[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-expo-expo-animation":3,"mdc--pnxtdx-key":37,"related-repo-expo-expo-animation":3471,"related-org-expo-expo-animation":3571},{"slug":4,"name":4,"fn":5,"description":6,"org":7,"tags":11,"stars":26,"repoUrl":27,"updatedAt":28,"license":29,"forks":30,"topics":31,"repo":32,"sourceUrl":35,"mdContent":36},"expo-animation","build animations in React Native and Expo","Framework (OSS). Build animations in React Native and Expo, making the decisions in the order that determines whether they feel right — should it animate, which thread it runs on, which properties, spring or timing, how the gesture hands off, how it degrades. Writes the implementation with Reanimated, Gesture Handler, Expo Router and expo-haptics. Use when animating anything in an Expo app, adding gestures, sheets, screen transitions, press feedback or haptics, or fixing motion that stutters on device. For web animation use `animate`.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},"expo","Expo","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Fexpo.png",[12,16,17,20,23],{"name":13,"slug":14,"type":15},"React Native","react-native","tag",{"name":9,"slug":8,"type":15},{"name":18,"slug":19,"type":15},"Mobile","mobile",{"name":21,"slug":22,"type":15},"Animation","animation",{"name":24,"slug":25,"type":15},"Frontend","frontend",2190,"https:\u002F\u002Fgithub.com\u002Fexpo\u002Fskills","2026-08-19T03:58:54.679247","MIT",111,[],{"repoUrl":27,"stars":26,"forks":30,"topics":33,"description":34},[],"A collection of AI agent skills for working with Expo projects and Expo Application Services","https:\u002F\u002Fgithub.com\u002Fexpo\u002Fskills\u002Ftree\u002FHEAD\u002Fplugins\u002Fexpo\u002Fskills\u002Fexpo-animation","---\nname: expo-animation\ndescription: Framework (OSS). Build animations in React Native and Expo, making the decisions in the order that determines whether they feel right — should it animate, which thread it runs on, which properties, spring or timing, how the gesture hands off, how it degrades. Writes the implementation with Reanimated, Gesture Handler, Expo Router and expo-haptics. Use when animating anything in an Expo app, adding gestures, sheets, screen transitions, press feedback or haptics, or fixing motion that stutters on device. For web animation use `animate`.\nversion: 1.0.0\nlicense: MIT\n---\n\n# Building Animations in Expo\n\nThis skill was created in collaboration with [Emil Kowalski](https:\u002F\u002Fgithub.com\u002Femilkowalski) and can also be found in the [emilkowalski\u002Fskills](https:\u002F\u002Fgithub.com\u002Femilkowalski\u002Fskills) repository, along with other useful animation skills.\n\nA construction skill for React Native. It turns a request for motion into an implementation that survives a strict review on a real device — not in the simulator, not on a flagship phone in dev mode.\n\nMobile changes three things about animation, and everything in this skill follows from them:\n\n1. **There is no hover.** Every affordance the web puts in hover has to live in press, position, or nothing.\n2. **There are two runtimes.** Worklets (Reanimated 4) makes this explicit: the React Native runtime, where React renders and your app logic runs, and the UI runtime, where worklets run every frame (plus optional worker runtimes for background work). An animation that touches the RN runtime stutters the moment the app does anything else. The whole craft is keeping motion on the UI runtime.\n3. **The user's finger is on the element.** Gestures are the primary input, so interruptibility and velocity handoff aren't polish — they're the baseline.\n\n## Operating Posture\n\nYou are a senior mobile engineer building the animation yourself. Make the call, state the reasoning in one line, write the code. Never present motion options as a menu.\n\nTwo failure modes, and the first is worse:\n\n1. **Animating something that shouldn't animate.** The gate below exists to produce zero lines of code sometimes.\n2. **Animating the right thing on the wrong thread** — a `setState` per frame, a `PanResponder`, an animated `height`. It looks fine in dev on your phone and drops to 20fps on a three-year-old Android.\n\n## Hard Rules\n\n1. **Run the sequence in order.** Steps 1 and 2 gate everything.\n2. **Reanimated, not core `Animated`.** Core `Animated` can't be driven by a gesture without crossing the bridge, and `useNativeDriver` refuses anything but transform and opacity anyway. Reanimated worklets run on the UI thread and keep running while JS is busy.\n3. **No approximated values.** Curves and spring configs come from the tables below.\n4. **Reduced motion ships with the animation**, not as a follow-up.\n5. **Feel is judged on a release build on the slowest device you support.** Nothing else counts as verified.\n\n## The Build Sequence\n\n### 1. Should this animate at all?\n\n| Frequency | Decision |\n| --- | --- |\n| 100+ times\u002Fday — tab switches, keyboard open\u002Fclose, scrolling, toggles in settings | **No animation.** Platform default or nothing. Stop here. |\n| Tens of times\u002Fday — press feedback, list navigation, row selection | Near-imperceptible only: under 150ms, or nothing |\n| Occasional — sheets, modals, toasts, onboarding steps | Standard animation |\n| Rare \u002F first-time — success states, empty-state illustrations, celebration | The delight budget lives here |\n\n**Tab switches never slide.** Tabs are peers, not a hierarchy — sliding implies depth that isn't there, and the user pays for it dozens of times a session. `animation: 'none'`.\n\nIf the request fails this gate, say so and don't write it.\n\n### 2. What is the purpose?\n\nName it in one word before continuing: **feedback**, **spatial consistency**, **state indication**, **preventing a jarring change**, **explanation**, or **delight** (rare tier only).\n\nCan't name it? Don't build it.\n\n### 3. Pick the tool — cheapest that works\n\nWalk down; stop at the first that fits.\n\n| Need | Tool |\n| --- | --- |\n| A state-driven change with no gesture — press, toggle, color, a value flipping | **Reanimated CSS transition** (`transitionProperty` in the style) |\n| Loop, multi-stage, or plays on mount with no state change | **Reanimated CSS animation** (`animationName` keyframes) |\n| An element mounting or unmounting, or a list reflowing | **Layout animations** (`entering` \u002F `exiting` \u002F `itemLayoutAnimation`) |\n| Anything a finger touches, or anything derived from scroll | **`useSharedValue` + `Gesture` + `useAnimatedStyle`** |\n| Screen to screen | **Native stack options in Expo Router.** Never hand-roll this |\n| A bottom sheet that is its own screen | **`presentation: 'formSheet'`** — it's a real UISheetPresentationController, free and correct |\n| Tab bar | **`NativeTabs`** (from `expo-router\u002Funstable-native-tabs`) — the platform's real tab bar, its behaviors and transitions included |\n| Context menu, press-and-hold preview | **`Link.Menu` \u002F `Link.Preview`** (Expo Router, iOS-only) — native menus and peek, never rebuilt in JS |\n| Header that collapses into a large title | **`headerLargeTitleEnabled`** on the native stack (iOS-only; `headerLargeTitle` is deprecated) — not a scroll worklet |\n| Pull to refresh | **`RefreshControl`** — hand-roll only when it's a signature interaction (see the threshold recipe) |\n| UI that tracks the keyboard | **`react-native-keyboard-controller`** — the keyboard's real position, frame by frame, on the UI thread |\n| Vector illustration, celebration, empty state | **Lottie** — for illustration only, never for UI state |\n| A huge animated scene, freeform drawing | **`@shopify\u002Freact-native-skia`** — a canvas, for when the view hierarchy itself is the bottleneck |\n\nReach for a shared value only when the value is continuous or interruptible. A press scale is a CSS transition; a drag is a shared value. Using a worklet for a two-state toggle is the mobile equivalent of installing a motion library for a fade.\n\n**Dependencies.** Install with `npx expo install \u003Cpackage>` — it resolves the version that matches the project's SDK, which plain `npm install` won't:\n\n| Need | Package |\n| --- | --- |\n| Animation | `react-native-reanimated` + `react-native-worklets` |\n| Gestures | `react-native-gesture-handler` |\n| Navigation, sheets, native tabs, menus | `expo-router` |\n| Haptics | `expo-haptics` |\n| Keyboard-following UI | `react-native-keyboard-controller` (needs `KeyboardProvider` at the root — see the keyboard recipe) |\n| Illustration, celebration | `lottie-react-native` |\n| Very large animated scenes, custom drawing | `@shopify\u002Freact-native-skia` |\n\n### 4. Pick the properties\n\n- **`transform` and `opacity` are free.** Everything else is a layout pass. `width`, `height`, `margin`, `padding`, `flex`, `top`, `left`, `gap` re-run Yoga on every frame for that node *and its siblings*.\n- **The one exception: an absolutely positioned element with no children** — a tab pill, a progress bar fill. It's out of flow, so nothing else re-lays-out, and animating `width` keeps the corner radius that `scaleX` would smear.\n- **Never `scale(0)`.** Start from `scale(0.9–0.97)` + `opacity: 0`. Nothing in the real world appears from nothing.\n- **`transform` is an array and order matters** — `[{ translateY }, { scale }]` scales after moving; reversed, the translate gets scaled too. Keep translate first unless you want the multiplication.\n- **Android shadows are `elevation`, and animating elevation re-renders the shadow every frame.** Animate opacity of a pre-shadowed layer instead.\n- **Never animate `BlurView` intensity.** On Android it re-renders the blur each frame. Crossfade the opacity of a static `BlurView` instead.\n- **Percentages work in `translate`** and are relative to the element's own size — `translateY('100%')` moves a sheet by its own height whatever its content.\n\n### 5. Timing or spring\n\n**If a finger was involved, use a spring.** Springs carry velocity through an interruption; timing curves restart. Everything else uses timing.\n\nReanimated's spring takes Apple's two designer parameters directly — use this form, not mass\u002Fstiffness\u002Fdamping:\n\n| Interaction | Config |\n| --- | --- |\n| Default settle, no overshoot | `{ duration: 400, dampingRatio: 1 }` |\n| Reposition \u002F snap back after a drag | `{ duration: 400, dampingRatio: 0.8, velocity }` |\n| Sheet, drawer | `{ duration: 300, dampingRatio: 0.8, velocity }` |\n| Must not pass a hard edge | add `overshootClamping: true` |\n\n**Bounce only when the gesture carried momentum.** Overshoot on a menu that faded in feels wrong; overshoot on a card you flicked feels right.\n\n**Easing**, for everything without a finger on it:\n\n| Situation | Easing |\n| --- | --- |\n| Entering or exiting | `ease-out` |\n| Moving \u002F morphing on screen | `ease-in-out` |\n| Constant motion (progress, marquee) | `linear` |\n| Default | `ease-out` |\n\n**Never `ease-in` on UI.** It starts slow, delaying the exact moment the user is watching. Reanimated's built-ins are as weak as CSS's — use these:\n\n```js\nimport { Easing } from 'react-native-reanimated';\n\nconst EASE_OUT = Easing.bezier(0.23, 1, 0.32, 1);      \u002F\u002F strong ease-out for UI\nconst EASE_IN_OUT = Easing.bezier(0.77, 0, 0.175, 1);  \u002F\u002F on-screen movement\nconst EASE_SHEET = Easing.bezier(0.32, 0.72, 0, 1);    \u002F\u002F iOS sheet curve\n```\n\n**Duration:**\n\n| Element | Duration |\n| --- | --- |\n| Press feedback | 100–150ms |\n| Toggle, chip, small state change | 150–200ms |\n| Sheet, modal, drawer | spring, ~300ms perceived |\n| Screen transition | the platform default — don't override it |\n\nMobile UI animations stay under 300ms, same as web. The platform's own transitions are longer (iOS push is 350ms); match the platform for navigation, beat it everywhere else.\n\n### 6. Keep it off the JS thread\n\nThis is the mobile-specific craft, and it's where most React Native motion dies.\n\n- **Never `setState` from a gesture or scroll handler.** One React render per frame is the single biggest cause of jank in RN apps. Shared value → `useAnimatedStyle`, and React never re-renders at all.\n- **Never schedule back to the RN runtime inside `onUpdate` or a scroll handler.** `scheduleOnRN(fn, ...args)` from `react-native-worklets` — the Reanimated 4 replacement for the deprecated `runOnJS(fn)(...args)` — queues an RN-runtime call, and in `onUpdate` that's 60–120× per second. It belongs in `onEnd`, or in a `useAnimatedReaction` that fires when a value crosses a threshold.\n- **Never read a shared value during render** (`translateY.get()` in JSX). It's a snapshot that never updates and it silently desyncs. **Never write one during render either** — it fires mid-reconciliation, and a re-render you didn't cause replays the write. Touch shared values only in worklets, handlers, and effects.\n- **Use `.get()` \u002F `.set()`, not `.value`.** Same API, but direct `.value` access is the form the React Compiler can't see through — the Reanimated docs call `get`\u002F`set` the compiler-safe way. `set` also takes a functional update: `sv.set((v) => v + 1)`.\n- **Functions called from a worklet need `'worklet'`** as their first line, or they throw at runtime on device while working fine in the debugger.\n\n### 7. Press, not hover\n\nEvery hover affordance from the web has to be redesigned, not ported.\n\n- **Feedback on press-in, commit on press-out.** Waiting for the tap to complete before showing anything feels dead — this is the latency the user actually perceives.\n- **`scale: 0.97` in 100–150ms** on any pressable, `Pressable` + a CSS transition. `scale` takes the label and icons with it, which is what makes it read as physical.\n- **44×44pt minimum touch target** (48dp Android). If the visual is smaller, add `hitSlop` — don't grow the visual.\n- **`pressRetentionOffset`** so a finger drifting a few pixels doesn't cancel a press the user meant.\n- **Android ripple only in a Material-styled app.** In a custom-designed app, the same scale on both platforms is more coherent than a ripple on one.\n\n### 8. Haptics\n\nMobile has a sense the web doesn't. Use it sparingly and it becomes the thing that makes the app feel expensive; use it everywhere and users turn it off.\n\n| Moment | Call |\n| --- | --- |\n| A value ticks past a step — picker, slider detent, segmented control | `Haptics.selectionAsync()` |\n| Something snaps home, a sheet detent catches, a drag commits | `Haptics.impactAsync(ImpactFeedbackStyle.Light)` |\n| A heavy object lands, a destructive action fires | `Haptics.impactAsync(ImpactFeedbackStyle.Medium)` |\n| Operation succeeded or failed | `Haptics.notificationAsync(NotificationFeedbackType.Success \u002F Error)` |\n\nThree rules, and they're absolute:\n\n- **Same frame as the visual.** A haptic that lags its animation reads as a glitch, not as feedback. Fire it at the causal moment — the detent catching — not when the animation finishes.\n- **One per user action.** Never on scroll, never per frame, never on an entrance animation the user didn't cause.\n- **Never the only feedback.** Haptics are off system-wide for many users, and silent on most Android hardware. The visual has to stand alone.\n\nFrom a worklet, haptics must be scheduled back to the RN runtime: `scheduleOnRN(Haptics.selectionAsync)`.\n\n### 9. Reduced motion and accessibility\n\n```jsx\nimport { useReducedMotion, ReduceMotion, withSpring } from 'react-native-reanimated';\n\nconst reduced = useReducedMotion();\nconst y = useSharedValue(reduced ? 0 : SHEET_HEIGHT);\n\n\u002F\u002F or let each animation decide\nwithSpring(0, { duration: 300, dampingRatio: 0.8, reduceMotion: ReduceMotion.System });\n```\n\nReduced motion means **fewer and gentler**, not zero: keep opacity and color changes that explain a state change, drop translation, scale, parallax and overshoot. Screen transitions become `animation: 'fade'`.\n\n**Text scales.** `allowFontScaling` is on by default, so any height you measured at default type size is wrong at 200%. Never animate to a hardcoded height — measure with `onLayout`, or animate a transform instead.\n\n## Setup that silently breaks motion\n\nCheck these first when \"the animation just doesn't run\":\n\n- Install through Expo so versions match the SDK: `npx expo install react-native-reanimated react-native-worklets`. In an Expo project, `babel-preset-expo` configures the worklets Babel plugin automatically — no `babel.config.js` step. Only a bare RN project without that preset adds the plugin manually, and there it must be last in the list. A missing or misplaced plugin doesn't silently fall back anymore — it throws `Failed to create a worklet` at runtime.\n- `GestureHandlerRootView` must wrap the app, or gestures do nothing with no error.\n- Reanimated 4 requires the New Architecture.\n- **Expo Go is not a performance environment.** Judge feel in a release build; a dev build's JS thread is slow enough to hide exactly the problems you're looking for.\n\n## 120fps\n\nOn ProMotion iPhones, third-party animations are capped at 60fps unless `CADisableMinimumFrameDurationOnPhone` is set. Recent Expo SDKs set it by default — confirm it's there, and add it if not:\n\n```json\n{ \"expo\": { \"ios\": { \"infoPlist\": { \"CADisableMinimumFrameDurationOnPhone\": true } } } }\n```\n\nThen the frame budget is 8ms, not 16. This is also why a UI-thread animation matters more on mobile than it does on web.\n\n## Recipes\n\nFor ready-to-build implementations — press feedback, drag-to-dismiss sheet, swipe-to-delete, collapsing header, list entrances, keyboard-synced UI, tab indicator, screen transitions — see [RECIPES.md](RECIPES.md). Load it whenever the request matches one; start from the recipe rather than from a blank file.\n\n## Never Ship\n\n| Never | Instead |\n| --- | --- |\n| `PanResponder` | `Gesture.Pan()` from gesture-handler |\n| `setState` in a gesture or scroll handler | shared value + `useAnimatedStyle` |\n| `runOnJS` (deprecated in Reanimated 4) | `scheduleOnRN` from `react-native-worklets` |\n| `scheduleOnRN` per frame | `onEnd`, or `useAnimatedReaction` at a threshold |\n| Reading or writing a shared value during render | `.get()` \u002F `.set()` in worklets, handlers, effects |\n| Core `Animated` for anything a finger touches | Reanimated |\n| Animating `height` \u002F `width` \u002F `margin` \u002F `flex` \u002F `top` | `transform` + `opacity` (absolute, childless elements exempt) |\n| Animating `BlurView` intensity or Android `elevation` | crossfade a static layer |\n| `entering` on a virtualized list row | animate the container, or `itemLayoutAnimation` |\n| A screen transition rebuilt in JS | native stack `animation` |\n| Sliding between tabs | `animation: 'none'` |\n| `Easing.in(...)` on a UI element | `Easing.bezier(0.23, 1, 0.32, 1)` |\n| `scale(0)` entrance | `scale(0.95)` + `opacity: 0` |\n| Distance-only dismissal threshold | velocity **or** distance — a flick is enough |\n| Hard stop at a boundary | rubber-band resistance |\n| A haptic per frame, or as the only feedback | one per commit, always paired with a visual |\n| Judging feel in Expo Go or the simulator | release build, slowest supported device |\n\n## Output\n\nWrite the code. Then, in at most a few lines:\n\n- **The gate result** — frequency tier and named purpose. Say what you rejected and why.\n- **The ingredients** — tool, properties, spring or curve + duration, thread.\n- **What to feel-check on device** — gestures, velocity handoff and haptic timing cannot be judged from code. Name what to try: flick it, interrupt it mid-flight, reverse it, run it on the slowest Android you have.\n\nThe code is the deliverable. Don't pad it into a report.\n\n## Tone\n\nOpinionated and brief. When the honest answer is \"this shouldn't animate,\" or \"this needs a real device before I can tell you if it's right,\" give it.\n\n## Submitting Feedback\nIf you encounter errors, misleading or outdated information in this skill, report it so Expo can improve:\n```bash\nnpx --yes submit-expo-feedback@latest --category skills --subject \"expo-animation\" \"\u003Cactionable feedback>\"\n```\nOnly submit when you have something specific and actionable to report. Include as much relevant context as possible.\nIf an AI agent repeatedly failed or the user had to take over an Expo task, load the expo-skill-feedback skill and follow its eval-candidate flow instead of reusing the command above.\n",{"data":38,"body":40},{"name":4,"description":6,"version":39,"license":29},"1.0.0",{"type":41,"children":42},"root",[43,52,78,83,88,124,131,136,141,189,195,271,277,284,369,386,391,397,441,446,452,457,818,823,849,1003,1009,1247,1253,1263,1268,1360,1370,1380,1468,1485,1800,1808,1882,1887,1893,1898,2097,2103,2108,2195,2201,2206,2296,2301,2334,2346,2352,2619,2638,2663,2669,2674,2740,2746,2759,2879,2884,2890,2902,2908,3321,3327,3332,3365,3370,3376,3381,3387,3392,3460,3465],{"type":44,"tag":45,"props":46,"children":48},"element","h1",{"id":47},"building-animations-in-expo",[49],{"type":50,"value":51},"text","Building Animations in Expo",{"type":44,"tag":53,"props":54,"children":55},"p",{},[56,58,67,69,76],{"type":50,"value":57},"This skill was created in collaboration with ",{"type":44,"tag":59,"props":60,"children":64},"a",{"href":61,"rel":62},"https:\u002F\u002Fgithub.com\u002Femilkowalski",[63],"nofollow",[65],{"type":50,"value":66},"Emil Kowalski",{"type":50,"value":68}," and can also be found in the ",{"type":44,"tag":59,"props":70,"children":73},{"href":71,"rel":72},"https:\u002F\u002Fgithub.com\u002Femilkowalski\u002Fskills",[63],[74],{"type":50,"value":75},"emilkowalski\u002Fskills",{"type":50,"value":77}," repository, along with other useful animation skills.",{"type":44,"tag":53,"props":79,"children":80},{},[81],{"type":50,"value":82},"A construction skill for React Native. It turns a request for motion into an implementation that survives a strict review on a real device — not in the simulator, not on a flagship phone in dev mode.",{"type":44,"tag":53,"props":84,"children":85},{},[86],{"type":50,"value":87},"Mobile changes three things about animation, and everything in this skill follows from them:",{"type":44,"tag":89,"props":90,"children":91},"ol",{},[92,104,114],{"type":44,"tag":93,"props":94,"children":95},"li",{},[96,102],{"type":44,"tag":97,"props":98,"children":99},"strong",{},[100],{"type":50,"value":101},"There is no hover.",{"type":50,"value":103}," Every affordance the web puts in hover has to live in press, position, or nothing.",{"type":44,"tag":93,"props":105,"children":106},{},[107,112],{"type":44,"tag":97,"props":108,"children":109},{},[110],{"type":50,"value":111},"There are two runtimes.",{"type":50,"value":113}," Worklets (Reanimated 4) makes this explicit: the React Native runtime, where React renders and your app logic runs, and the UI runtime, where worklets run every frame (plus optional worker runtimes for background work). An animation that touches the RN runtime stutters the moment the app does anything else. The whole craft is keeping motion on the UI runtime.",{"type":44,"tag":93,"props":115,"children":116},{},[117,122],{"type":44,"tag":97,"props":118,"children":119},{},[120],{"type":50,"value":121},"The user's finger is on the element.",{"type":50,"value":123}," Gestures are the primary input, so interruptibility and velocity handoff aren't polish — they're the baseline.",{"type":44,"tag":125,"props":126,"children":128},"h2",{"id":127},"operating-posture",[129],{"type":50,"value":130},"Operating Posture",{"type":44,"tag":53,"props":132,"children":133},{},[134],{"type":50,"value":135},"You are a senior mobile engineer building the animation yourself. Make the call, state the reasoning in one line, write the code. 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Name what to try: flick it, interrupt it mid-flight, reverse it, run it on the slowest Android you have.",{"type":44,"tag":53,"props":3366,"children":3367},{},[3368],{"type":50,"value":3369},"The code is the deliverable. Don't pad it into a report.",{"type":44,"tag":125,"props":3371,"children":3373},{"id":3372},"tone",[3374],{"type":50,"value":3375},"Tone",{"type":44,"tag":53,"props":3377,"children":3378},{},[3379],{"type":50,"value":3380},"Opinionated and brief. When the honest answer is \"this shouldn't animate,\" or \"this needs a real device before I can tell you if it's right,\" give it.",{"type":44,"tag":125,"props":3382,"children":3384},{"id":3383},"submitting-feedback",[3385],{"type":50,"value":3386},"Submitting Feedback",{"type":44,"tag":53,"props":3388,"children":3389},{},[3390],{"type":50,"value":3391},"If you encounter errors, misleading or outdated information in this skill, report it so Expo can improve:",{"type":44,"tag":1486,"props":3393,"children":3397},{"className":3394,"code":3395,"language":3396,"meta":1491,"style":1491},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","npx --yes submit-expo-feedback@latest --category skills --subject \"expo-animation\" \"\u003Cactionable feedback>\"\n","bash",[3398],{"type":44,"tag":165,"props":3399,"children":3400},{"__ignoreMap":1491},[3401],{"type":44,"tag":1497,"props":3402,"children":3403},{"class":1499,"line":1500},[3404,3409,3414,3419,3424,3429,3434,3438,3442,3446,3450,3455],{"type":44,"tag":1497,"props":3405,"children":3406},{"style":2804},[3407],{"type":50,"value":3408},"npx",{"type":44,"tag":1497,"props":3410,"children":3411},{"style":1537},[3412],{"type":50,"value":3413}," --yes",{"type":44,"tag":1497,"props":3415,"children":3416},{"style":1537},[3417],{"type":50,"value":3418}," submit-expo-feedback@latest",{"type":44,"tag":1497,"props":3420,"children":3421},{"style":1537},[3422],{"type":50,"value":3423}," --category",{"type":44,"tag":1497,"props":3425,"children":3426},{"style":1537},[3427],{"type":50,"value":3428}," skills",{"type":44,"tag":1497,"props":3430,"children":3431},{"style":1537},[3432],{"type":50,"value":3433}," --subject",{"type":44,"tag":1497,"props":3435,"children":3436},{"style":1510},[3437],{"type":50,"value":2780},{"type":44,"tag":1497,"props":3439,"children":3440},{"style":1537},[3441],{"type":50,"value":4},{"type":44,"tag":1497,"props":3443,"children":3444},{"style":1510},[3445],{"type":50,"value":2789},{"type":44,"tag":1497,"props":3447,"children":3448},{"style":1510},[3449],{"type":50,"value":2780},{"type":44,"tag":1497,"props":3451,"children":3452},{"style":1537},[3453],{"type":50,"value":3454},"\u003Cactionable feedback>",{"type":44,"tag":1497,"props":3456,"children":3457},{"style":1510},[3458],{"type":50,"value":3459},"\"\n",{"type":44,"tag":53,"props":3461,"children":3462},{},[3463],{"type":50,"value":3464},"Only submit when you have something specific and actionable to report. Include as much relevant context as possible.\nIf an AI agent repeatedly failed or the user had to take over an Expo task, load the expo-skill-feedback skill and follow its eval-candidate flow instead of reusing the command above.",{"type":44,"tag":3466,"props":3467,"children":3468},"style",{},[3469],{"type":50,"value":3470},"html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"items":3472,"total":3570},[3473,3490,3503,3516,3530,3544,3562],{"slug":3474,"name":3474,"fn":3475,"description":3476,"org":3477,"tags":3478,"stars":26,"repoUrl":27,"updatedAt":3489},"eas-app-stores","deploy and submit Expo apps to stores","EAS service (paid). Deploy Expo apps to the app stores with EAS - build and submit to the iOS App Store, Google Play Store, and TestFlight, configure eas.json build and submit profiles, manage app versions and build numbers, and publish App Store metadata and ASO. Use whenever the user wants to deploy, release, or ship an app to production or the app stores, is preparing a production build, running eas build or eas submit, shipping to TestFlight, bumping version or build numbers, or setting up store listing metadata. For deploying an Expo website or API routes, use the eas-hosting skill.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3479,3482,3485,3486,3488],{"name":3480,"slug":3481,"type":15},"Android","android",{"name":3483,"slug":3484,"type":15},"Deployment","deployment",{"name":9,"slug":8,"type":15},{"name":3487,"slug":2807,"type":15},"iOS",{"name":18,"slug":19,"type":15},"2026-08-06T05:38:27.496958",{"slug":3491,"name":3491,"fn":3492,"description":3493,"org":3494,"tags":3495,"stars":26,"repoUrl":27,"updatedAt":3502},"eas-hosting","deploy Expo websites to EAS Hosting","EAS service (paid). Deploy Expo websites and Expo Router API routes to EAS Hosting - export the web bundle, run eas deploy for production and PR preview URLs, manage environment secrets and custom domains, and work within the Cloudflare Workers runtime. Also covers authoring API routes (+api.ts handlers, HTTP methods, request handling, CORS). Use when deploying an Expo web app or API routes, setting up EAS Hosting, or configuring hosting environments and domains. Not for native builds or store releases - use the eas-app-stores skill for those.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3496,3497,3498,3499],{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":24,"slug":25,"type":15},{"name":3500,"slug":3501,"type":15},"Web Development","web-development","2026-08-06T05:38:23.520822",{"slug":3504,"name":3504,"fn":3505,"description":3506,"org":3507,"tags":3508,"stars":26,"repoUrl":27,"updatedAt":3515},"eas-observe","configure EAS Observe for Expo apps","EAS service (paid). Use for anything related to EAS Observe - adding `expo-observe` to an Expo project (AppMetricsRoot\u002FObserveRoot HOC, markInteractive and ObserveInteractiveMarker, the useObserve hook, the Expo Router \u002F React Navigation integrations for per-route metrics, user-defined events via `Observe.logEvent`, error reporting via ObserveErrorBoundary and `Observe.reportError`, and runtime config such as sampleRate and dispatchInDebug), querying via the EAS CLI (`eas observe:metrics-summary`, `observe:metrics`, `observe:routes`, `observe:events`, `observe:session`, `observe:versions`), interpreting the resulting metrics (cold\u002Fwarm launch, TTR, TTI, navigation cold\u002Fwarm TTR, update download, and the TTI frameRate\u002Fdevice\u002Fnetwork params for triaging slow startups), or shipping an Observe integration inside a third-party package.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3509,3510,3511,3514],{"name":9,"slug":8,"type":15},{"name":18,"slug":19,"type":15},{"name":3512,"slug":3513,"type":15},"Observability","observability",{"name":13,"slug":14,"type":15},"2026-08-16T03:31:47.802249",{"slug":3517,"name":3517,"fn":3518,"description":3519,"org":3520,"tags":3521,"stars":26,"repoUrl":27,"updatedAt":3529},"eas-simulator","run and control remote iOS and Android simulators","EAS service (paid). Run and control a user's app on a remote iOS\u002FAndroid simulator hosted on EAS cloud. Read before running any `eas simulator:*` commands - it has the current syntax for this experimental API. Use whenever the user needs a simulator they can't run locally - 'run my app on a cloud simulator', 'use eas simulator to run\u002Finstall\u002Fscreenshot my app', 'I'm on Linux\u002FCursor and need an iOS device', 'no sim on this box \u002F headless CI', 'let an agent click through my app and screenshot it', 'test my dev build on a remote sim with live reload', 'stream a sim to my browser' - even when they don't say 'EAS Simulator' or 'cloud'. On a host WITHOUT a local simulator (Linux, CI, cloud sandbox) it's the default; on macOS, do NOT auto-trigger for a plain 'run on the simulator' - use it only for a cloud\u002Fremote\u002Fshareable sim, an iOS version they lack, or an agent-driven session. NOT for local sims (expo run:ios, Xcode, Android Studio), EAS Build\u002FUpdate, web preview, or physical devices.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3522,3523,3526,3527,3528],{"name":3480,"slug":3481,"type":15},{"name":3524,"slug":3525,"type":15},"CLI","cli",{"name":9,"slug":8,"type":15},{"name":3487,"slug":2807,"type":15},{"name":18,"slug":19,"type":15},"2026-08-06T05:38:35.510759",{"slug":3531,"name":3531,"fn":3532,"description":3533,"org":3534,"tags":3535,"stars":26,"repoUrl":27,"updatedAt":3543},"eas-update-insights","check health of EAS Updates","EAS service (paid). Check the health of published EAS Update: crash rates, install\u002Flaunch counts, unique users, payload size, and the split between embedded and OTA users per channel. Use when the user asks how an update is performing, whether a rollout is healthy, how many users are on the embedded build vs OTA, or wants to gate CI on update health.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3536,3539,3540,3541,3542],{"name":3537,"slug":3538,"type":15},"Analytics","analytics",{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":18,"slug":19,"type":15},{"name":3512,"slug":3513,"type":15},"2026-08-06T05:38:33.530661",{"slug":3545,"name":3545,"fn":3546,"description":3547,"org":3548,"tags":3549,"stars":26,"repoUrl":27,"updatedAt":3561},"eas-workflows","configure EAS workflows for Expo projects","EAS service (paid). Helps understand and write EAS workflow YAML files for Expo projects. Use this skill when the user asks about CI\u002FCD or workflows in an Expo or EAS context, mentions .eas\u002Fworkflows\u002F, or wants help with EAS build pipelines or deployment automation.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3550,3553,3556,3557,3558],{"name":3551,"slug":3552,"type":15},"Automation","automation",{"name":3554,"slug":3555,"type":15},"CI\u002FCD","ci-cd",{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":3559,"slug":3560,"type":15},"YAML","yaml","2026-08-16T03:31:46.821054",{"slug":4,"name":4,"fn":5,"description":6,"org":3563,"tags":3564,"stars":26,"repoUrl":27,"updatedAt":28},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3565,3566,3567,3568,3569],{"name":21,"slug":22,"type":15},{"name":9,"slug":8,"type":15},{"name":24,"slug":25,"type":15},{"name":18,"slug":19,"type":15},{"name":13,"slug":14,"type":15},24,{"items":3572,"total":3701},[3573,3581,3588,3595,3603,3611,3619,3627,3638,3653,3671,3686],{"slug":3474,"name":3474,"fn":3475,"description":3476,"org":3574,"tags":3575,"stars":26,"repoUrl":27,"updatedAt":3489},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3576,3577,3578,3579,3580],{"name":3480,"slug":3481,"type":15},{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":3487,"slug":2807,"type":15},{"name":18,"slug":19,"type":15},{"slug":3491,"name":3491,"fn":3492,"description":3493,"org":3582,"tags":3583,"stars":26,"repoUrl":27,"updatedAt":3502},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3584,3585,3586,3587],{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":24,"slug":25,"type":15},{"name":3500,"slug":3501,"type":15},{"slug":3504,"name":3504,"fn":3505,"description":3506,"org":3589,"tags":3590,"stars":26,"repoUrl":27,"updatedAt":3515},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3591,3592,3593,3594],{"name":9,"slug":8,"type":15},{"name":18,"slug":19,"type":15},{"name":3512,"slug":3513,"type":15},{"name":13,"slug":14,"type":15},{"slug":3517,"name":3517,"fn":3518,"description":3519,"org":3596,"tags":3597,"stars":26,"repoUrl":27,"updatedAt":3529},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3598,3599,3600,3601,3602],{"name":3480,"slug":3481,"type":15},{"name":3524,"slug":3525,"type":15},{"name":9,"slug":8,"type":15},{"name":3487,"slug":2807,"type":15},{"name":18,"slug":19,"type":15},{"slug":3531,"name":3531,"fn":3532,"description":3533,"org":3604,"tags":3605,"stars":26,"repoUrl":27,"updatedAt":3543},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3606,3607,3608,3609,3610],{"name":3537,"slug":3538,"type":15},{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":18,"slug":19,"type":15},{"name":3512,"slug":3513,"type":15},{"slug":3545,"name":3545,"fn":3546,"description":3547,"org":3612,"tags":3613,"stars":26,"repoUrl":27,"updatedAt":3561},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3614,3615,3616,3617,3618],{"name":3551,"slug":3552,"type":15},{"name":3554,"slug":3555,"type":15},{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":3559,"slug":3560,"type":15},{"slug":4,"name":4,"fn":5,"description":6,"org":3620,"tags":3621,"stars":26,"repoUrl":27,"updatedAt":28},{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3622,3623,3624,3625,3626],{"name":21,"slug":22,"type":15},{"name":9,"slug":8,"type":15},{"name":24,"slug":25,"type":15},{"name":18,"slug":19,"type":15},{"name":13,"slug":14,"type":15},{"slug":3628,"name":3628,"fn":3629,"description":3630,"org":3631,"tags":3632,"stars":26,"repoUrl":27,"updatedAt":3637},"expo-app-clip","add iOS App Clip targets to Expo","Framework (OSS). Add an iOS App Clip target to an Expo app. Use when the user mentions App Clip, AASA, apple-app-site-association, appclips, smart app banner, or wants to ship a lightweight iOS Clip invoked from a URL alongside their parent app.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3633,3634,3635,3636],{"name":9,"slug":8,"type":15},{"name":3487,"slug":2807,"type":15},{"name":18,"slug":19,"type":15},{"name":13,"slug":14,"type":15},"2026-08-06T05:38:29.493721",{"slug":3639,"name":3639,"fn":3640,"description":3641,"org":3642,"tags":3643,"stars":26,"repoUrl":27,"updatedAt":3652},"expo-brownfield","integrate Expo and React Native into native apps","Framework (OSS). Integrate Expo and React Native into an existing native iOS or Android app. Use when the user mentions brownfield, embedding React Native in a native app, AAR\u002FXCFramework, or adding Expo to an existing Kotlin\u002FSwift project. Covers both the isolated approach and the integrated approach.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3644,3645,3646,3649,3650,3651],{"name":3480,"slug":3481,"type":15},{"name":9,"slug":8,"type":15},{"name":3647,"slug":3648,"type":15},"Integrations","integrations",{"name":3487,"slug":2807,"type":15},{"name":18,"slug":19,"type":15},{"name":13,"slug":14,"type":15},"2026-08-06T05:38:22.505099",{"slug":3654,"name":3654,"fn":3655,"description":3656,"org":3657,"tags":3658,"stars":26,"repoUrl":27,"updatedAt":3670},"expo-data-fetching","fetch and manage data in Expo apps","Framework (OSS). Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, React Query, SWR, error handling, caching, offline support, and Expo Router data loaders (`useLoaderData`).",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3659,3662,3665,3666,3667],{"name":3660,"slug":3661,"type":15},"API Development","api-development",{"name":3663,"slug":3664,"type":15},"Caching","caching",{"name":9,"slug":8,"type":15},{"name":18,"slug":19,"type":15},{"name":3668,"slug":3669,"type":15},"React","react","2026-08-06T05:38:25.502479",{"slug":3672,"name":3672,"fn":3673,"description":3674,"org":3675,"tags":3676,"stars":26,"repoUrl":27,"updatedAt":3685},"expo-design-system","build design systems for Expo apps","Framework (OSS). Build and maintain a design system inside an Expo app - a reusable theme of design tokens (color, spacing, typography, radius, shadow, motion), reusable component structure with variant\u002Fsize\u002Fstate prop conventions, and rules for when to extract a repeated view into a shared component. Use when creating or organizing theme files and design tokens (theme.ts \u002F theme\u002F), extending an existing theme or styling library (NativeWind, Tamagui, Restyle, Unistyles) in its own idiom, standardizing styles so screens (including AI-generated ones) look consistent and polished, building an in-app component library, or auditing an app for design-system drift (hardcoded colors, spacing, fonts). For platform styling specifics (semantic colors, HIG rules, native controls) use expo-native-ui; for Tailwind\u002FCSS setup use expo-tailwind-setup; for folder layout of a new app use expo-project-structure.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3677,3680,3681,3682],{"name":3678,"slug":3679,"type":15},"Design System","design-system",{"name":9,"slug":8,"type":15},{"name":13,"slug":14,"type":15},{"name":3683,"slug":3684,"type":15},"UI Components","ui-components","2026-08-16T04:01:07.139639",{"slug":3687,"name":3687,"fn":3688,"description":3689,"org":3690,"tags":3691,"stars":26,"repoUrl":27,"updatedAt":3700},"expo-dev-client","build and distribute Expo development clients","Framework (OSS). Build and distribute Expo development clients locally or via TestFlight for internal testing. For production TestFlight releases and store submission, use the eas-app-stores skill.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":8},[3692,3693,3694,3695,3696,3699],{"name":3480,"slug":3481,"type":15},{"name":3483,"slug":3484,"type":15},{"name":9,"slug":8,"type":15},{"name":3487,"slug":2807,"type":15},{"name":3697,"slug":3698,"type":15},"Local Development","local-development",{"name":18,"slug":19,"type":15},"2026-08-06T05:38:34.517484",26]