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Core Data expertise for iOS and macOS v1.0.0

Use this resource to set up and debug Core Data in an iOS or macOS application

New

  • 443 downloads
  • 235 likes
  • 129 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install core-data-ios-expert

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent first identifies the context (deployment target, view or background context), then proposes fixes for fetches, saves, Swift concurrency, migrations and CloudKit sync. It relies on a verification checklist. You get fixes that match your iOS or macOS version.

Mostly picked by

Updated November 2, 2026

Card for the “Core Data expertise for iOS and macOS” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: routing of requests and common errors
  • references/migration.md: model migrations
  • references/cloudkit-integration.md: CloudKit sync

Good fit for

  • Your application crashes during a background save
  • You are adding CloudKit sync to an existing model

Not for

    Tags

    • core data
    • ios
    • macos
    • cloudkit

    About

    You say

    “My iOS app crashes when I save from a background task: help me fix the Core Data context.”

    Card for the “Core Data expertise for iOS and macOS” skill

    Skill published by avdlee under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to set up and debug Core Data in an iOS or macOS application
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/_index.md4.1 KB
    • references/batch-operations.md14.9 KB
    • references/cloudkit-integration.md6.5 KB
    • references/concurrency.md13 KB
    • references/fetch-requests.md17.8 KB
    • references/glossary.md5.8 KB
    • references/migration.md11 KB
    • references/model-configuration.md14.8 KB
    • references/performance.md6.5 KB
    • references/persistent-history.md17.6 KB
    • references/project-audit.md2.2 KB
    • references/saving.md14.2 KB
    • references/stack-setup.md18.1 KB
    • references/testing.md8.1 KB
    • references/threading.md14.6 KB
    • SKILL.md4.9 KB

    Origin and licence

    Listed unmodified

    Author
    avdlee
    Source
    github.com/avdlee/core-data-agent-skill/tree/855ca7d0df50e82b00c12881dd9cd23c19ef5f49/core-data-expert
    Licence
    MIT

    Notice

    « core-data-expert » (avdlee, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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