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Agent skill

Limrun iOS Simulator

by superset-sh in superset-sh/superset

Drives an app on a Limrun cloud iOS simulator from any OS: launch, tap, type, read the accessibility tree and logs, take screenshots, record video and reach local services.

Custom licenceAuto-check: notesMobile

Install Limrun iOS Simulator

skills CLI
$ npx skills add superset-sh/superset --skill limrun-ios-simulator -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install superset-sh/superset limrun-ios-simulator --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/superset-sh/superset.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/limrun-ios-simulator .claude/skills/limrun-ios-simulator && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
limrun-ios-simulator
GitHub stars
15k
Token cost
~5.2k tokens
SKILL.md length
2,259 words
Files
1
Skills in repo
47
Repo updated
First seen
Licence
Custom licence

At a glance

Drives an app on a Limrun cloud iOS simulator from any OS: launch, tap, type, read the accessibility tree and logs, take screenshots, record video and reach local services.

  • Seeing or testing an iOS app after a build without a local simulator
  • SKILL.md covers Auth and CLI, Installing an app bundle, Fold an iPhone Duo and Targeting the right instance, plus 14 more sections
  • Calls npm and git; reaches console.limrun.com; needs LIM_API_KEY
  • Taking a screenshot or recording a video of the running app

What it does

Everything runs through the lim CLI against a cloud simulator, so it works from Linux, Windows, macOS, a VM or a container, and the skill forbids using local Xcode, local simulators or local macOS tools. It assumes the app was already built for the simulator by a build skill, limrun-xcode-bazel for Bazel workspaces or limrun-xcode for xcodebuild projects, or that a pre-built .ipa or .app folder is synced from disk.

The agent checks what is attached with lim xcode get and lim ios list, creates a simulator with lim ios create when none exists, and shares the signed stream URL with you as a Markdown link so you can watch live. Beyond launching and tapping, the description lists reading the element tree, app logs and simulator syslog, screenshots, video recording, a localhost bridge, a video file as the camera, clipboard, user defaults, notifications and timed action chains. Authentication is lim login or the LIM_API_KEY variable.

When your agent uses it

  • Seeing or testing an iOS app after a build without a local simulator
  • Taking a screenshot or recording a video of the running app
  • Reading app logs while reproducing a bug on a simulator
  • Letting the simulator reach a development server on localhost

Example prompts

  • “Launch the app on the simulator and send me a screenshot of the home screen.”
  • “Tap the Sign In button, type the test email, and read the accessibility tree afterward.”
  • “Record a short video of the onboarding flow and show me the app logs from that run.”

Requirements

  • The lim CLI, installed with npm install --global lim
  • A Limrun login or LIM_API_KEY
  • An app built for the iOS simulator

What it can do on your machine

Read from SKILL.md and the folder at commit 4ec5b6e. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npm
    • git

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • console.limrun.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • LIM_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Limrun iOS Simulator loads about 5.2k tokens when it runs. Until then it costs about 211 tokens; SKILL.md has 2,259 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~211
When it runs · the whole SKILL.md, loaded when a task matches
~5.2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:21
    set in the user's environment even when `.env` and the shell do not show it; check before asking for it). The CLI is the

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 2,259 words (~5,198 tokens).

“Interact with an app running on a Limrun cloud iOS simulator, from any environment (Linux, Windows, macOS, VM, container). This skill is build-agnostic: it assumes the app was already built and installed by a build skill (limrun-xcode-bazel for Bazel, limrun-xcode…”

— opening of SKILL.md by superset-sh, Custom licence
name
limrun-ios-simulator
user-invocable
true
effort
high

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/limrun-ios-simulator of superset-sh/superset.

Open the folder on GitHubat commit 4ec5b6e

Compare with similar skills

Limrun iOS Simulator next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Limrun iOS Simulator compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Limrun iOS Simulator this skillsuperset-sh/superset15k—~5.2kAutomated safety check: NotesCustom licence
Orca iOS Simulator Controlstablyai/orca89k1 repos~584Automated safety check: PassApache-2.0
Xcode Simulator TestEveryInc/compound-engineering-plugin25k—~519Automated safety check: PassMIT
Apple Crash Log .NET Symbolicationdotnet/skills5.6k1 repos~2.4kAutomated safety check: PassMIT
FlowdeckSwiftedMind/Tessera116—~11kAutomated safety check: PassMIT
iOS Accessibility Testingconorluddy/xclaude-plugin183—~5kAutomated safety check: PassMIT

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Works with

Categories

Questions about Limrun iOS Simulator

What does Limrun iOS Simulator do?

Drives an app on a Limrun cloud iOS simulator from any OS: launch, tap, type, read the accessibility tree and logs, take screenshots, record video and reach local services. Everything runs through the lim CLI against a cloud simulator, so it works from Linux, Windows, macOS, a VM or a container, and the skill forbids using local Xcode, local simulators or local macOS tools.app folder is synced from disk.

When should I use Limrun iOS Simulator?

Limrun iOS Simulator fits situations like: seeing or testing an iOS app after a build without a local simulator; taking a screenshot or recording a video of the running app; reading app logs while reproducing a bug on a simulator; letting the simulator reach a development server on localhost.

How do I install Limrun iOS Simulator in Claude Code?

Run `npx skills add superset-sh/superset --skill limrun-ios-simulator -a claude-code`. Or copy the skill folder (.agents/skills/limrun-ios-simulator in superset-sh/superset) into .claude/skills/limrun-ios-simulator in your project. Claude Code loads it when a task matches its description.

How do I install Limrun iOS Simulator in Codex?

Run `npx skills add superset-sh/superset --skill limrun-ios-simulator -a codex`. Or copy the skill folder (.agents/skills/limrun-ios-simulator in superset-sh/superset) into .agents/skills/limrun-ios-simulator in your project. Codex loads it when a task matches its description.

Can I use Limrun iOS Simulator in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add superset-sh/superset --skill limrun-ios-simulator -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/limrun-ios-simulator, .gemini/skills/limrun-ios-simulator, .github/skills/limrun-ios-simulator and .opencode/skills/limrun-ios-simulator in your project.

What does Limrun iOS Simulator need to run?

Going by SKILL.md and its folder, Limrun iOS Simulator needs the command-line tools its instructions call (npm and git) and credentials named LIM_API_KEY. Our summary lists: The lim CLI, installed with npm install --global lim; A Limrun login or LIM_API_KEY; An app built for the iOS simulator.

Does Limrun iOS Simulator access the network?

SKILL.md names 1 domain. In commands or code: console.limrun.com; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Limrun iOS Simulator safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Limrun iOS Simulator use?

Limrun iOS Simulator has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Limrun iOS Simulator use?

About 5.2k tokens (SKILL.md is roughly 21k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Limrun iOS Simulator?

Skills that share tags, products or a category with Limrun iOS Simulator: Orca iOS Simulator Control (stablyai/orca, 89k stars), Xcode Simulator Test (EveryInc/compound-engineering-plugin, 25k stars), Apple Crash Log .NET Symbolication (dotnet/skills, 5.6k stars) and Flowdeck (SwiftedMind/Tessera, 116 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Limrun iOS Simulator?

superset-sh (a GitHub organization) maintains it in superset-sh/superset, which has 15,042 GitHub stars. The repository holds 47 skills in this directory. The repository was last updated on October 10, 2026.

Source: superset-sh/superset on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.