cad-coverage

cad-coverage is a skill for Claude Code, Codex from crenshawdev/cadence. It costs 30 tokens per session (260 once invoked), scanned A, original, MIT.

A test-coverage workflow for a completed project phase. It finds requirements that lack tests capable of detecting failures and creates tests using the project's existing tools and test runner.

In plain words
What is it for?
Use it to audit requirements, identify missing failure checks, and add unit, integration, or other appropriate tests where coverage is incomplete.
Why use it?
It helps reveal untested requirements before a phase is considered complete. It follows the project's own testing setup instead of assuming a particular programming stack or test type.

Skill for Claude CodeCodex

Installs and runs on its own, but its text points at files inside its plugin — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed. Installing the plugin gets both.

Part of the cadence plugin — 34 skills, 19 agents, 3 hooks shipped together

Install

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.

agentmods
npx agentmods add skills/crenshawdev/cadence/cad-coverage
Any agent
npx skills add crenshawdev/cadence --skill cad-coverage
Clone the repo
git clone --depth 1 https://github.com/crenshawdev/cadence

Made for: Claude Code, Codex.

Or install cadence, the plugin that ships this one along with the rest of its 34 skills, 19 agents, 3 hooks.

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 cad-coverage

README.md
[![agentmods](https://agentmods.dev/badge/skills/crenshawdev/cadence/cad-coverage.svg)](https://agentmods.dev/skills/crenshawdev/cadence/cad-coverage)
Your own site
<a href="https://agentmods.dev/skills/crenshawdev/cadence/cad-coverage"><img src="https://agentmods.dev/badge/skills/crenshawdev/cadence/cad-coverage.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 260 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00030 $0.00260
Opus 5 $0.00015 $0.00130
Sonnet 5 $0.00006 $0.00052
Haiku 4.5 $0.00003 $0.00026

Measured 3d ago against content hash b901ff519632, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

cad-coverage 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 3d 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.

skills/cad-coverage/SKILL.md · 34 lines

What it actually says

Audit and generate in one un-duplicated flow. No fixed stack, no Playwright/E2E default - the test kind and runner follow the code and workflow.test_command.

<execution_context> @${CLAUDE_PLUGIN_ROOT}/cadence-core/workflows/coverage.md </execution_context>

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. 3d ago First seen · 34 lines · 30 tokens per session scan A b901ff519632

Subscribe to this mod's changes

cad-coverage is a skill published in the GitHub repository crenshawdev/cadence (4 stars, last pushed 4d ago), licensed MIT. It adds 30 tokens to every session and 260 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.