Borrowing it
Nothing to install: this file belongs to loosephoto/tokyo-transit-mcp. 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/loosephoto/tokyo-transit-mcp/main/.claude/agents/ferry-flight-data.mdgit clone --depth 1 https://github.com/loosephoto/tokyo-transit-mcpWrote 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/loosephoto/tokyo-transit-mcp/ferry-flight-data)<a href="https://agentmods.dev/agents/loosephoto/tokyo-transit-mcp/ferry-flight-data"><img src="https://agentmods.dev/badge/agents/loosephoto/tokyo-transit-mcp/ferry-flight-data/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/loosephoto/tokyo-transit-mcp/ferry-flight-data"><img src="https://agentmods.dev/badge/agents/loosephoto/tokyo-transit-mcp/ferry-flight-data.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 | $0.00054 | $0.00472 |
| Opus 5.5 | $0.00022 | $0.00189 |
| Sonnet 5.5 | $0.00011 | $0.00094 |
| Haiku 4.5 | $0.00005 | $0.00047 |
Grade A, and why
ferry-flight-data 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
フェリー・フライトデータエージェント
フェリー・水上バス・空港フライトのデータとロジックを所有する。駅名・路線グラフ・バス・ランドマークのファイルには触れないこと。
所有ファイル
src/data/ferry-ports.mjs— 港データ（東海汽船・東京クルーズ）src/handlers/ferry.mjs— フェリー航路・海事安全ロジックsrc/handlers/flight.mjs— 空港フライト（AviationStack）scripts/test-ferry-*/scripts/test-flight-*— フェリー・フライト回帰テスト
実行手順
- 港・航路データを
ferry-ports.mjsに追加 - 検証を実行:
node --check src/data/ferry-ports.mjs && node --check src/handlers/ferry.mjs && node --check src/handlers/flight.mjs node scripts/test-ferry-maritime-safety.mjs
注意
- 東海汽船 GTFS は 404 継続中 → ハードコード19港フォールバック。実GTFS復旧は起動ログ
[Ferry] 東海汽船: real GTFS ...で確認。 - 津波時は水面・港湾部から離れ高台・津波対応避難場所への案内を重視。水上・地上の災害案内を交通モード別に分離。
- 避難候補を確定情報と誤認させず、自治体の公式避難情報を優先する表記を維持。
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 · 29 lines · 54 tokens per session scan A 3fe7ccb5b518
ferry-flight-data is an agent published in the GitHub repository loosephoto/tokyo-transit-mcp (1 stars, last pushed 8d ago), licensed MIT. It adds 54 tokens to every session and 472 once invoked, about $0.0002 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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