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 agentmods add skills/tkumata/agents.md/kmt-code-rulesnpx skills add tkumata/AGENTS.md --skill kmt-code-rulesgit clone --depth 1 https://github.com/tkumata/AGENTS.mdWhat 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 | $0.00035 | $0.00667 |
| Opus 5 | $0.00017 | $0.00333 |
| Sonnet 5 | $0.00007 | $0.00133 |
| Haiku 4.5 | $0.00003 | $0.00067 |
Grade A, and why
kmt-code-rules 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 yesterday.
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
Kmt Code Rules
コードを変更するときは、既存構成を尊重しつつクリーンアーキテクチャの依存規則を維持する。
Dependency Rule
依存は外側から内側へのみ許可する。
Frameworks / Drivers -> Adapters -> Application -> Domain
内側のレイヤは外側のレイヤを import、include、参照してはならない。
- Domain は Application、Adapter、Framework に依存しない。
- Application は Adapter、Framework に依存しない。
- Adapter は Framework の詳細を Application / Domain に漏らさない。
- 外部システムへの依存は境界で抽象化する。
Responsibilities
Domain
業務ルール、Entity、Value Object、ドメイン固有の不変条件を置く。
I/O、DB、HTTP、UI、OS、SDK、Framework の詳細を置かない。
Application
Use Case とアプリケーション固有の処理フローを置く。
Domain を操作し、外部機能は Port / Interface 経由で利用する。
Adapters
Port の実装、DTO 変換、Controller、Presenter、Repository Adapter を置く。
外部形式と内部モデルの変換を境界で行う。
Frameworks / Drivers
DB、HTTP Client、GUI、CLI、デバイス、OS、SDK、Framework 固有コードを置く。
Implementation Rules
- Business logic を Controller、UI、DB、SDK 呼び出しへ直接記述しない。
- Domain 型を外部 API や永続化形式に直接依存させない。
- 外部依存は Application 側で定義した Port を介して扱う。
- DTO と Domain Model を必要に応じて分離する。
- レイヤを跨ぐデータ変換は境界付近で行う。
- 循環依存を作らない。
- グローバル状態への依存を増やさない。
- テストのためだけの不要な抽象化を追加しない。
- 単純な処理に形式的な Use Case や Interface を量産しない。
- 既存構造で依存規則を満たせる場合は新しいレイヤを追加しない。
Before Editing
変更対象について、責務、依存元、依存先を確認する。
依存規則に違反する変更が必要なら、そのまま実装せず境界または責務配置を修正する。
Verification
実装後、変更された依存関係を確認する。
外側の詳細が Domain / Application に侵入していないこと、Business logic が Framework 側へ流出していないこと、不要な抽象化を追加していないことを確認する。
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.
- yesterday First seen · 70 lines · 35 tokens per session scan A a011d9971345
kmt-code-rules is a skill published in the GitHub repository tkumata/AGENTS.md (1 stars, last pushed 2d ago), licensed MIT. It adds 35 tokens to every session and 667 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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