cad-plan-review

cad-plan-review is a skill for Claude Code from crenshawdev/cadence. It costs 36 tokens per session (571 once invoked), scanned A, original, MIT.

An optional adversarial review of a phase plan before implementation begins. It checks the plan against the repository and reports findings without changing the plan automatically.

In plain words
What is it for?
Use it to review a hand-written, imported, or recently edited PLAN.md and inspect surviving review findings.
Why use it?
It can expose missing work or incorrect assumptions before they turn into code changes.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions subagents; names the AskUserQuestion tool.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the cadence plugin — 34 skills, 30 agents, 3 hooks shipped together

Good fit Use it to review a hand-written, imported, or recently edited PLAN.md and inspect surviving review findings.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add crenshawdev/cadence
Claude Code
/plugin install cadence

Made for: Claude Code.

Or install cadence, the plugin that ships this one along with the rest of its 34 skills, 30 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-plan-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/crenshawdev/cadence/cad-plan-review.svg)](https://agentmods.dev/skills/crenshawdev/cadence/cad-plan-review)
Your own site
<a href="https://agentmods.dev/skills/crenshawdev/cadence/cad-plan-review"><img src="https://agentmods.dev/badge/skills/crenshawdev/cadence/cad-plan-review.svg" alt="Measured on agentmods" height="20"></a>
Per session 36 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 571 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 $0.00036 $0.00571
Opus 5 $0.00018 $0.00285
Sonnet 5 $0.00007 $0.00114
Haiku 4.5 $0.00004 $0.00057

Measured 8d ago against content hash ebd54e72d886, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

cad-plan-review 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 8d 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-plan-review/SKILL.md · 52 lines

What it actually says

There is no separate reviewer here and no convergence loop (cut in DESIGN §6): this delegates to fire(plan), which grounds and adjudicates once.

  1. Fire the plan trigger with the resolved PLAN file(s) as the artifact - Read ${CLAUDE_PLUGIN_ROOT}/cadence-core/references/review-triggers.md here, not preloaded (one site). Honor review.triggers.plan.gate (default adjudicated) always; its tier and effort reach cross-model reviewers only. This resolves the reviewer set (claude-subagent and/or a configured cross-model reviewer), runs them, and - for an adjudicated gate - grounds each finding against the real repo, kills false positives, and merges convergent findings.

  2. Report the outcome: for advisory, the findings; for blocking, the PASS/FAIL and surviving blocker/high findings; for adjudicated, the grounded survivor list. Do NOT auto-apply changes to the plan - present the survivors and let the user decide what to fix (the plan-creation flow triages the same way).

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. 8d ago First seen · 52 lines · 36 tokens per session scan A ebd54e72d886

Subscribe to this mod's changes

cad-plan-review is a skill published in the GitHub repository crenshawdev/cadence (5 stars, last pushed today), licensed MIT. It adds 36 tokens to every session and 571 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.

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