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This skill walks through a structured review process for SwiftData code: core rules, predicate safety, CloudKit constraints, indexing for iOS 18+, and class inheritance for iOS 26+. For each issue it reports the file, line, rule violated, and a before/after fix, then ends with a prioritized summary. It helps SwiftData developers and Apple platform engineers catch patterns that crash at runtime—like isEmpty in predicates or @Query outside SwiftUI views—before merging.
WHO IT'S FOR
Apple SwiftData Developers
write and review SwiftData code
AI-Assisted Development Teams
integrate SwiftData coding standards into AI workflows
Apple Platform Code Reviewers
review SwiftData code for issues
Technical Leads on Apple Projects
establish SwiftData coding standards and conventions
Compatible AgentsThe repository documents support for these agents. The skills may also work with other agents that can load SKILL.md files, but they may need some setup or small changes.