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 skills add mythkiven/figma-ios-codegen --skill figma-ios-snapkit-layoutgit clone --depth 1 https://github.com/mythkiven/figma-ios-codegenWrote 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/skills/mythkiven/figma-ios-codegen/figma-ios-snapkit-layout)<a href="https://agentmods.dev/skills/mythkiven/figma-ios-codegen/figma-ios-snapkit-layout"><img src="https://agentmods.dev/badge/skills/mythkiven/figma-ios-codegen/figma-ios-snapkit-layout/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/mythkiven/figma-ios-codegen/figma-ios-snapkit-layout"><img src="https://agentmods.dev/badge/skills/mythkiven/figma-ios-codegen/figma-ios-snapkit-layout.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00069 | $0.03777 |
| Opus 5 | $0.00034 | $0.01888 |
| Sonnet 5 | $0.00014 | $0.00755 |
| Haiku 4.5 | $0.00007 | $0.00378 |
Grade A, and why
figma-ios-snapkit-layout 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 9d 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 — 327 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Figma → iOS：相对布局与 SnapKit
职责边界（与 figma-ios-hierarchy-preservation 的分工）
- 本 Skill 负责：约束写法（SnapKit 语法、相对 vs 绝对选择、offset 值如何从 Figma 数值得出、Safe Area 处理）。
- 不负责：层级映射（哪些 Figma 节点对应哪些 UIView、addSubview 顺序）→ 见 figma-ios-hierarchy-preservation。
- 不负责：颜色/字体 token → 见 figma-ios-design-token-mapping。
- 不负责：iOS 最低版本 API 限制 → 见 figma-ios-minimum-deployment-12。
- 不负责：节点跳过规则 → 见 figma-ios-to-code-conventions。
核心原则
- 尽量避免「纯绝对布局」：不要用 Figma 的
absoluteBoundingBox直接换算成view.frame = CGRect(...)/ 在layoutSubviews里手写整套 frame 作为唯一布局手段（除非用户明确要求或极少数动态几何场景）。 - 优先相对关系：视图相对 父视图（边距、对齐）、相对 兄弟视图（间距、基线、等高），保证旋转、Dynamic Type、不同屏宽时仍可维护。
- 约束用 SnapKit 表达：新建/维护 UIKit 布局时，默认使用 SnapKit（
import SnapKit），与项目内已有用法保持一致。 - 必须使用 Figma 节点的精确尺寸（重要）：当 Figma 节点有明确的 width/height 时，代码中必须使用该精确值，而不是估算值或填满父容器。
Figma 数值怎么落到「相对」
| 稿里的含义 | 相对布局做法 |
|---|---|
| 相对画板/Frame 的 x、y、宽、高 | 转为对 superview 的 leading/trailing/top/bottom 或 width/height，必要时加 offset（对应稿中边距）。 |
| 两控件间距 | make.leading.equalTo(other.snp.trailing).offset(8) 一类，而不是两个绝对 frame 相减。 |
| 水平/垂直居中 | centerX / centerY / center 相对父或相对某兄弟。 |
| 贴安全区 | 对 safeAreaLayoutGuide.snp.* 或 view.safeAreaLayoutGuide 约束（SnapKit 项目常用 snp.safeArea 等，按宿主工程惯例）。 |
| 固定小图标尺寸 | 可用 固定宽高约束（仍是约束，不是运行时算 frame）；资源本身尺寸与稿一致即可。 |
| Figma 节点有明确 width/height | 必须使用精确值：make.width.equalTo(298) / make.height.equalTo(100)，禁止使用 equalToSuperview() 除非节点确实占满父容器。 |
| 子节点在稿里有明确 x（相对父 Frame） | 用 make.leading.equalToSuperview().offset(node.frame.relative.x)（或相对兄弟锚点），禁止用 make.centerX.equalToSuperview().multipliedBy(0.xx) 等魔法比例「估位置」。数据直接读 design.json[node].frame.relative.x，跳过包装层时改用 frame.absolute.x − 保留祖先.frame.absolute.x。 |
❌ 常见错误：不使用精确尺寸
问题：
// ❌ 错误：备注框占满整个宽度
remarkBackgroundView.snp.makeConstraints { make in
make.leading.trailing.equalToSuperview() // 宽度 = 父容器宽度（错误）
make.height.greaterThanOrEqualTo(100) // 高度估算（错误）
}
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.
- 9d ago First seen · 327 lines · 69 tokens per session scan A c77fb60c4d6b
figma-ios-snapkit-layout is a skill published in the GitHub repository mythkiven/figma-ios-codegen (9 stars, last pushed 1mo ago), licensed MIT. It adds 69 tokens to every session and 3,777 once invoked, about $0.0003 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 2026-08-31.
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