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 instructions/zinxj/uikit-expert-skill/agents-mdgit clone --depth 1 https://github.com/zinxj/uikit-expert-skillWhat 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 | $0.01384 | $0.01384 |
| Opus 5 | $0.00692 | $0.00692 |
| Sonnet 5 | $0.00277 | $0.00277 |
| Haiku 4.5 | $0.00138 | $0.00138 |
Grade A, and why
uikit-expert-skill AGENTS.md 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.
This is a copy
100% identical to uikit-expert-skill AGENTS.md — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 151 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Agent Guidelines for UIKit Expert Skill
This document provides guidance for AI agents working with this skill to ensure consistency and avoid common pitfalls.
Core Principles
1. UIKit Focus Only
This is a UIKit skill. Do not include:
- SwiftUI-only patterns (except when bridging is necessary)
- General Swift language features unrelated to UIKit
- Backend or server-side Swift patterns
- Objective-C patterns (use Swift equivalents)
2. No Code Formatting or Linting
Do not include formatting/linting rules. Avoid:
- Property ordering requirements
- Code organization mandates
- Whitespace or indentation rules
- Naming convention enforcement
- File structure requirements
Exception: Mention organization patterns as optional suggestions for readability, never as requirements.
3. No Architectural Opinions
Stick to facts, not architectures. Avoid:
- Enforcing MVVM, MVC, VIPER, or any specific architecture
- Mandating view model patterns
- Requiring specific folder structures
- Dictating dependency injection patterns
- Prescribing coordinator/router patterns
Exception: Suggest separating business logic for testability without enforcing how.
4. No Tool-Specific Instructions in Agent Output
Agents cannot use external tools. When responding to users, do not reproduce:
- Xcode Instruments profiling step-by-step instructions
- Debugging tool walkthroughs
- IDE-specific feature instructions
- Command-line tool usage beyond basic git
Reference files may contain detailed tool walkthroughs (Instruments, Memory Graph Debugger, LLDB) as developer documentation. Do not reproduce these step-by-step instructions in your responses. Instead, briefly mention that the user can use the relevant tool (e.g., "consider profiling with Instruments" or "use the Memory Graph Debugger to investigate retain cycles").
Content Guidelines
Suggestions vs Requirements
Use "suggest" or "consider" for optional optimizations:
- ✅ "Consider downsampling images when loading from disk"
- ✅ "Consider using
UIViewPropertyAnimatorfor gesture-driven animations" - ❌ "Always downsample images"
- ❌ "Always use UIViewPropertyAnimator"
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 · 151 lines · 1,384 tokens per session scan A 6656ca58c947
uikit-expert-skill AGENTS.md is an instructions file published in the GitHub repository zinxj/uikit-expert-skill (4 stars, last pushed 2d ago), licensed MIT. It adds 1,384 tokens to every session, about $0.0069 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to uikit-expert-skill AGENTS.md, differing in 0 lines, and is treated as a copy.
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