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axiom-swiftdata

Solve SwiftData persistence and CloudKit synchronization for SwiftUI apps.

1|Updated Feb 8, 2026
Search Tags:#queries#concurrency#persistence#swiftui#relationships#swiftdata#cloudkit
One-click install
npx skills add https://github.com/foxtrottwist/ClaudeAgentConfig --skill axiom-swiftdata-foxtrottwist
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: axiom-swiftdata
Source: https://github.com/foxtrottwist/ClaudeAgentConfig/tree/main/xcode-agent/skills/axiom-swiftdata
Command: npx skills add https://github.com/foxtrottwist/ClaudeAgentConfig --skill axiom-swiftdata-foxtrottwist

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

SwiftData enables native persistence in SwiftUI apps with declarative models and seamless CloudKit synchronization, reducing boilerplate and keeping UI in sync with data.

Core Features & Use Cases

  • Declarative @Model and @Query-based data access for reactive UI
  • CloudKit integration with iOS 26+ constraints and relationship handling
  • Migration guidance and concurrency patterns (Swift 6, @MainActor)

Quick Start

Create a SwiftUI app that defines a SwiftData model with @Model and uses @Query to display a live list, while enabling CloudKit sync.

Frequently Asked Questions about axiom-swiftdata

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up SwiftData persistence in a SwiftUI app?▼

Set up SwiftData persistence by defining declarative @Model classes and using @Query to display live data lists in SwiftUI. This reduces boilerplate and keeps your UI in sync with the database.

Does SwiftData work with CloudKit for iOS sync?▼

Yes, SwiftData works with CloudKit to enable seamless cloud synchronization. You must handle CloudKit integration constraints and relationship limitations for iOS 26+ apps to maintain sync reliability.

How do I manage concurrency in SwiftData with Swift 6?▼

Manage SwiftData concurrency using Swift 6 patterns and @MainActor. This ensures safe data access across threads, maintaining reactive data layers without violating strict concurrency rules.

What are the limitations of SwiftData relationships with CloudKit?▼

SwiftData relationships with CloudKit have specific constraints regarding relationship handling and CloudKit limitations. You must apply these constraints during model definitions to avoid sync failures across iOS 26+ apps.

When do I need to use SwiftData migration?▼

You need SwiftData migration when modifying persistent @Model definitions in updated apps. Migration guidance ensures existing data transitions smoothly to new schemas while maintaining reactive UI continuity.

Can I use @Query to display live data in SwiftUI views?▼

You can use @Query to display live data in SwiftUI views by declaratively fetching @Model objects. This creates a reactive data layer that automatically updates the UI when underlying data changes.

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