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 eaglesakura/agent-skills --skill flutter-layered-architecture-screen-navigationgit clone --depth 1 https://github.com/eaglesakura/agent-skillsWrote 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/eaglesakura/agent-skills/flutter-layered-architecture-screen-navigation)<a href="https://agentmods.dev/skills/eaglesakura/agent-skills/flutter-layered-architecture-screen-navigation"><img src="https://agentmods.dev/badge/skills/eaglesakura/agent-skills/flutter-layered-architecture-screen-navigation/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/eaglesakura/agent-skills/flutter-layered-architecture-screen-navigation"><img src="https://agentmods.dev/badge/skills/eaglesakura/agent-skills/flutter-layered-architecture-screen-navigation.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 | $0.00202 | $0.01275 |
| Opus 5 | $0.00101 | $0.00638 |
| Sonnet 5 | $0.00040 | $0.00255 |
| Haiku 4.5 | $0.00020 | $0.00128 |
Grade A, and why
flutter-layered-architecture-screen-navigation 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 10d 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 — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Flutter-Layered-Architecture / ナビゲーション
Screen 層の画面間を 疎結合にする。ルーティング実装（推奨: go_router）は impl に閉じ込め、各画面は Factory / Launcher 等の IF 経由で遷移する。
詳細は references/navigation.md（必要なら example/go_router_extensions.md）。
いつ使うか
- 新規画面の遷移入口（Launcher）・終了（Finisher）・Widget 生成（Factory）を設計するとき
- 遷移の Request / Result をどこに置くか決めるとき
- 画面 package 同士の循環参照を避けたいとき
- ルーティングライブラリの置き場所（impl のみ）を揃えるとき
いつ使わないか
- 画面内部の MVVM（ViewModel / Entity /
onXXXX）→flutter-layered-architecture-screen-mvvm - レイヤー責務の地図だけ →
flutter-layered-architecture-design - 既存コードの所在調査 →
flutter-layered-architecture-code-search - Dart 言語規約だけ →
flutter-coding-rules
作業手順
- 遷移に必要な型を切り出す（Request / Result、必要なら Input）
- IF を
screen_navigation側に置く（Factory / Launcher / Finisher 等） - 各画面 package は Factory 実装を提供し、DI で結線する（他 screen を import しない）
go_router等の具体実装はscreen_navigation_implのみ- 細部・既存パターンは
references/navigation.mdを読む
原則（要約）
- 画面 package 同士を直接参照しない。遷移契約は
screen_navigationに集約する go_router（や Navigator 直叩き）への依存は impl に閉じる。他 package はルーティング詳細を知らない- 典型 IF:
{画面名}Factory… Widget 構築（実装は各 screen package）{画面名}Launcher… 遷移の実行（実装は navigation_impl）{画面名}Finisher… 終了と結果返却（必要な画面）{画面名}Proxy… ルート定義と Factory の接続（impl）AppRouterFactory… アプリ全体ルーティング（impl に隠蔽）
- DI で結線し、ライブラリ差し替えやテスト差し替えを可能にする
パッケージの役割
| パッケージ | 役割 |
|---|---|
screen_navigation |
遷移 IF と Request/Result。ルーティングライブラリ非依存 |
screen_navigation_impl |
go_router 等の実装、Proxy、Launcher 実装、DI |
各 screen_* |
画面本体 + Factory 実装。他画面や go_router に依存しない |
名前はリポジトリにより多少違うが、IF 層 / 実装層 / 画面層の分離を優先して読み替える。
追加ドキュメント
| 参照 | 使うとき |
|---|---|
| navigation.md | IF 一覧・パッケージ構成・実装手順 |
| example/go_router_extensions.md | go_router 拡張の具体例 |
ナレッジベース
DO: 遷移契約を navigation IF に寄せ、画面同士を切る
- Request/Result を screen A が screen B の型にべったり依存させない
What ships with it
2 files 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.
- 10d ago First seen · 89 lines · 202 tokens per session scan A 7a4c2800f60a
flutter-layered-architecture-screen-navigation is a skill published in the GitHub repository eaglesakura/agent-skills (2 stars, last pushed 4d ago), licensed MIT. It adds 202 tokens to every session and 1,275 once invoked, about $0.0010 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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