callstack

Automates Apple-platform apps (iOS, tvOS, macOS) and Android devices. Use when navigating apps, taking snapshots/screenshots, tapping, typing, scrolling, extracting UI info, collecting logs/network/perf evidence, or planning agent-device CLI commands.

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, exploratory test, find issues, bug hunt, or test this app on mobile.

Route React Native calls to existing native screens through a generated Brownfield navigation contract.

Provides guidance for shared state in React Native brownfield apps with @callstack/brownie. Define stores in TypeScript, run brownfield codegen, use the generated APIs in React Native and native hosts, and package native artifacts for integration.

Maestro mobile E2E testing for React Native and Expo apps. Use when Codex needs to write, review, debug, or run Maestro YAML flows; add stable testID selectors; handle mobile auth state, OTP or magic-link flows, optimistic updates, native dialogs, platform-specific behavior, CI execution, Maestro Cloud, or Maestro MCP/device-tool workflows.

Use when upgrading react-native to a newer version. Handles version bumps, native project changes (Android/iOS), dependency updates, and breaking change migration. Invoke with `/upgrade-react-native <version>`.

Automates Apple-platform apps (iOS, tvOS, macOS) and Android devices. Use when navigating apps, taking snapshots/screenshots, tapping, typing, scrolling, extracting UI info, collecting logs/network/perf evidence, or planning agent-device CLI commands.