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.
curl -O https://raw.githubusercontent.com/nwiizo/cargo-coupling/main/.agents/skills/check-balance/SKILL.mdgit clone --depth 1 https://github.com/nwiizo/cargo-couplingWrote 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/skills/nwiizo/cargo-coupling/check-balance)<a href="https://agentmods.dev/skills/nwiizo/cargo-coupling/check-balance"><img src="https://agentmods.dev/badge/skills/nwiizo/cargo-coupling/check-balance/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/skills/nwiizo/cargo-coupling/check-balance"><img src="https://agentmods.dev/badge/skills/nwiizo/cargo-coupling/check-balance.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00034 | $0.00299 |
| Opus 5.5 | $0.00014 | $0.00120 |
| Sonnet 5.5 | $0.00007 | $0.00060 |
| Haiku 4.5 | $0.00003 | $0.00030 |
Grade A, and why
check-balance 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.
What it actually says
Check Balance
For a quick check, run from this repository with the requested path (default
./src) and report the grade, its rationale, and material analysis limits:
rtk proxy cargo run -- coupling --summary ./src
For a gate, use the user's threshold or baseline. Examples:
rtk proxy cargo run -- coupling --check --min-grade=C ./src
rtk proxy cargo run -- coupling --check --baseline main --fail-on=high ./src
Capture the exit status and explain why the gate passed or failed. Baseline mode
fails only on new issues at the selected severity or above; its default is High.
Do not infer a grade from the average balance score: the current implementation
uses issue density and data sufficiency. S is an over-optimization warning.
Inspect grade.rs or gate handling only when the result needs explanation. A low grade alone does not require a full review or code changes. If the user asks for diagnosis, follow analyze for the relevant findings.
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.
- 20d ago Changed · +15 tokens per session a57de8932cc2
- 1mo ago Changed · -29 lines · -3 tokens per session 1f844999280c
- 1mo ago First seen · 61 lines · 22 tokens per session scan A 45bce128ce79
check-balance is a skill published in the GitHub repository nwiizo/cargo-coupling (116 stars, last pushed 2d ago), licensed MIT. It adds 34 tokens to every session and 299 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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