State management

Rules for writing idiomatic Svelte 5 code: when to reach for runes like state, derived and effect, and how to handle props, attachments and bindings.

rilldata/rill

Use when implementing or refactoring React/TypeScript components and the task requires decisions about component ownership, feature boundaries…

langgenius/dify

Scaffolds, extends and verifies local-first JavaScript and TypeScript apps built on TinyBase, from create-tinybase through persistence and sync.

tinyplex/tinybase

Create self-contained interactive HTML code-review dashboards from GitHub or GitLab pull requests, checked-out branch diffs, or supplied unified diffs, with correctness and safe-to-merge scores…

ai-dynamo/dynamo

nuqs (type-safe URL query state) best practices for Next.js and other React frameworks.

trycompai/crm

Expert guidance for hybrid AppKit-SwiftUI development. An agent skill from KartikLabhshetwar/better-shot.

KartikLabhshetwar/better-shot

Compose Multiplatform and Jetpack Compose patterns for KMP projects — state management, navigation, theming, performance, and platform-specific UI.

monta-app/ocpp-emulator

Master modern React state management with Redux Toolkit, Zustand, Jotai, and React Query.

involvex/youtube-music-cli

Explains how to use the @pierre/theming package to list, resolve, select, switch and persist themes, with controller, color and React references.

pierrecomputer/pierre

Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.

kurealnum/dotfiles

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, and iOS 26+ Liquid Glass adoption.

ilyas-hallak/romm-ios-app

Explains how LobeHub client code fetches data through services, SWR store hooks and cache keys, and when to avoid useEffect fetching or duplicated state.

lobehub/lobehub

Helps choose between Bloc and Cubit in Flutter and sets defaults for packages, lifecycle, widget binding and tests.

andrewyng/context-hub

Documentation knowledge base for the ofa.js no-build front-end framework, with rules that keep generated code in ofa.js syntax rather than Vue or React habits.

ofajs/ofa.js

URL search param and hash state management. An agent skill from promptfoo/promptfoo.

promptfoo/promptfoo

Audit Android Jetpack Compose repositories for performance, animation phase correctness, state management, side effects, composable API quality, and adjacent Android launch UX resource risks such as…

hamen/compose_skill

Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, modern APIs, Swift concurrency, and iOS 26+ Liquid Glass adoption.

AFK-surf/OpenBridge

Implement @data-client Managers for global/background side effects - websocket, SSE, polling, real-time updates, subscriptions, logging, analytics, metrics/timing, error reporting (Sentry), toast…

reactive/data-client

A skill your agent uses when the user is hitting Claude usage limits, burning through tokens fast, running a long conversation, or asks how to use Claude Code more efficiently.

Dubibubii/usage-limit-reducer

How to build desktop applications with GPUI Kit, the Rust framework published as the gpui-kit crate (GPUI plus gpuikit::component, gpuikit::base, gpuikit::assets).

StudentWeis/ropy

Sets the rules for building the Cursor BYOK desktop app's React and Tauri frontend, especially its HTTP boundary and component state architecture.

leookun/cursor-byok

Apple HIG guidance for selection and input controls including pickers, toggles, sliders, steppers, segmented controls, combo boxes, text fields, text views, labels, token fields, virtual keyboards…

raintree-technology/hig-doctor

This skill should be used when the user wants to "write agent code", "build an agent with ADK", "add a tool", "create a callback", "define an agent", "use state management", or needs ADK (Agent…

pifferologo/cloud-agents-cli

Flutter animation using the Cue package. An agent skill from Milad-Akarie/cue.

Milad-Akarie/cue

Pattern for implementing optimistic UI updates with effect-atom in this codebase.

UsefulSoftwareCo/executor

TanStack Query (React Query) best practices for data fetching, caching, mutations, and server state management.

DeckardGer/tanstack-agent-skills

Reference knowledge base for the no-build ofa.js framework, with syntax rules and a table of mistakes to avoid when writing components, pages and routes.

ofajs/ofa.js

A skill your agent uses when developing applications with the Summon Kotlin Multiplatform UI framework.

codeyousef/summon

How to create cubits, define states, use the EffectMixin pattern, and handle side effects in the Unyo Flutter app.

K3vinb5/unyo-app

Chinese-language rules for building, changing and reviewing product front ends, covering interface, interaction, state and data flow and component organization.

oil-oil/oil-frontend

Expert code reviewer for TypeScript + React 19 applications.

SuFxGIT/scoutarr

A skill your agent uses when building cross-platform applications with Flutter 3+ and Dart.

FNOSP/FlyNarwhal

Conventions for the opentrons-ai-client React/TypeScript frontend — project structure, API integration, state management (Jotai), feature flags, types, and testing.

Opentrons/opentrons

Create or modify ryOS Zustand stores following repo conventions — persist middleware, partialize, versioned migrations, the debounced write-behind storage adapter for large slices, and cloud-sync…

ryokun6/ryos

Official Feature-Sliced Design (FSD) v2.1 skill for applying the methodology to frontend projects.

feature-sliced/skills

A skill your agent uses when user wants to create a new Next.js 15 project (Todo/Blog/Dashboard/E-commerce/Custom domain) with App Router, ShadCN, Zustand, Tanstack Query, and modern Next.js stack

bear2u/my-skills

Builds robust Python MCP (Model Context Protocol) servers with FastMCP — tool design, error contracts, event-loop-safe blocking work, subprocess/CLI wrapping, single-file vs packaged distribution…

kajisho5/ffmpeg-skill

Project switching implementation in sidecar: project discovery, state management, UI flow, modal rendering, filtering, theme preview, and plugin reinitialization.

marcus/sidecar

Class-based reactive state management for React (Expressive MVC).

gabeklein/expressive-mvc

Step-by-step guide for migrating React applications to Gea — covering project setup, component conversion, state management, routing, styling, and known pitfalls.

dashersw/gea

Comprehensive best practices for the Freighter browser extension.

stellar/freighter

Development and maintenance of Xray Config UI Editor. An agent skill from bropines/xray-config-ui-editor.

bropines/xray-config-ui-editor

Guides writing correct, performant Compose and Compose Multiplatform UI across Android, desktop, iOS and web, from state and animation to design-to-code and crash fixes.

rcosteira79/android-skills

Bulletproof React architecture patterns for scalable, maintainable applications.

yamcodes/arkenv

Sets the conventions for the Opik React frontend: TanStack Query for data, Zustand for shared state, one-way layer imports and a fix for Google Translate crashes.

comet-ml/opik

Reviews and authors Cloudflare Workers code against production best practices.

hodgef/apiker

Website map editor UI patterns: click-to-edit flows, Zustand modals, WholeNumberInput, ComboboxTypeahead for entity/item ids, list panels, and styling.

webdevcody/survive-the-night-game

SolidJS framework development skill for building reactive web applications with fine-grained reactivity.

fjrevoredo/mini-diarium