home/categories/testing/charleswiltgen-axiom-axiom-codex-skills-axiom-xcode-debugging-skill-md
testingtesting-security

axiom-xcode-debugging

Use when encountering BUILD FAILED, test crashes, simulator hangs, stale builds, zombie xcodebuild processes, "Unable to boot simulator", "No such module" after SPM changes, or mysterious test failures despite no code changes - systematic environment-first diagnostics for iOS/macOS projects

CharlesWiltgen
maintainer
CharlesWiltgen
Updated 4/10/2026
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quick start

Installation and usage

Use when encountering BUILD FAILED, test crashes, simulator hangs, stale builds, zombie xcodebuild processes, "Unable to boot simulator", "No such module" after SPM changes, or mysterious test failures despite no code changes - systematic environment-first diagnostics for iOS/macOS projects

Installation
$ install --globalskills.sh
Usage

Once installed, you can use this skill by running the following command in your terminal:

skills use axiom-xcode-debugging