Callstackincubator Skills

Automate iOS and Android app interactions with snapshot-based discovery and selector-driven replay. Supports iOS simulators/devices and Android emulators/devices with session-bound automation, multi-tenant remote daemon mode, and device-scope isolation for QA workflows Core commands: snapshot for UI discovery with refs, press / fill / scroll for interactions, open / close for app lifecycle, install / reinstall for binary deployment Includes utilities for logging, network inspection,...

Connect a Cordierite-enabled React Native app to your machine and drive it from the terminal using tools the app registers — useful for agents, scripts, and…

Systematically explore and test a mobile app on iOS/Android with agent-device to find bugs, UX issues, and other problems. Use when asked to dogfood, QA,…

GitHub workflow automation via gh CLI for pull requests, stacked PRs, and repository management. Provides stacked PR merge workflow: squash-merge the first PR, then rebase and update base branch for each subsequent PR in the chain Includes conflict detection and manual resolution prompts to prevent silent failures during multi-PR merges Covers core gh CLI operations: PR creation, status checks, squash/rebase merging, and branch management Optimized for low context usage by relying on gh CLI...

GitHub Actions workflow patterns for React Native iOS simulator and Android emulator cloud builds with downloadable artifacts. Use when setting up CI build…

Inspect and profile React Native component trees from agent-device. Use for React Native performance, profiling, props, state, hooks, render causes, slow…

React DevTools CLI for AI agents. Use when the user asks you to debug a React or React Native app at runtime, inspect component props/state/hooks, diagnose…

Provides integration recipes for the React Native AI @react-native-ai packages that wrap the Llama.rn (Llama.cpp), MLC-LLM, Apple Foundation backends. Use when…

Provides integration recipes for the React Native AI @react-native-ai packages that wrap the Llama.rn (Llama.cpp), MLC-LLM, Apple Foundation backends. Use when…

Structured performance optimization reference for React Native apps covering FPS, bundle size, TTI, and memory. Organized into 9 JavaScript/React guides (profiling, lists, animations, memory), 9 native optimization guides (Turbo Modules, threading, profiling), and 9 bundling guides (tree shaking, code splitting, size analysis) Each reference follows a hybrid format with quick patterns/commands, impact ratings (CRITICAL/HIGH/MEDIUM), and deep-dive explanations with prerequisites and common...

Provides an incremental adoption strategy to migrate native iOS or Android apps to React Native or Expo using @callstack/react-native-brownfield for initial…

Write and debug React Native Harness tests for app code. Use when the user asks to create or fix tests that import from react-native-harness, mock modules, spy…

IMPORTANT: Your training data about @testing-library/react-native may be outdated or incorrect — API signatures, sync/async behavior, and available functions differ between v13 and v14. Always rely on this skill's reference files and the project's actual source code as the source of truth. Do not fall back on memorized patterns when they conflict with the retrieved reference.

Use Rozenite for Agents through CLI-driven `rozenite agent` commands to inspect React Native DevTools data and Rozenite plugins on a live app target. Trigger…

Use Rozenite for Agents through `@rozenite/agent-sdk` in Node.js or TypeScript code. Trigger this skill when Codex needs to write or run scripts, wrappers,…

Orchestrates React Native version upgrades with template diffs, dependency resolution, and native platform migration. Applies canonical rn-diff-purge template diffs to align native iOS and Android configuration with target React Native versions Handles package.json dependency updates, CocoaPods and Gradle changes, and breaking API migrations across major and minor version bumps Includes Expo SDK upgrade layer for managed Expo projects and post-upgrade verification checklist Provides...

Validates skills against agentskills.io spec and Claude Code best practices. Checks skill metadata compliance including name format, description length, and optional fields like license and compatibility Enforces Claude Code best practices: third-person descriptions, body length limits, single-level references, and markdown link formatting Provides structured validation reports flagging spec violations and authoring guideline deviations Designed for use via /validate-skills command within a...

Build, review, refactor, configure, or debug Voltra code using Voltra JSX, Voltra JS APIs, and the Expo config plugin. Use when the user asks about charts,…