Borrowing it
Nothing to install: this file belongs to BlueEventHorizon/Swift-Selena. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/BlueEventHorizon/Swift-Selena/main/.claude/skills/xcode-build/SKILL.mdgit clone --depth 1 https://github.com/BlueEventHorizon/Swift-SelenaWrote 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/blueeventhorizon/swift-selena/xcode-build)<a href="https://agentmods.dev/skills/blueeventhorizon/swift-selena/xcode-build"><img src="https://agentmods.dev/badge/skills/blueeventhorizon/swift-selena/xcode-build.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 | $0.00067 | $0.00665 |
| Opus 5 | $0.00034 | $0.00332 |
| Sonnet 5 | $0.00013 | $0.00133 |
| Haiku 4.5 | $0.00007 | $0.00067 |
Grade A, and why
xcode-build 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 7d 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.
What it actually says
/xcode:build
Xcodeプロジェクトのフルビルドを実行する。
コマンド構文
/xcode:build [scheme-name]
| 引数 | 内容 |
|---|---|
| scheme-name | スキーム名（省略時は .xcodeproj から自動検出） |
Step 1: プラットフォーム判定 [MANDATORY]
以下の順序でプラットフォームを判定する:
- プロジェクト内の
.xcconfigファイルからSDKROOTを検索:
grep -r "^SDKROOT" . --include="*.xcconfig" | head -5
- 見つかった場合、
SDKROOTの値でプラットフォームを決定:
| SDKROOT | プラットフォーム | destination |
|---|---|---|
iphoneos |
iOS | generic/platform=iOS |
macosx |
macOS | platform=macOS |
.xcconfigが見つからない場合: AskUserQuestion で iOS / macOS を確認SDKROOTが上記以外の値の場合: AskUserQuestion で確認
Step 2: スキーム決定
$ARGUMENTSにスキーム名が指定されていればそのまま使用- 未指定の場合、プロジェクトルートの
.xcodeprojディレクトリ名から推定:
find . -maxdepth 1 -name "*.xcodeproj" -type d | head -1 | xargs -I{} basename {} .xcodeproj
検出できない場合は AskUserQuestion で確認。
Step 3: ビルド実行
ビルドスクリプトを実行する。タイムアウトは 300000ms（5分）を設定すること。
${CLAUDE_PLUGIN_ROOT}/skills/build/scripts/build.sh "{SCHEME}" "{DESTINATION}"
{SCHEME}: Step 2 で決定したスキーム名{DESTINATION}: Step 1 で決定した destination
Step 4: 結果報告
- ビルド成功: 成功を簡潔に報告
- ビルド失敗: スクリプト出力のエラー内容を分析し、修正案を提示
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 7d ago First seen · 79 lines · 67 tokens per session scan A 57fe7e2add96
xcode-build is a skill published in the GitHub repository BlueEventHorizon/Swift-Selena (5 stars, last pushed 1mo ago), licensed MIT. It adds 67 tokens to every session and 665 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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