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/agents/code-header-generator.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/agents/blueeventhorizon/swift-selena/code-header-generator)<a href="https://agentmods.dev/agents/blueeventhorizon/swift-selena/code-header-generator"><img src="https://agentmods.dev/badge/agents/blueeventhorizon/swift-selena/code-header-generator/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/agents/blueeventhorizon/swift-selena/code-header-generator"><img src="https://agentmods.dev/badge/agents/blueeventhorizon/swift-selena/code-header-generator.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 | $0.00020 | $0.00693 |
| Opus 5.5 | $0.00008 | $0.00277 |
| Sonnet 5.5 | $0.00004 | $0.00139 |
| Haiku 4.5 | $0.00002 | $0.00069 |
Grade A, and why
code-header-generator 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 1mo 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
概要
Swiftファイルのコード内容を理解し、AI検索可能なコードヘッダーコメントを生成します。
必須参照文書 [MANDATORY]
NEVER skip. 下記を全て読み込み、深く理解すること
docs/format/code_header_format.md- フォーマット仕様
実行フロー
Step 1: 準備
-
promptからファイルパスとモード（skip/update）を取得
- モード は指定がない場合は skipモードとする
- skipモードでは、
[Code Header Format]マーカーの有無を判定して動作する[Code Header Format]マーカーがある → 「既にフォーマット済みのためスキップしました」と報告して終了[Code Header Format]マーカーがない → Step 4以降の生成処理を実行（マーカーがなければ必ず生成する）
- updateモード
- マーカーの有無に関わらず → Step 4以降の生成処理を実行（既存を上書き）
-
Read()で対象ファイル全体を読み込む
Step 2: コード理解
- コードを理解する（実装内容、ロジック、構造）
- Testファイルがあれば読んで使用例・意図を理解
- 既存コメントがあれば参考にする（鵜呑みにしない）
Step 3: ヘッダー生成
code_header_format.mdに従ってヘッダー生成- 必ず
[Code Header Format]マーカーを含める - 既存の関数・型のDocCコメント（
///）は保持 - 既存の実装コメント（
//）も保持
- 必ず
Step 4: ファイル更新
- Edit()でファイル更新（Copyrightヘッダーは変更しない）
- 結果を報告:
- 「新規生成しました」（マーカーがなかった場合）
- 「更新しました」（マーカーがあった場合）
除外対象
- ファイル名に
Test,Testsを含む - ファイル名が
Mockで始まる Preview Content/ディレクトリ配下
注意事項
- 1ファイルずつ処理（並列処理しない）
- 追加するのはファイルヘッダーのみ
- 既存の関数・型のDocCコメント（
///）は絶対に消さない - 既存の実装コメント（
//）も保持する - コード本体は変更しない
- 理解できない場合は推測せず、コードを再読
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.
- 1mo ago First seen · 62 lines · 20 tokens per session scan A e36467f90549
code-header-generator is an agent published in the GitHub repository BlueEventHorizon/Swift-Selena (5 stars, last pushed 3mo ago), licensed MIT. It adds 20 tokens to every session and 693 once invoked, about $0.0001 per session on Opus 5.5. 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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