cargo-coupling: Agent for Claude Code

.claude/agents/architecture-critic.md

architecture-critic is an agent for Claude Code from nwiizo/cargo-coupling. It costs 42 tokens per session (316 once invoked), scanned A, original, MIT.

A software architecture reviewer that examines Rust project structure, dependencies, module boundaries, and technical debt.

In plain words
What is it for?
Use it to review cargo-coupling analysis and produce prioritized architecture risks, design strengths, and suggested fixes.
Why use it?
It helps reveal circular dependencies, layer violations, wide change impacts, and other design risks before they cause maintenance or production problems.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

This is nwiizo/cargo-coupling's own configuration. It tells Claude Code how to work on cargo-coupling itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything cargo-coupling configures →

Reuse

Borrowing it

Nothing to install: this file belongs to nwiizo/cargo-coupling. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/nwiizo/cargo-coupling/main/.claude/agents/architecture-critic.md
Clone the repo
git clone --depth 1 https://github.com/nwiizo/cargo-coupling

Made for: Claude Code.

Wrote 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.

agentmods badge for architecture-critic

README.md
[![agentmods](https://agentmods.dev/badge/agents/nwiizo/cargo-coupling/architecture-critic/github.svg)](https://agentmods.dev/agents/nwiizo/cargo-coupling/architecture-critic)
Your own site
<a href="https://agentmods.dev/agents/nwiizo/cargo-coupling/architecture-critic"><img src="https://agentmods.dev/badge/agents/nwiizo/cargo-coupling/architecture-critic/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.

agentmods 80×15 button for architecture-critic

Your own site · 80×15
<a href="https://agentmods.dev/agents/nwiizo/cargo-coupling/architecture-critic"><img src="https://agentmods.dev/badge/agents/nwiizo/cargo-coupling/architecture-critic.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 42 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 316 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00042 $0.00316
Opus 5.5 $0.00017 $0.00126
Sonnet 5.5 $0.00008 $0.00063
Haiku 4.5 $0.00004 $0.00032

Measured 20d ago against content hash e41c34101a84, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

architecture-critic 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 20d 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.

.claude/agents/architecture-critic.md · 21 lines

What it actually says

Architecture Critic

委任された範囲を読み取り専用でレビューする。 coupling-reviewを使い、 渡された分析結果と実コードを照合する。追加のコマンド実行が必要なら、 確認したい内容とコマンドを依頼元へ返す。

依存の向き、共有している内部知識、独立した変更を妨げる境界に注目する。 件数や循環の存在だけで欠陥と判断せず、具体的な変更例で影響を説明する。 現在必要な境界と、将来を仮定した拡張性の提案を区別する。

指摘は場所、根拠、影響、最小の改善案の順にまとめ、重要なものを先にする。 コードから分からない運用・組織事情は未確認とする。根拠のないリスク点数、 工数、障害予測や実体験を付け加えない。指摘がなければその旨と確認範囲を返す。

Changes

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.

  1. 20d ago Changed · -87 lines · +42 tokens per session e41c34101a84
  2. 1mo ago First seen · 108 lines · 0 tokens per session scan A 952d7797853d

Subscribe to this mod's changes

architecture-critic is an agent published in the GitHub repository nwiizo/cargo-coupling (116 stars, last pushed 2d ago), licensed MIT. It adds 42 tokens to every session and 316 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 2026-09-01.

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