Model SwiftData persistence with @Model, @Query, and CloudKit sync.
npx skills add https://github.com/CharlesWiltgen/Axiom --skill swiftdata
Please help me install this Agent Skill. Skill: swiftdata Source: https://github.com/CharlesWiltgen/Axiom/tree/main/.claude-plugin/plugins/axiom/skills/swiftdata Command: npx skills add https://github.com/CharlesWiltgen/Axiom --skill swiftdata
Apple's native persistence framework with @Model, @Query, and CloudKit sync; designed for SwiftUI with reference-type models.
Define a @Model class, use @Query to fetch in a SwiftUI view, and enable CloudKit sync.
High-intent search queries and answers about installing and using this skill.
SwiftData provides native persistence for SwiftUI apps using @Model classes and @Query for reactive data fetching. Define a @Model class, use @Query in your SwiftUI view to fetch data declaratively, and SwiftData automatically handles CRUD operations and UI updates without manual state management.
Yes, SwiftData supports CloudKit sync for reference-type models. Enable CloudKit in your app configuration, define relationships with @Relationship, and SwiftData handles synchronization across devices while maintaining concurrency safety with Swift 6 and @MainActor.
Use @Relationship to define reference-type relationships between @Model classes. SwiftData manages the connections, handles cascade behavior, and maintains data consistency across related objects in your queries and CloudKit sync.
SwiftData provides migration facilitation tools to manage schema evolution. Plan migrations by versioning your @Model definitions, updating @Attribute properties and relationships, and SwiftData handles the data transformation across app versions.
SwiftData integrates with Swift 6 modern concurrency and @MainActor for thread-safe operations. Use @Query on the main thread for reactive updates, and SwiftData ensures your data access patterns comply with Swift's concurrency model automatically.
Yes, use @Attribute with unique key configuration in your @Model definitions to enforce uniqueness constraints. SwiftData validates these constraints during CRUD operations and CloudKit sync, preventing duplicate data.
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