swiftdata-migration

Automate SwiftData schema updates and data migration for iOS apps.

Updated May 12, 2026
One-click install
npx skills add https://github.com/dolquis/Calender_Aralrm --skill swiftdata-migration-dolquis
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: swiftdata-migration
Source: https://github.com/dolquis/Calender_Aralrm/tree/main/.agents/skills/swiftdata-migration
Command: npx skills add https://github.com/dolquis/Calender_Aralrm --skill swiftdata-migration-dolquis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires SwiftData, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps in managing and automating the migration process when you make changes to SwiftData models, ensuring data integrity and seamless updates for your app's data storage.

Core Features & Use Cases

  • Automated Migration: Handle schema changes, property modifications, and model deletions with minimal manual intervention.
  • Data Integrity: Safeguard your existing user data through migration, ensuring it remains consistent and usable.
  • Widget Support: Ensure that any changes in models do not break the widget's functionality by maintaining the shared SwiftData store.
  • Use Case: When you need to add a new property to a SwiftData model and want to ensure that existing data is correctly migrated and that your app's widget continues to work without issues.

Quick Start

Use the swiftdata-migration skill to automatically update the schema for Sources/Domain/Models/ when adding a new property to your model.

Frequently Asked Questions about swiftdata-migration

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

FAQPage Schema
How do I migrate SwiftData models when adding new properties in iOS?

To migrate SwiftData models when adding new properties in iOS, you automate schema updates for your domain models. This ensures existing user data remains consistent and usable throughout the migration process.

What is the best way to handle SwiftData schema changes without breaking widgets?

Handling SwiftData schema changes without breaking widgets requires maintaining the shared App Group storage. Automated migration safeguards the shared SwiftData store so widget functionality continues seamlessly after model modifications.

Does SwiftData migration support App Group shared storage?

Yes, SwiftData migration supports App Group shared storage. The automated migration process specifically requires App Group shared storage to ensure schema changes do not break widget functionality across your iOS application.

How do I automate SwiftData migration for property deletions and relationship modifications?

You automate SwiftData migration for property deletions and relationship modifications by updating the schema for your domain models. This handles model deletions and relationship changes while safeguarding existing data integrity.

When do I need to run a SwiftData migration for my iOS app?

You need to run a SwiftData migration when you make changes to SwiftData models, such as adding or deleting properties, or modifying relationships. This ensures data integrity and seamless updates for your app's storage.

Why does my iOS widget stop working after a SwiftData schema change?

Your iOS widget stops working after a SwiftData schema change because the shared App Group storage is not properly migrated. Automating the migration process maintains the shared SwiftData store to prevent widget functionality breaks.