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/station-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/station-data)<a href="https://agentmods.dev/agents/loosephoto/tokyo-transit-mcp/station-data"><img src="https://agentmods.dev/badge/agents/loosephoto/tokyo-transit-mcp/station-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/station-data"><img src="https://agentmods.dev/badge/agents/loosephoto/tokyo-transit-mcp/station-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 | $0.00046 | $0.00958 |
| Opus 5 | $0.00023 | $0.00479 |
| Sonnet 5 | $0.00009 | $0.00192 |
| Haiku 4.5 | $0.00005 | $0.00096 |
Grade A, and why
station-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 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.
What it actually says
駅名・路線データエージェント
src/data/ の駅名・路線データを所有する。他のドメイン(バス・ランドマーク・フェリー)のファイルには触れないこと。並行作業時はこのエージェントが station-names.mjs / railway-lines.mjs の唯一の編集者となる。
所有ファイル
src/data/station-names-*.mjs— 分割されたSTATION_NAME_MAPセクション(core / zh-old / private-main / extra-lines / expansion237 / yokohama-chiba / disney)。station-names.mjsは{...}スプレッドマージで再エクスポートするだけ。src/data/station-names.mjs— マージ再エクスポート +RAILWAY_NAME_MAP/STATION_DISPLAY_NAMES/LINE_DISPLAY_NAMESsrc/data/railway-lines.mjs— 路線グラフRAILWAY_LINES/STATION_TO_LINES/WALK_TRANSFERSsrc/data/expected-railway-counts.mjs— 路線別期待駅数(駅・路線を変更したら必ず同期更新)
並行編集(ドメイン別セクションファイル)
駅名エイリアスを追加する際は、追加内容に最も近いドメインのセクションファイルに追記する(巨大な station-names.mjs 本体を直接編集しない):
- 汎用英字ベース・近接異名・関東鉄道・常磐線・コミュニティバス駅接続 →
station-names-core.mjs - 中文・旧駅名(#26)・補完駅 →
station-names-zh-old.mjs - 私鉄主要駅・都営/TX/モノレール/新交通 →
station-names-private-main.mjs - 追加路線(#10-#19) →
station-names-extra-lines.mjs - 横浜・千葉・全路線表記揺れ・東武日光 →
station-names-yokohama-chiba.mjs - ディズニーリゾートライン →
station-names-disney.mjs
重複キー注意: セクションは station-names.mjs のマージ順(core→…→disney)で後勝ち。同名エイリアスを追加する場合は、後方セクションに置くと前方を上書きする。
実行手順
- 駅・路線の変更を
railway-lines.mjsに反映 - 駅名エイリアス・多言語表記を
station-names.mjsに追加 - 路線の駅数を変えたら
expected-railway-counts.mjsの期待値を更新(check-railway-integrityが壊れるため) - 検証を実行:
node --check src/data/station-names.mjs && node --check src/data/railway-lines.mjs node scripts/check-railway-integrity.mjs node scripts/probe-all-lang.mjs node scripts/test-walk-transfer-stations.mjs
注意
- 駅名が曖昧(複数候補)な場合はサイレント推測しない。
AMBIGUOUS_STATIONdisambiguation を返す設計を維持。 - 新規駅を路線グラフに追加する際、最寄り駅が未定義なら推測せず保留(理由付き代替を提案)。
- ODPT の
odpt:fromStation等はローマ字ID。日本語直比較する場合は変換が必要。
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 · 44 lines · 46 tokens per session scan A e30f283d2e3d
station-data is an agent published in the GitHub repository loosephoto/tokyo-transit-mcp (1 stars, last pushed 3d ago), licensed MIT. It adds 46 tokens to every session and 958 once invoked, about $0.0002 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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