Install Swiftdata
Pick your agent. Every command is ready to paste.
npx skills add rshankras/claude-code-apple-skills --skill swiftdataThe open skills CLI detects your agents (Claude Code, Cursor, Codex and 70+ more) and installs to the right folder. Add -g to install globally.
01
Install it
Run the command above, or upload the folder in Claude.
02
Ask naturally
Describe the task. Your agent loads swiftdata when the request matches its description.
03
Name it if needed
If it does not trigger, say “use the swiftdata skill”. In Codex, type $swiftdata.
SwiftData Skills
SwiftData modeling patterns beyond the basics.
When This Skill Activates
Use this skill when the user:
- Designs hierarchical SwiftData models (class inheritance)
- Needs type-based or polymorphic queries
- Weighs inheritance vs enum for model variants
Available Skills
Paths are relative to THIS file's directory — skills run with cwd set to the user's project, so resolve each path from this SKILL.md's own location.
| Skill | Read | Covers |
|---|---|---|
| inheritance | inheritance/SKILL.md |
Class inheritance, polymorphic relationships, type-based querying, inheritance-vs-enum |
How to Route
- Read
inheritance/SKILL.md(relative to this file) plus any reference files it lists. - Apply the guidance to the user's code. For broader macOS SwiftData architecture, see also
../macos/swiftdata-architecture/SKILL.md.
Tips for Swiftdata
- • Start a fresh session after installing so your agent picks up the new skill.
- • It is part of a pack with 30 skills. Install only the ones you need with --skill to keep triggers precise.
- • If two skills overlap, mention the one you want by name.
Questions about Swiftdata
What does the Swiftdata skill do?
SwiftData skills — class inheritance patterns for hierarchical models, type-based querying, polymorphic relationships, and inheritance-vs-enum decisions. Use when designing SwiftData model hierarchies.
How do I install Swiftdata?
Run "npx skills add rshankras/claude-code-apple-skills --skill swiftdata" in your project. The skills CLI installs it for Claude Code, Cursor, Codex and 70+ other agents. In Claude on the web, upload the skill folder as a ZIP under Customize > Skills.
Does Swiftdata work in Cursor and Codex?
Yes. Swiftdata uses the open SKILL.md format, so it works in Claude Code, Claude, Cursor, OpenAI Codex, Gemini CLI, GitHub Copilot and other agents that support agent skills.
Is Swiftdata free?
Swiftdata is open source on GitHub under the MIT license. It is free to install; check the license before commercial use.
Who made Swiftdata?
Swiftdata is published by rshankras in the rshankras/claude-code-apple-skills repository, together with 29 other skills.

