Use when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18.
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/ios-26-platform/SKILL.mdRegistry
github (via claudemarketplaces.com)