SwiftData

SwiftData is an AI Engineering skill for Claude Code, published by rshankras in claude-code-apple-skills.

659 stars60 forkson rshankras/claude-code-apple-skillsAdded 2026/08/24+3% in starsRepository updated 2026/07/24

agent-skillsai-toolsanthropicapp-storeappleasoclaudeclaude-codecode-generationdeveloper-toolsindie-developeriosipadosmacosswiftswiftuivisionoswatchosxcode

Install in seconds

Install SwiftData

Copy SwiftData into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/rshankras/claude-code-apple-skills/tree/main/skills/swiftdata ~/.claude/skills/swiftdata

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/rshankras/claude-code-apple-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/swiftdata/SKILL.md in rshankras/claude-code-apple-skills
Installs to: ~/.claude/skills/swiftdata
Collection: One of 25 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What SwiftData does

SwiftData covers class inheritance patterns for hierarchical models, type-based querying, polymorphic relationships, and inheritance-vs-enum decisions. Use it when designing SwiftData model hierarchies.

SwiftData is cataloged under AI Engineering on DirSkills. SwiftData comes from a repository tagged agent-skills, ai-tools, anthropic, app-store and apple.

Documentation

README

Excerpt

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

This is the opening of the README. Read the full README on GitHub.

Frequently asked about SwiftData

What else does rshankras publish alongside SwiftData?
SwiftData is one of 25 skills that DirSkills catalogs from rshankras/claude-code-apple-skills, the repository it ships in. Its siblings there include Ad Attribution, App Description Writer and App Store Optimization. Each one is a separate skill with its own page in this directory, installs the same way SwiftData does, and is maintained by rshankras in that same repository. The rest of the collection is listed on the rshankras/claude-code-apple-skills page.
How does SwiftData compare to other AI Engineering skills?
SwiftData ranks #1853 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of SwiftData against them. Open each page to compare what they document and how they install.