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migration-patterns

95 / 100 · Low risk

Fine to try.

By rshankras/claude-code-apple-skills (GitHub) · coding · 882 stars · scanned at commit f958982

Migration guides for CoreData to SwiftData, UIKit to SwiftUI, ObservableObject to @Observable, XCTest to Swift Testing, Objective-C to Swift, and StoreKit 1 to StoreKit 2. Use when migrating between Apple framework generations.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'migration-patterns' ] || [ -L ~/.agents/skills/'migration-patterns' ]; then echo 'A skill folder named migration-patterns already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/rshankras/claude-code-apple-skills' "$d" && git -C "$d" checkout --quiet 'f9589828e222113d49c7bff417c33038802856ff' -- 'skills/ios/migration-patterns' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/ios/migration-patterns' ~/.agents/skills/'migration-patterns' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'migration-patterns' ~/.claude/skills/'migration-patterns' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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