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ios-simulator-eval-loop

Launch, drive, and verify iOS apps in the Apple Simulator with xcodebuild and simctl.

Updated Aug 23, 2026
Search Tags:#automation#testing#ci/cd#verification#ios#simulator#xcodebuild
One-click install
npx skills add https://github.com/helpful-bits/plantocode --skill ios-simulator-eval-loop
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ios-simulator-eval-loop
Source: https://github.com/helpful-bits/plantocode/tree/main/.agents/skills/ios-simulator-eval-loop
Command: npx skills add https://github.com/helpful-bits/plantocode --skill ios-simulator-eval-loop

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the process of testing iOS applications within the Apple Simulator, ensuring repeatable verification loops and generating actionable evidence for debugging and iteration.

Core Features & Use Cases

  • Deterministic Testing: Execute tests using xcodebuild and XCTest/Swift Testing for reliable results.
  • Artifact Generation: Collect comprehensive evidence including logs, .xcresult bundles, screenshots, and optional video recordings.
  • Iterative Debugging: Facilitates a rapid fix-and-retest cycle by re-running tests on the same simulator configuration.
  • Use Case: When an iOS app build fails in CI, this Skill can be invoked to reproduce the failure in a controlled simulator environment, capture detailed logs and a video of the failure, and provide specific artifacts to help developers quickly identify and fix the root cause.

Quick Start

Run the iOS simulator evaluation loop for the 'PlanToCode' scheme on an iPhone 17 Pro with iOS 26.2.

Frequently Asked Questions about ios-simulator-eval-loop

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate iOS simulator testing and capture failure artifacts?▼

Automate iOS simulator testing by driving app execution with xcodebuild, XCTest, and simctl to generate repeatable verification loops. This captures actionable evidence like .xcresult bundles, logs, screenshots, and optional video recordings to debug failures.

Can I reproduce a CI failure locally using xcodebuild and the iOS simulator?▼

Yes, you can reproduce a CI failure locally by running xcodebuild within a controlled iOS simulator environment. This executes the app tests, captures detailed failure logs, and records a video to help identify the root cause.

What is the best way to gather screenshots and video recordings from an iOS simulator test run?▼

The best way to gather screenshots and videos from an iOS simulator test run is to use simctl alongside xcodebuild. This drives the UI flows and automatically collects comprehensive artifacts for iterative debugging.

How do I run a repeatable verification loop for an iOS app on a specific simulator configuration?▼

Run a repeatable verification loop by specifying the scheme and simulator configuration, such as an iPhone 17 Pro with iOS 26.2, then executing tests via xcodebuild to iterate on failures rapidly.

Does this iOS simulator testing approach support Swift Testing frameworks?▼

Yes, this approach supports Swift Testing frameworks. It executes tests using xcodebuild in combination with XCTest and Swift Testing within the Apple Simulator to ensure deterministic and reliable verification results.

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