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eas-simulator

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Run and control a user's app on a remote iOS/Android simulator hosted on EAS cloud. Read before running any `eas simulator:*` commands - it has the current syntax for this experimental API. Use whenever the user needs a simulator they can't run locally - 'run my app on a cloud simulator', 'use eas simulator to run/install/screenshot my app', 'I'm on Linux/Cursor and need an iOS device', 'no sim on this box / headless CI', 'let an agent click through my app and screenshot it', 'test my dev build on a remote sim with live reload', 'stream a sim to my browser' - even when they don't say 'EAS Simulator' or 'cloud'. On a host WITHOUT a local simulator (Linux, CI, cloud sandbox) it's the default; on macOS, do NOT auto-trigger for a plain 'run on the simulator' - use it only for a cloud/remote/shareable sim, an iOS version they lack, or an agent-driven session. NOT for local sims (expo run:ios, Xcode, Android Studio), EAS Build/Update, web preview, or physical devices.

plugins/expo/skills/eas-simulator/SKILL.md

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Nov 9, 2026

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Nov 6, 2026
License
MIT

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# EAS Simulator

> **EAS service - costs apply.** Sessions count toward your account's pricing and limits and stop at their maximum duration. Stop a session with `eas simulator:stop` when the task is done. See https://expo.dev/pricing for current terms.

EAS Simulator runs a remote iOS simulator or Android emulator on EAS infrastructure that you drive from your machine — from the CLI, from an AI agent (via `agent-device`), and from a browser preview. It's the unlock for **environments that can't run a simulator locally** (Linux boxes, cloud/background agents like Cursor Cloud), and for letting an agent *verify* a change on a real device instead of only reasoning about code.

The `simulator:*` commands are **experimental and hidden**, and need a recent eas-cli (≥ 20.3.0 as of writing) — which is why this skill runs everything via `npx --yes eas-cli@latest`. Flags and verbs may change; **the relevant subcommand's `--help` output is authoritative.**

## When to use

The frontmatter `description` carries the trigger phrases. In short: use this to get a user's app onto a **cloud** simulator and interact with it — especially from a Mac-less or cloud/sandbox agent. **Not** for local sims (`expo run:ios`, Xcode, Android Studio), store builds/signing (that's EAS Build), or physical devices. For the macOS case, see *Cloud vs local* next.

## Cloud vs local: decide this first
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