Files
Classic298 217766ed0f fix: MCP list results from FastMCP servers reach the model twice (#32726)
When a tool on a server built with the standalone FastMCP package returned a list, the model got the list twice, once as plain text and once as structured data, so every list result cost two to three times the tokens. That package sends the whole list as a single piece of text, a format Open WebUI did not recognise as a duplicate. The list now reaches the model once, and structured data that the text does not already contain is still passed along.

Fixes #32719
2026-10-21 04:46:02 +09:00
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