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SergioRiberaSergioRibera/definitive-ux/skills/improve-animations/SKILL.md

improve-animations

Skill1 starsChanged 23 days agoLicence not identifiedView on GitHub

Survey all animation and motion code in a UI codebase (Rust desktop with Freya, egui, gpui, Slint, Iced; web; mobile) as a senior motion advisor, then produce a prioritized audit and self-contained implementation plans that any agent or a cheaper model can execute. Read-only on source: it plans, never implements. Use when the user asks to audit, improve, fix or clean up existing animations, says motion feels sluggish, janky or inconsistent, or wants a motion pass across the whole app. For adding motion where there is none use find-animation-opportunities; for building one animation use animate. Usually invoked by the definitive-ux router; can be called directly.

75 other projects use a version of this.

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Used with

Projects with it also use remove-animations, pick-ui-library and 8 more.

Other files people use alongside this one.

Files found in the same public projects as a version of this one, more often than they turn up anywhere else. Each project counts once, large collections count for less, and this file's own repository is left out.
  • sanmidableSkill

    remove-animations

    Also in 5 projects that use this

  • cal1888Skill

    pick-ui-library

    Pick the right library for a given frontend task from a curated, opinionated list — numbers, OTP inputs, charts, command menus, virtualization, drag and drop, toasts, state, styling, and more. Only runs when explicitly invoked; it does not trigger on its own.

    Also in 43 projects that use this

  • sanmidableSkill

    write-swift

    Also in 24 projects that use this

  • swyxioSkill

    mobile-native

    Apply swyx's native mobile UX preferences when designing or critiquing iPhone/iPad flows, adapting tablet layouts, choosing communication-app notification behavior, or opening notifications/deep links/widgets/shortcuts before local content is ready. Also use for iOS/iPadOS generated build configuration, signing/install/launch problems, and device playtesting. Keep existing native or cross-platform stacks; excludes browser-only responsive work and backend-only changes without native UX or delivery implications.

    Also in 16 projects that use this

  • jtfasulo7Skill

    animation-performance

    Apply when building scroll-scrubbed animations, marquees, continuous SVG/canvas animations, or fixing reports of "laggy", "stuttering", "doesn't render", "disappears and reappears", "jumps". Encodes the perf rules learned from the realtor-website rebuild.

    Also in 14 projects that use this

  • emilkowalskiSkill

    gestures

    Build drag, swipe, and sheet interactions that track the finger 1:1 and stay interruptible. Use when building or fixing anything the user drags, swipes, flings, holds, or dismisses with a gesture — drawers, sheets, swipe-to-dismiss toasts and cards, drag-to-reorder, pull-to-refresh, hold-to-confirm — or when a gesture feels laggy, disconnected from the finger, jumps on release, or can't be caught mid-animation. Triggers on — gesture, drag, draggable, swipe, swipe to dismiss, fling, momentum, velocity, drawer, sheet, bottom sheet, snap points, Vaul, dragConstraints, dragElastic, dragMomentum, onDragEnd, whileDrag, useMotionValue, rubber-band, overscroll, pull to refresh, hold to delete, press and hold, touch-action, dismiss threshold, "doesn't follow my finger", "jumps when I let go", "can't grab it mid-animation".

    Also in 3 projects that use this

  • +2 more from sanmidable

The file

We split this skill into the rules it gives an agent

2 rules. 0 are common, 1 is distinctive, and 1 is very specific to this project.

  • 0

    Common

    Most of the 73 edited versions we read keep these.

  • 1

    Distinctive

    This author's own choices. Worth a look.

  • 1

    Very specific

    Tied to their project's names, files or tools. Probably skip.

The licence could not be identified — read it at the source. We count its rules but don't quote them. Read them on GitHub.

“Common” is measured: kept by at least 6 in 10 of the 73 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

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