Drive iOS and Android devices for the Expensify App - testing, debugging, performance profiling, bug reproduction, and feature verification. Use when the developer needs to interact with the mobile app on a device.
Provides coding standards for React Native — performance patterns, consistency rules, and clean React architecture. Use when writing, modifying, or reviewing code.
Test the Expensify App using Playwright browser automation. Use when user requests browser testing, after making frontend changes, or when debugging UI issues
Records iOS/Android native MP4 evidence for test/repro flows extracted from an Expensify GitHub PR or issue. Use when the user asks to "record the flow for PR
Use when measuring a Sentry performance span locally with an agent-device replay flow on iOS simulator or Android emulator.
Analyze Sentry issues, spans, crashes, and performance metrics. Use when user requests check in Sentry, asks about performance metrics and spans or asks about crash rates.
Onyx state management patterns — useOnyx hook, action files, optimistic updates, collections, and offline-first architecture. Use when working with Onyx connections, writing action files, debugging state, or implementing API calls with optimistic data.