Aarvion-AI
OrganizationEnd-to-end development skills for Claude Code: framework-specific expertise for frontend, backend, mobile, infra, and QA, with verification baked into every workflow.
Categories
Indexed Skills (15)
docker-expert
Use when working with Dockerfile, docker-compose.yml, .dockerignore, or multi-stage builds. Build, debug, secure, and optimize Docker 27+ images and Docker Compose services.
remix-expert
Use when working in a React Router 7 / Remix v2 framework-mode codebase with app/routes, loaders and actions, react-router.config.ts, useLoaderData / useActionData, Form, useNavigation, Outlet, or ErrorBoundary. Builds and refactors route modules, server data loading, mutations, pending UI, nested routing, and route-level error handling. Invoke for adding routes, replacing unnecessary useEffect data fetching, implementing Form/action mutations, fixing nested routing or revalidation bugs, and debugging route errors.
fastapi-expert
Use when building or debugging FastAPI services - files importing fastapi, pydantic, or sqlalchemy.ext.asyncio; projects with pyproject.toml using uv/ruff/mypy; mentions of FastAPI, Pydantic v2, APIRouter, Depends, async endpoints, OAuth2/JWT auth, or pytest with httpx. Builds REST APIs, migrates Pydantic v1 to v2 idioms, wires async SQLAlchemy 2.0, adds auth and settings, writes async tests. Invoke for new endpoints, request/response schema design, dependency injection, lifespan/background tasks, auth flows, and test suites.
fastify-expert
Use when building or debugging Fastify services - files importing fastify, fastify-plugin, @fastify/* packages, or @sinclair/typebox; projects with a Fastify app factory, route plugins, or app.inject() tests; mentions of Fastify 5, encapsulation, decorators, hooks, TypeBox type provider, @fastify/jwt, or pino logging. Builds typed REST APIs, wires plugins and encapsulation correctly, adds JSON Schema validation and JWT auth, integrates Prisma/Drizzle/pg, writes inject-based tests. Invoke for new routes/plugins, schema-first request typing, auth flows, error handling, database wiring, and test suites.
flutter-expert
Use when working in a Flutter project - pubspec.yaml, *.dart files, lib/main.dart, analysis_options.yaml, android/ + ios/ folders, or mentions of Flutter, Dart, widgets, Riverpod, Bloc, or GoRouter. Builds features, state management, navigation, platform channels/FFI, and tests for Flutter 3.3x / Dart 3.x apps. Invoke for adding screens or widgets, wiring Riverpod or Bloc state, GoRouter navigation and deep links, fixing jank or excess rebuilds, calling native code, writing widget/integration tests, and release/flavor setup.
go-expert
Use when writing or reviewing Go backend services - go.mod, *.go files, net/http handlers, pgx/sqlc database code, goroutines, context.Context plumbing, or failing `go test` runs. Builds HTTP APIs on the Go 1.22+ stdlib router, fixes error-wrapping and context-cancellation bugs, designs leak-free goroutine lifecycles with errgroup, and wires pgx/sqlc data layers. Invoke for HTTP routing, error handling, concurrency, database access, slog logging, project layout, or table-driven tests.
jetpack-compose-expert
Use when working in a native Android Jetpack Compose project - build.gradle.kts with androidx.compose BOM or org.jetbrains.kotlin.plugin.compose, *.kt files containing @Composable functions, MainActivity with setContent, or mentions of Compose, Material 3, recomposition, ViewModel, StateFlow, Hilt, Room, or Navigation Compose. Builds screens, state management, navigation, DI, and tests for Kotlin 2.x / Compose BOM 2026 apps. Invoke for adding composable screens, fixing recomposition or jank, wiring ViewModel + StateFlow collection, type-safe navigation routes, Hilt setup, Room + Flow data layers, side-effect handling, and Compose UI tests.
mobile-qa-expert
Use when testing mobile apps on emulators or real devices - Appium 2.x (UiAutomator2/XCUITest), AWS Device Farm, BrowserStack App Automate, Maestro, .apk/.aab/.ipa files, wdio/appium configs, testspec.yml, or flows blocked by Play Integrity, cert pinning, or OTP logins. Builds device automation suites, debugs flaky real-device runs, automates authenticated flows unattended, and sets up cloud release gates. Invoke for writing Appium tests, Device Farm/BrowserStack runs, Maestro smoke flows, tapping elements that won't click, or OTP/login automation.
nestjs-expert
Use when working in a NestJS project - nest-cli.json, @nestjs/* imports, *.module.ts / *.controller.ts / *.service.ts files, main.ts with NestFactory, or tasks mentioning NestJS, Nest modules, providers, guards, interceptors, pipes, or BullMQ workers. Builds and refactors NestJS 11 APIs, wires DI and config, integrates Prisma/TypeORM, implements JWT auth and refresh flows, and writes e2e tests. Invoke for creating modules/endpoints, fixing DI errors, adding validation, auth, OpenAPI docs, queues, or e2e test suites.
playwright-expert
Use when writing or fixing E2E tests in a Playwright project - playwright.config.ts, *.spec.ts files under tests/ or e2e/, @playwright/test imports - or right after implementing a frontend/backend change that needs an end-to-end proof. Writes and extends TypeScript E2E suites as the QA gate for feature and bug-fix work, stabilizes flaky tests, sets up storageState auth, mocks the network with page.route/HAR, and wires parallel/sharded CI. Invoke for adding E2E coverage for a change, converting waitForTimeout/CSS-selector tests to web-first assertions and role locators, diagnosing flake with the trace viewer, adding toHaveScreenshot visual checks, and configuring sharded CI runs.
react-expert
Use when working in a React 19 / Next.js 15 codebase - .tsx/.jsx files, next.config.ts, app/ router directories, "use client"/"use server" directives, package.json with react or next dependencies. Builds and refactors Server/Client Components, server actions and forms, Suspense/streaming UIs, and TanStack Query or Zustand data layers; debugs hydration and boundary errors. Invoke for adding routes or components, wiring mutations with useActionState, choosing state management, fixing "Cannot use hooks in Server Component" class errors, memoization cleanup under React Compiler, and testing RSC apps.
react-native-expert
Use when building or debugging React Native apps - files using .tsx with react-native imports, app.json/app.config.ts, expo-router app/ directories, metro.config.js, eas.json, or mentions of Expo, Fabric, TurboModules, Reanimated, FlashList, or Maestro. Builds screens and navigation with Expo Router, integrates native modules, optimizes lists and animations, sets up EAS Build/Update, and writes Jest/RNTL and Maestro tests. Invoke for navigation and deep linking, New Architecture migration, list/animation performance, platform-specific code, native module authoring, and release pipeline setup.
swiftui-expert
Use when working in a native iOS/SwiftUI project - *.swift files, an *.xcodeproj or Package.swift, Xcode schemes, or mentions of SwiftUI, Swift 6, @Observable, SwiftData, NavigationStack, actors, or Swift Testing. Builds views and features, wires Observation-based state, fixes Swift 6 strict-concurrency errors, models persistence with SwiftData, and writes Swift Testing/XCTest suites for iOS 18+ apps. Invoke for adding screens or view models, migrating ObservableObject to @Observable, resolving Sendable/actor-isolation compile errors, NavigationStack routing and deep links, async URLSession networking, diagnosing excess body re-evaluation, and UI-test-ready accessibility identifiers.
terraform-expert
Use when working with .tf/.tofu/.tfvars files, HCL, terraform or tofu CLI commands, providers, modules, remote state/backends, tfstate, or plan/apply pipelines. Writes and refactors Terraform 1.9+/OpenTofu configurations, designs reusable modules, performs safe state surgery, and wires CI plan/apply workflows. Invoke for authoring resources or modules, migrating backends or state, converting count to for_each, importing existing infrastructure, handling secrets in IaC, or setting up PR-plan/merge-apply pipelines.
vue-expert
Use when working with .vue single-file components, nuxt.config.ts, vite.config.ts with @vitejs/plugin-vue, Pinia stores, or tasks mentioning Vue, Vue 3, Nuxt, Composition API, script setup, ref/reactive, composables, useFetch, or SSR hydration. Builds Vue 3.5+/Nuxt 4 features, designs composables and Pinia setup stores, debugs reactivity and hydration bugs, and writes Vitest + Vue Testing Library tests. Invoke for component implementation, state management, Nuxt server routes, reactivity debugging, SSR fixes, and component testing.
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