Create a spreadsheet engineering tool that identifies risky user inputs and generates appropriate validation rules to prevent common data-entry mistakes.
Allow users to upload supported spreadsheet files or describe a workbook's columns, expected values, business rules, and relationships between fields.
Build:
A column profiler that identifies likely dates, percentages, currencies, identifiers, categories, and numeric ranges.
A rule generator for permitted values, required fields, range limits, and cross-field dependencies.
A conflict detector for validation rules that contradict one another.
A test-case generator covering valid, invalid, blank, boundary, and unusual inputs.
A visual preview of how validation would affect spreadsheet users.
Copy-ready Excel validation instructions and formulas.
A rule coverage report identifying columns that still lack appropriate safeguards.
Keep suggested rules editable and require approval before applying changes to an existing workbook. Never assume that a statistically common value is automatically valid. Clearly distinguish inferred rules from confirmed business requirements, and provide realistic examples involving expense reports, inventory, employee records, and order forms.
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