Individual skill

data-validation-setup

Produces a data validation rule set for a spreadsheet. Defines validation type (list, range, custom formula, date, text length), error message text, and input hint text for each field. Prevents data quality problems at the point of data entry. Use when the user needs to restrict what can be entered into spreadsheet cells to maintain data quality. Do NOT use for cleaning existing dirty data (use spreadsheet-data-cleaning), conditional formatting rules (use conditional-formatting-rules), or building lookup formulas (use excel-lookup-formulas).

src/process/resources/skills-library/bodies/skills/data-analysis/data-validation-setup/SKILL.md

Source commit 4c030c7b01c241df7b6e3535635a970f10d781af

What was checked

Matches the observed repository HEAD

Yes

Scanner rules are current

Yes

Repository scan complete

No

Skill scan complete

No

Observed behavior

Instructions only

Last checked

Nov 10, 2026

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