fix: Fixed the issue where the returnDirect attribute was not effective on the MCP server side. #3787
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…not effective on the MCP server side. Signed-off-by: Sun Yuhan <[email protected]>
… unit tests. Signed-off-by: Sun Yuhan <[email protected]>
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@sunyuhan1998 Thanks for the quick follow up on this! |
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Background
Before this PR, when using the
@Toolannotation to define tools on the MCP server side and specifying thereturnDirectattribute, the attribute would not be properly propagated. As a result, the client was unable to retrieve this information. For a detailed discussion and root cause analysis of this issue, please refer to: #3481 .Thanks to the merge of PR #3781 , we now have the foundation to fix this problem.
Changes in This PR
Preserve the
returnDirectAttributeAdjusted the logic in the
McpToolUtilsclass that constructs tool declarations, ensuring that thereturnDirectattribute from the@Toolannotation is correctly retained and passed through.Implemented
getToolMetadataMethodAdded implementations of the
getToolMetadatamethod in bothAsyncMcpToolCallbackandSyncMcpToolCallbackclasses. This enables clients to retrieve tool metadata, including thereturnDirectflag.Added Unit Tests
Included corresponding unit tests to verify the correctness and stability of the above changes.
Fixes: #3481