Curated notes and guidance for Xcode 26 era Apple framework updates.

Install OpenSkills:

npm i -g openskills

cd into your project directory.

Install this skill:

openskills install harryworld/Xcode26-Agent-Skills

or install this skill globally:

openskills install -g -u harryworld/Xcode26-Agent-Skills

Sync into your AGENTS.md:

openskills sync

Use the skill in your AI agent, for example:

Use the xcode-26 skill and summarize Liquid Glass updates across SwiftUI and UIKit.

This skill was validated against Apple's hidden Xcode AI documentation bundled in the Xcode app Contents folder. Special thanks to Rudrank Riyam for documenting these hidden markdown files in his video Exploring AI Driven Coding: Hidden Xcode AI Documentation, which helped identify version corrections for:

• AlarmKit: Corrected from iOS 18 to iOS 26
• Liquid Glass: Added missing iOS 26 version references across SwiftUI, UIKit, AppKit, and WidgetKit docs
• Foundation Models: Fixed deprecated temperature 2.0 setting (now 0.7)

The following corrections have been applied to ensure accuracy:

Clone this repository.

Install or symlink the xcode-26/ folder following your tool’s official skills installation docs.

Use your AI tool as usual and ask it to use the “xcode-26” skill for Xcode 26 tasks.