cargo-coupling: Skill for Claude Code

.agents/skills/explain-issue/SKILL.md

explain-issue is a skill for Claude Code from nwiizo/cargo-coupling. It costs 35 tokens per session (323 once invoked), scanned A, original, MIT.

A reference guide for explaining common software-coupling problems, including when they occur and how to fix them.

In plain words
What is it for?
It helps explain coupling findings, show representative code, and suggest fixes such as facades, module splitting, or dependency inversion.
Why use it?
Terms such as inappropriate intimacy or efferent coupling can be hard to interpret without concrete detection rules and examples.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: installed under .agents/ (shared by several agents).

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/.agents/skills/explain-issue/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/nwiizo/cargo-coupling

Made for: Claude Code.

Wrote this? Show the measurements

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agentmods badge for explain-issue

README.md
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Your own site
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Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 323 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00035 $0.00323
Opus 5.5 $0.00014 $0.00129
Sonnet 5.5 $0.00007 $0.00065
Haiku 4.5 $0.00003 $0.00032

Measured 20d ago against content hash 1b8d3e99a24e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

explain-issue 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

.agents/skills/explain-issue/SKILL.md · 31 lines

What it actually says

Explain a Coupling Issue

Explain what the requested finding means, what change it could make difficult, and whether the available evidence supports acting on it. Use a small Rust example when it clarifies the user's question; do not require a before/after example for every explanation.

For names and descriptions, inspect issue_type.rs. Read only the relevant detector when explaining exact conditions or severity:

Use current thresholds and the target project's configuration. The balance model explains the conceptual tradeoffs; its qualitative table is not a replacement for detection code.

Include relevant exceptions such as entrypoints, stable hubs, and re-export facades. Recommend a remedy only when it addresses the demonstrated problem; traits, facades, and module splits are options, not default fixes. No analysis run is needed for a conceptual question that the available evidence already answers.

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 · +11 tokens per session 1b8d3e99a24e
  2. 1mo ago Changed · -33 lines · +2 tokens per session 12f5c31399ea
  3. 1mo ago First seen · 64 lines · 22 tokens per session scan A 336229c11616

Subscribe to this mod's changes

explain-issue is a skill published in the GitHub repository nwiizo/cargo-coupling (116 stars, last pushed 2d ago), licensed MIT. It adds 35 tokens to every session and 323 once invoked, about $0.0001 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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