Swiftdata

robbyt/swiftdata

> This skill should be used when working with SwiftData — @Model definitions, @Query, @Relationship, ModelContext, ModelContainer, schema migration, Swift 6 concurrency, performance optimization, or "predicate problems", "background context patterns", "N+1 queries", "SwiftData vs SQLiteData vs GRDB", "CloudKit sync with SwiftData", "SwiftData migration fails", or "SwiftData migration diagnostics". Covers auditing existing code, writing new SwiftData code, migration debugging, and architecture review.

16k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/robbyt/claude-skills --skill swiftdata

How to use it

Copy the folder

Take robbyt/swiftdata from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.