cargo-coupling: Skill for Claude Code

.agents/skills/web/SKILL.md

web is a skill for Claude Code, Codex from nwiizo/cargo-coupling. It costs 29 tokens per session (277 once invoked), scanned A, original, MIT.

A web interface for exploring how parts of a codebase depend on one another, with graph views, filters, history, and refactoring hotspots.

In plain words
What is it for?
Use it to explore module connections, inspect dependency direction, review changes over Git history, and export a graph image.
Why use it?
It makes complex coupling relationships easier to inspect than command-line output alone.

Skill for Claude CodeCodex

Written for Claude Code and Codex: disable-model-invocation in frontmatter, but also agents/openai.yaml present. Also seen: installed under .agents/ (shared by several agents).

This is nwiizo/cargo-coupling's own configuration. It tells Claude Code and Codex 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/web/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/nwiizo/cargo-coupling

Made for: Claude Code, Codex.

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 web

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/nwiizo/cargo-coupling/web"><img src="https://agentmods.dev/badge/skills/nwiizo/cargo-coupling/web.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 277 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 $0.00029 $0.00277
Opus 5.5 $0.00012 $0.00111
Sonnet 5.5 $0.00006 $0.00055
Haiku 4.5 $0.00003 $0.00028

Measured 20d ago against content hash 3dc41dde064f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

web 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.

.agents/skills/web/SKILL.md · 28 lines

What it actually says

Launch the Web Visualization

Run from this checkout with the requested target (default ./src). cargo run builds as needed; a separate build is unnecessary for launch.

rtk proxy cargo run -- coupling --web ./src
rtk proxy cargo run -- coupling --web --port 8080 --no-open ./src

Preserve the requested port and browser behavior. Use --no-open in a headless session. Keep track of the process started for this task and report its actual URL once it is serving. If startup fails, inspect the failure before changing ports or stopping processes. Stop only the server this task owns when cleanup is requested or when a temporary verification run ends.

Read ui-guide.md only when the user needs help exploring the graph, filters, timeline, or export. For implementation changes, read Web UI rules and the relevant source; launching the UI does not require the full development documentation.

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · +12 tokens per session 3dc41dde064f
  2. 1mo ago Changed · -58 lines · +17 tokens per session 403834a97c34
  3. 1mo ago First seen · 86 lines · 0 tokens per session scan A a0f6a16f970c

Subscribe to this mod's changes

web is a skill published in the GitHub repository nwiizo/cargo-coupling (116 stars, last pushed 2d ago), licensed MIT. It adds 29 tokens to every session and 277 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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