design-system-structure
Structures a Flutter design system as tokens→theme→modifiers→shapes with two-tier tokens (primitives named by measured value, semantic slots named by role) exposed through a ThemeExtension read via an asserting of(context); hand-authors both light and dark ColorScheme instead of ColorScheme.fromSeed, keeps every raw color/hex/Colors./Curves./Duration/BorderRadius/fontSize inside lib/theme/ behind a no-raw-values gate, collapses animation to zero under reduced motion, restores the persisted theme before first paint, bundles fonts (never google_fonts/dynamic_color), and derives each stateful meaning's supporting color last so color is never its sole signal. Use when creating or editing ThemeData/ThemeExtension/ColorScheme, adding or renaming a design token, wiring theme injection or theme-mode persistence, reaching for fromSeed/dynamic_color/google_fonts/FontVariation, structuring a theme/ or DesignSystem/ folder, or reviewing any widget that renders a color, radius, duration, or font.
Install
With your agent
Install OMGSkills skill "zakariaf/flutter-skills:skills/design-system-structure" into this agent's normal skills directory: use the OMGSkills MCP get_skill tool, install only the pinned_install commit and path, verify SKILL.md against pinned_install.skill_md_sha, and stop if MCP or the pin is unavailable. Do not overwrite or change existing skills without asking me.
Manual command
git clone https://github.com/zakariaf/Flutter-Skills /tmp/Flutter-Skills && ln -s /tmp/Flutter-Skills/skills/design-system-structure ~/.claude/skills/design-system-structureFrom README
design-system-structure A design system is code that is incapable of holding a stray opinion: every aesthetic value lives in one directory, and every widget reads it back through a named slot. This skill owns how tokens, themes, components, and shapes are structured and consumed — not which colors or radii to pick (that belongs to your design source of truth). Getting the structure right makes a reskin a diff lib/theme/ and turns a stray Color(0xFF…) in feature code into a build failure instead of a style nit. Read the reference for the task at hand: references/token-tiers-and-themeextension.md — two-tier token naming, ThemeExtension mechanics, the asserting of(), hand-authored ColorScheme vs fromSeed, honest lerp. references/motion-and-reduced-motion.md — the three animations Material mounts by default, why NoSplash is not enough, reduced-motion-means-zero, pumpAndSettle bans in tests.
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