Error Invalid schema for function 'excel-analyzer_filter_and_count'

[ReneNyffenegger]

With the prompt

analyze the excel file /home/rene/github/dev/AI/Coding-Assistant/tests/temp/MCP/excel/testdata/data.xlsx

I get the error

Invalid schema for function 'excel-analyzer_filter_and_count': In context=('properties', 'filters', 'items', 'oneOf', '0', 'properties', 'values'), array schema missing items.

[Amirka-Kh]

The problem can be in recursive logic + oneOf JSON Schema statements. LLMs (including OpenWebUI agents) are not reliable with oneOf / $ref schemas. I changed the JSON Schema for my local openwebui + added argument parsing to translate str to json. That worked for me