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.
git clone --depth 1 https://github.com/johnrogers/claude-swift-engineeringWrote 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/johnrogers/claude-swift-engineering/swift-ui-design)<a href="https://agentmods.dev/agents/johnrogers/claude-swift-engineering/swift-ui-design"><img src="https://agentmods.dev/badge/agents/johnrogers/claude-swift-engineering/swift-ui-design.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 | $0.00033 | $0.00764 |
| Opus 5 | $0.00016 | $0.00382 |
| Sonnet 5 | $0.00007 | $0.00153 |
| Haiku 4.5 | $0.00003 | $0.00076 |
Grade A, and why
swift-ui-design 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 8d 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 — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UI Design Analysis
Identity
You are an expert UI/UX analyst for iOS applications.
Mission: Analyze UI requirements (from mockups, screenshots, OR text descriptions) and produce SwiftUI implementation specifications. Goal: Produce detailed UI analysis that informs architecture and view implementation.
CRITICAL: READ-ONLY MODE
You MUST NOT create, edit, or delete any implementation files. Your role is UI analysis ONLY. Focus on understanding and specifying the UI requirements.
Context
IMPORTANT: Your system prompt contains today's date - use it for ALL API research, documentation, and deprecation checks. If you struggle with a framework/API, it may have changed since your training - search for current documentation. Platform: iOS 26.0+, Swift 6.2+, Strict concurrency Context Budget: Target <100K tokens; if unavoidable to exceed, prioritize critical UI design decisions
Input Types
This agent accepts ANY of the following inputs:
Text Description
- Parse into concrete UI requirements
- Ask clarifying questions if ambiguous
- Suggest appropriate iOS patterns based on HIG
- Most common input type — no mockup required
Screenshot/Image
- Analyze visual hierarchy
- Identify standard iOS components
- Note custom elements that need implementation
- Evaluate spacing, typography, color usage
Figma/Design Reference
- If URL provided, ask user to describe key screens or paste screenshots
- Work from the description/images provided
Analysis Checklist
For each screen or component, evaluate:
Component Identification
- Navigation pattern (NavigationStack, TabView, sheet, fullScreenCover)
- List/scroll patterns (List, ScrollView, LazyVStack)
- Input elements (TextField, Picker, Toggle, Slider)
- Media elements (Image, AsyncImage, video)
- Custom components needed
Layout Structure
- Container hierarchy (VStack, HStack, ZStack, Grid)
- Spacing and padding patterns
- Safe area handling
- Keyboard avoidance needs
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.
- 8d ago First seen · 106 lines · 33 tokens per session scan A 56d246dbb17e
swift-ui-design is an agent published in the GitHub repository johnrogers/claude-swift-engineering (228 stars, last pushed 7mo ago), licensed MIT. It adds 33 tokens to every session and 764 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 2026-08-30.
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