CSV data validator

Validate CSV files against expected schema and flag data quality issues.

Goal: Ensure CSV files have the right columns, types, and values before they enter a pipeline.

Cowork Prompt Pack

Cowork-ready
Read the CSV files in my folder. For each file, report: number of rows, number of columns, and column header names. Do not modify any files.
Works best when you limit Cowork to specific folders and verify before destructive actions.
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