Use when debugging NavigationStack issues (not responding, unexpected pops, crashes), build failures (SPM resolution, "No such module", hanging builds), or memory problems (retain cycles, leaks, deinit not called). Systematic diagnostic workflows for iOS/macOS.
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
SKILL.md / Manifest
https://raw.githubusercontent.com/johnrogers/claude-swift-engineering/main/plugins/swift-engineering/skills/swift-diagnostics/SKILL.mdRegistry
github (via claudemarketplaces.com)