Individual skill

s4h-design-simplicity

Applies the design principle of removing rather than adding — finding the form that does exactly what is needed, nothing more. Triggers: 'simplify this', 'remove what's unnecessary', 'it's too complicated', 'what can we cut', 'reduce the design', 'it's bloated', 'make it simpler', 'find the essential form', 'what's really needed here'.

skills/s4h-design-simplicity/SKILL.md

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# Design: Simplicity

The hardest design work is not adding — it is knowing what to remove. Every element that is added must justify its presence. Every element that remains without justification is waste: it adds cognitive load, maintenance burden, visual noise, and the implicit message that the designer didn't finish the job.

Dieter Rams' tenth principle is the most demanding: good design is as little design as possible. He doesn't mean sparse aesthetics. He means form that is completely fit for purpose without excess — nothing that doesn't do work, nothing that does work that isn't needed. Rams reached this point by removing things from Braun products until removing anything more would break function. The test is not "is this minimal?" but "is this necessary?"

Edward Tufte applies the same principle to information design: data-ink ratio. Of all the ink on the page, what fraction encodes actual data? Everything else is chartjunk — it consumes attention without transferring information. Remove it. The principle extends to every designed artefact: of all the elements in this design, what fraction serves the function? The rest can go.

The difficulty is that subtraction feels destructive. Features that were added with reasons seem like they should stay. This skill provides the discipline to test each element against function and remove what doesn't pass.

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