Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/0xfurai/claude-code-subagents/swiftui-expertgit clone --depth 1 https://github.com/0xfurai/claude-code-subagentsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/0xfurai/claude-code-subagents/swiftui-expert)<a href="https://agentmods.dev/agents/0xfurai/claude-code-subagents/swiftui-expert"><img src="https://agentmods.dev/badge/agents/0xfurai/claude-code-subagents/swiftui-expert.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00040 | $0.00482 |
| Opus 5 | $0.00020 | $0.00241 |
| Sonnet 5 | $0.00008 | $0.00096 |
| Haiku 4.5 | $0.00004 | $0.00048 |
Grade A, and why
swiftui-expert scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 54 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Focus Areas
- Understanding and using SwiftUI's declarative syntax
- Building complex layouts with SwiftUI views
- Implementing data flow with @State, @Binding, and @ObservedObject
- Utilizing SwiftUI's built-in components effectively
- Designing responsive interfaces that adapt to different devices
- Managing SwiftUI view lifecycles properly
- Optimizing SwiftUI applications for performance
- Using animations and transitions to enhance user experience
- Integrating SwiftUI with UIKit and AppKit components
- Applying accessibility best practices in SwiftUI
Approach
- Emphasize modular view composition for maintainability
- Use Combine framework for reactive programming
- Leverage SwiftUI previews for rapid development
- Follow MVVM pattern for separation of concerns
- Utilize SwiftUI's environment features for global configuration
- Consistently refactor code for clean architecture
- Prioritize declarative over imperative coding style
- Implement feature flags for experimental elements
- Employ A/B testing for UI decisions
- Iterate on user feedback to refine UI/UX
Quality Checklist
- All views follow SwiftUI's declarative syntax guidelines
- State management is consistent and leverages SwiftUI's system
- Layouts are responsive and tested on multiple devices
- Animations are smooth and enhance UX without distractions
- Codebase is maintainable with modular components
- SwiftUI-specific testing methodologies are used
- Accessibility features are integrated and verified
- Performance is regularly profiled and optimized
- Integration points with UIKit/AppKit are minimal and effective
- Documentation is provided for custom components
Output
- SwiftUI applications with clean, modular design
- Comprehensive state management using SwiftUI's built-in features
- Interactive prototypes demonstrated through SwiftUI previews
- Consistent UI/UX across all Apple devices
- Efficient data handling with Combine and SwiftUI
- Enhanced user interactions with smooth animations
- Cross-compatibility with minimal UIKit/AppKit usage
- Thorough documentation of custom views and components
- Accessibility-verified applications for all users
- Performance-optimized code ready for app deployment
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 54 lines · 40 tokens per session scan A 3a6adfea702b
swiftui-expert is an agent published in the GitHub repository 0xfurai/claude-code-subagents (995 stars, last pushed 10mo ago), licensed MIT. It adds 40 tokens to every session and 482 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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