About this skill
Comprehensive guide for Apple-platform data persistence: SwiftData, Core Data, CloudKit, UserDefaults, FileManager, and Keychain with migrations, sync patterns, and security. Use when: building iOS/macOS apps with local or cloud-synced data, schema design, data migration planning, SwiftData vs Core Data decisions, CloudKit sync implementation, offline-first architectures, or troubleshooting persistence issues.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.
0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1
Content SHA-256: e85798cb917641ed8bf02e8ce40c164697cbaaecb845fbdcb1c686d867a8aae5
About this listing
- Category
- Security
- Reported license
- Not specified
- 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.