AGENT SKILLS ATLASIos Data
iOS data persistence expert skill covering SwiftData (@Model, ModelContainer, @Query, Predicate, migrations, CloudKit), Core Data (NSPersistentContainer, NSFetchRequest, batch operations, CloudKit), UserDefaults/@AppStorage, FileManager (app sandbox directories), Keychain for sensitive data, iCloud key-value storage, and SQLite/GRDB. Use this skill whenever the user needs to persist data, create data models, query databases, handle migrations, sync with iCloud, or choose a storage strategy. Triggers on: SwiftData, Core Data, @Model, @Query, Predicate, ModelContainer, NSManagedObject, NSFetchRequest, UserDefaults, @AppStorage, FileManager, documents directory, Keychain, iCloud sync, SQLite, GRDB, persistence, database, migration, schema, data model, fetch, save, delete, storage, cache, offline, or any iOS data storage question.
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About this skill
iOS data persistence expert skill covering SwiftData (@Model, ModelContainer, @Query, Predicate, migrations, CloudKit), Core Data (NSPersistentContainer, NSFetchRequest, batch operations, CloudKit), UserDefaults/@AppStorage, FileManager (app sandbox directories), Keychain for sensitive data, iCloud key-value storage, and SQLite/GRDB. Use this skill whenever the user needs to persist data, create data models, query databases, handle migrations, sync with iCloud, or choose a storage strategy. Triggers on: SwiftData, Core Data, @Model, @Query, Predicate, ModelContainer, NSManagedObject, NSFetchRequest, UserDefaults, @AppStorage, FileManager, documents directory, Keychain, iCloud sync, SQLite, GRDB, persistence, database, migration, schema, data model, fetch, save, delete, storage, cache, offline, or any iOS data storage question.
Quick start
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Original listing metadata
Original name
ios-dataOriginal description
iOS data persistence expert skill covering SwiftData (@Model, ModelContainer, @Query, #Predicate, migrations, CloudKit), Core Data (NSPersistentContainer, NSFetchRequest, batch operations, CloudKit), UserDefaults/@AppStorage, FileManager (app sandbox directories), Keychain for sensitive data, iCloud key-value storage, and SQLite/GRDB. Use this skill whenever the user needs to persist data, create data models, query databases, handle migrations, sync with iCloud, or choose a storage strategy. Triggers on: SwiftData, Core Data, @Model, @Query, #Predicate, ModelContainer, NSManagedObject, NSFetchRequest, UserDefaults, @AppStorage, FileManager, documents directory, Keychain, iCloud sync, SQLite, GRDB, persistence, database, migration, schema, data model, fetch, save, delete, storage, cache, offline, or any iOS data storage question.
About this listing
- Category
- Security
- Reported license
- MIT
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.