai-sdk and ai-sdk endpoints, the messages get automatically merged when users use the

addToolOutput

addToolOutput

with a clientTool (no execute function). However, with mastra, there is a new message created (optimistic update possibly?) instead of appending to the existing message's tool_call_id part.

has anyone used addToolOutput with ai-sdk , client tools and mastra chat route endpoint?

When using client tools with `addToolOutput` from ai-sdk, messages get duplicated.

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When using client tools with `addToolOutput` from ai-sdk, messages get duplicated.

Similar Threads

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