MCP Toolbox returns error when SELECT returns 0 rows or after DELETE/INSERT execution #1857
Description
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Contribution guide.
Describe the bug
We are currently using MCP (toolbox) to connect Cursor AI with BigQuery.
In the following cases, the query appears to execute successfully, but the MCP server returns the message:
"Error: no result from tool. The user likely interrupted the tool call to send you a message."
As a result, Cursor AI does not receive a proper response.
This occurs when a SELECT query returns zero rows.
It also occurs when running DELETE or INSERT queries.
The environment is Windows 10, and we have tested with both toolbox versions 0.7.0 and 0.8.0.
Desktop (please complete the following information):
- OS: win 10