Update Swiftui APIs
AvdLee/SwiftUI-Agent-Skill
Scan Apple's SwiftUI documentation for deprecated APIs and update the SwiftUI Expert Skill with modern replacements.
A skill your agent uses when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18.
Install iOS 26 Platform
$ npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install johnrogers/claude-swift-engineering ios-26-platform --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/johnrogers/claude-swift-engineering.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/swift-engineering/skills/ios-26-platform .claude/skills/ios-26-platform && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "ios-26-platform" agent skill from https://github.com/johnrogers/claude-swift-engineering/tree/main/plugins/swift-engineering/skills/ios-26-platform into .claude/skills/ios-26-platform/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "ios-26-platform", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/johnrogers/claude-swift-engineering/tree/main/plugins/swift-engineering/skills/ios-26-platformType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install johnrogers/claude-swift-engineering ios-26-platform --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/johnrogers/claude-swift-engineering.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/swift-engineering/skills/ios-26-platform .agents/skills/ios-26-platform && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "ios-26-platform" agent skill from https://github.com/johnrogers/claude-swift-engineering/tree/main/plugins/swift-engineering/skills/ios-26-platform into .agents/skills/ios-26-platform/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "ios-26-platform", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install johnrogers/claude-swift-engineering ios-26-platform --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/johnrogers/claude-swift-engineering.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/swift-engineering/skills/ios-26-platform .cursor/skills/ios-26-platform && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "ios-26-platform" agent skill from https://github.com/johnrogers/claude-swift-engineering/tree/main/plugins/swift-engineering/skills/ios-26-platform into .cursor/skills/ios-26-platform/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "ios-26-platform", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/johnrogers/claude-swift-engineering.git --path plugins/swift-engineering/skills/ios-26-platform--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install johnrogers/claude-swift-engineering ios-26-platform --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/johnrogers/claude-swift-engineering.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/swift-engineering/skills/ios-26-platform .gemini/skills/ios-26-platform && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "ios-26-platform" agent skill from https://github.com/johnrogers/claude-swift-engineering/tree/main/plugins/swift-engineering/skills/ios-26-platform into .gemini/skills/ios-26-platform/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "ios-26-platform", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install johnrogers/claude-swift-engineering ios-26-platformInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/johnrogers/claude-swift-engineering.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/swift-engineering/skills/ios-26-platform .github/skills/ios-26-platform && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "ios-26-platform" agent skill from https://github.com/johnrogers/claude-swift-engineering/tree/main/plugins/swift-engineering/skills/ios-26-platform into .github/skills/ios-26-platform/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "ios-26-platform", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install johnrogers/claude-swift-engineering ios-26-platform --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/johnrogers/claude-swift-engineering.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/swift-engineering/skills/ios-26-platform .opencode/skills/ios-26-platform && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "ios-26-platform" agent skill from https://github.com/johnrogers/claude-swift-engineering/tree/main/plugins/swift-engineering/skills/ios-26-platform into .opencode/skills/ios-26-platform/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "ios-26-platform", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
ios-26-platform- GitHub stars
- 231
- Token cost
- ~831 tokens
- SKILL.md length
- 391 words
- Files
- 6 (incl. references)
- Skills in repo
- 17
- Repo updated
- First seen
- Licence
- MIT
At a glance
A skill your agent uses when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18.
- Works in 6 steps: Check deployment target — iOS 26+… → Recompile with Xcode 26 — Standard… → Identify navigation layer — Apply glass… → …
- Implementing iOS 26 features (Liquid Glass
- SKILL.md covers Overview, Reference Loading Guide, Core Workflow and Common Mistakes
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
iOS 26 Platform is an agent skill from johnrogers/claude-swift-engineering. Use when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18.
Its SKILL.md is about 830 tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including reference files (for example `references/automatic-adoption.md`, `references/backward-compat.md` and `references/liquid-glass.md`).
It sits in Mobile, covering iOS development. It works with iOS and SwiftUI. The repository describes itself as: A collection of agents and skills to aid in the planning, implementation, documentation and testing of Swift/TCA code. The licence is MIT.
When your agent uses it
- Implementing iOS 26 features (Liquid Glass
- New SwiftUI APIs
- Deploying iOS 26+ apps
- Supporting backward compatibility with iOS 17/18
Example prompts
- “/ios-26-platform”
Workflow steps
6 steps, taken from the first numbered list in SKILL.md.
- Check deployment target — iOS 26+ required for Liquid Glass
- Recompile with Xcode 26 — Standard controls get glass automatically
- Identify navigation layer — Apply glass to tab bars, toolbars, navigation (not content)
- Choose variant — Regular (95% of cases) or Clear (media-rich backgrounds only)
- Add @available guards — For backward compatibility with iOS 17/18
- Test accessibility — Verify Reduce Transparency, Increase Contrast, Reduce Motion
What it can do on your machine
Read from SKILL.md and the folder at commit 1dc2cf4. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
iOS 26 Platform loads about 831 tokens when it runs, and up to ~7.5k if it reads all its reference files. Until then it costs about 46 tokens; SKILL.md has 391 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from johnrogers/claude-swift-engineering at commit 1dc2cf4, republished under its MIT licence (© johnrogers). 391 words, ~831 tokens.
Download SKILL.mdSave it as
.claude/skills/ios-26-platform/SKILL.md (or your agent's skills folder). This skill also uses 5 other files; get the full folder from GitHub.- name
- ios-26-platform
- description
- Use when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18.
iOS 26 Platform
iOS 26 introduces Liquid Glass, Apple's next-generation material design system that dynamically bends light, moves organically, and adapts automatically across all platforms.
Overview
iOS 26 modernizes UI with new materials (Liquid Glass), SwiftUI APIs (WebView, Chart3D, @Animatable), and advanced features (@BackoffAnimation, free-form windows). The core principle: modern UI gets updated automatically at compile time; most Liquid Glass benefits are "free" from recompiling with Xcode 26.
Reference Loading Guide
ALWAYS load reference files if there is even a small chance the content may be required. It's better to have the context than to miss a pattern or make a mistake.
| Reference | Load When |
|---|---|
| Liquid Glass | Implementing glass effects, choosing Regular vs Clear variants, or understanding visual properties |
| Automatic Adoption | Understanding what iOS 26 changes automatically vs what requires code |
| SwiftUI APIs | Using WebView, Chart3D, @Animatable, AttributedString, or new view modifiers |
| Toolbar & Navigation | Customizing toolbars with spacers, morphing, glass button styles, or search |
| Backward Compatibility | Supporting iOS 17/18 alongside iOS 26, or using UIDesignRequiresCompatibility |
Core Workflow
- Check deployment target — iOS 26+ required for Liquid Glass
- Recompile with Xcode 26 — Standard controls get glass automatically
- Identify navigation layer — Apply glass to tab bars, toolbars, navigation (not content)
- Choose variant — Regular (95% of cases) or Clear (media-rich backgrounds only)
- Add @available guards — For backward compatibility with iOS 17/18
- Test accessibility — Verify Reduce Transparency, Increase Contrast, Reduce Motion
Show full SKILL.md (159 more words)Show less
Common Mistakes
Ignoring backward compatibility — Targeting iOS 26+ without
@availableguards breaks iOS 17/18 support. Always useif #available(iOS 26, *)for Liquid Glass or new APIs.Over-using glass effect — Applying glass to content areas, not just navigation, creates visual noise. Glass works for: tab bars, toolbars, sheets, navigation. NOT for content areas.
Animation performance issues — Liquid Glass animations can be expensive. Respect Reduce Motion accessibility setting and profile with Instruments 26 before shipping.
Assuming Clear variant looks good — Clear is for media-rich backgrounds only (photos, video). Regular variant is correct 95% of the time. Only use Clear if you explicitly need the ultra-transparency.
Not testing on actual devices — Simulator rendering differs from hardware. Test glass effects on iPhone 15 Pro, iPad, and Mac to verify visual quality.
Using old UIView patterns with new glass — Mixing UIView-based navigation with iOS 26 glass creates inconsistent appearances. Migrate fully to SwiftUI or wrap carefully with UIViewRepresentable.
© johnrogers, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 5 other files (references) in plugins/swift-engineering/skills/ios-26-platform of johnrogers/claude-swift-engineering.
- SKILL.md
- references/automatic-adoption.md
- references/backward-compat.md
- references/liquid-glass.md
- references/swiftui-apis.md
- references/toolbar-navigation.md
Open the folder on GitHubat commit 1dc2cf4
Compare with similar skills
iOS 26 Platform next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| iOS 26 Platform this skilljohnrogers/claude-swift-engineering | 231 | — | ~831 | Automated safety check: Pass | MIT | |
| Update Swiftui APIsAvdLee/SwiftUI-Agent-Skill | 3.7k | — | ~1.2k | Automated safety check: Pass | MIT | |
| Swiftui Liquid Glassharperreed/dotfiles | 334 | 8 repos | ~941 | Automated safety check: Pass | None | |
| Swiftui Expert Skillomarshahine/HomeClaw | 176 | 4 repos | ~2.8k | Automated safety check: Pass | MIT | |
| Hig Project Contextraintree-technology/hig-doctor | 143 | 5 repos | ~1.2k | Automated safety check: Pass | MIT | |
| Liquid Glass DesignAstraFoundry/KumoApp | 290 | 5 repos | ~2.3k | Automated safety check: Pass | AGPL-3.0 |
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Live-Device iOS QA
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Tests a SwiftUI app on a real iPhone connected by USB, reading the Swift source and then looping through screenshot, analysis and action to find bugs.
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Categories
Questions about iOS 26 Platform
What does iOS 26 Platform do?
A skill your agent uses when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18. iOS 26 Platform is an agent skill from johnrogers/claude-swift-engineering. Use when implementing iOS 26 features (Liquid Glass, new SwiftUI APIs, WebView, Chart3D), deploying iOS 26+ apps, or supporting backward compatibility with iOS 17/18.
When should I use iOS 26 Platform?
iOS 26 Platform fits situations like: implementing iOS 26 features (Liquid Glass; new SwiftUI APIs; deploying iOS 26+ apps; supporting backward compatibility with iOS 17/18.
How do I install iOS 26 Platform in Claude Code?
Run `npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a claude-code`. Or copy the skill folder (plugins/swift-engineering/skills/ios-26-platform in johnrogers/claude-swift-engineering) into .claude/skills/ios-26-platform in your project. Claude Code loads it when a task matches its description.
How do I install iOS 26 Platform in Codex?
Run `npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a codex`. Or copy the skill folder (plugins/swift-engineering/skills/ios-26-platform in johnrogers/claude-swift-engineering) into .agents/skills/ios-26-platform in your project. Codex loads it when a task matches its description.
Can I use iOS 26 Platform in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add johnrogers/claude-swift-engineering --skill ios-26-platform -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ios-26-platform, .gemini/skills/ios-26-platform, .github/skills/ios-26-platform and .opencode/skills/ios-26-platform in your project.
What does iOS 26 Platform need to run?
SKILL.md names no scripts, command-line tools or credentials: iOS 26 Platform is instructions for the agent only.
Does iOS 26 Platform access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is iOS 26 Platform safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does iOS 26 Platform use?
iOS 26 Platform is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does iOS 26 Platform use?
About 831 tokens (SKILL.md is roughly 3.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 6.7k tokens, read only when the agent opens those files.
What are the alternatives to iOS 26 Platform?
Skills that share tags, products or a category with iOS 26 Platform: Update Swiftui APIs (AvdLee/SwiftUI-Agent-Skill, 3.7k stars), Swiftui Liquid Glass (harperreed/dotfiles, 334 stars), Swiftui Expert Skill (omarshahine/HomeClaw, 176 stars) and Hig Project Context (raintree-technology/hig-doctor, 143 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains iOS 26 Platform?
johnrogers (a GitHub user) maintains it in johnrogers/claude-swift-engineering, which has 231 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on January 18, 2026.
Source: johnrogers/claude-swift-engineering on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.