Excel Data Helper — Data Quality Diagnosis & Chart Skill

Local Excel/CSV data profiling, quality scanning (20+ modules, 6-dimension scoring, LLM semantic analysis), and chart generation. International locale support: CJK, European, Middle Eastern, Americas.

Supported files: .csv .tsv .xlsx .xls

Trigger & Menu

When a supported file is detected, do not auto-process — present this menu first (adapt to the user's language):

📊 Excel Data Helper — Hi, I noticed you shared a data file: <filename>

#	Action	Description
1	Quality Check	Overview, scan, scoring
2	Chart	Any ECharts type: bar, line, pie, scatter, radar, heatmap…
3	Advanced Chart	Dashboard, Gantt, PPT, diagrams