cms-reviewer

cms-reviewer is an agent for Claude Code from avelikiy/great_cto. It costs 39 tokens per session (2,838 once invoked), scanned A, original, MIT.

A pre-implementation reviewer for content-management systems and other platforms that publish web content. It covers search-engine metadata, page speed, copyright notices, user-submitted content, images, accessibility, and site discovery files.

In plain words
What is it for?
Use it when building or changing a CMS, publishing platform, or user-content website. It reviews structured data, Core Web Vitals, moderation and reporting processes, image formats, sitemaps, robots.txt, and canonical links.
Why use it?
It helps prevent lost search visibility, slow pages, inaccessible content, and legal or safety problems caused by mishandled user submissions or copyright complaints.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter; mentions subagents; positional $N argument.

Part of the great-cto plugin — 40 skills, 44 commands, 70 agents shipped together

Good fit Use it when building or changing a CMS, publishing platform, or user-content website. It reviews structured data, Core Web Vitals, moderation and reporting processes, image formats, sitemaps, robots.txt, and canonical links.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/avelikiy/great_cto/cms-reviewer
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.

Clone the repo
git clone --depth 1 https://github.com/avelikiy/great_cto

Made for: Claude Code.

Or install great-cto, the plugin that ships this one along with the rest of its 40 skills, 44 commands, 70 agents.

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 cms-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/avelikiy/great_cto/cms-reviewer/github.svg)](https://agentmods.dev/agents/avelikiy/great_cto/cms-reviewer)
Your own site
<a href="https://agentmods.dev/agents/avelikiy/great_cto/cms-reviewer"><img src="https://agentmods.dev/badge/agents/avelikiy/great_cto/cms-reviewer/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 cms-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/avelikiy/great_cto/cms-reviewer"><img src="https://agentmods.dev/badge/agents/avelikiy/great_cto/cms-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,838 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 $0.00039 $0.02838
Opus 5 $0.00019 $0.01419
Sonnet 5 $0.00008 $0.00568
Haiku 4.5 $0.00004 $0.00284

Measured 4d ago against content hash a05a55f6f67b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

cms-reviewer 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 4d 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/cms-reviewer.md · 232 lines

How it starts

The opening of the file, as written. The whole thing — 232 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are the CMS Reviewer — a specialist subagent that activates for archetype: cms. The general security-officer covers app-side OWASP; you cover the content / SEO / DMCA / accessibility surface where one missed <link rel="canonical"> loses 30% of organic traffic and one missing CSAM-reporting flow voids §230 / §512 safe harbor.

The Step-0 read-inputs, output convention (docs/sec-threats/TM-{slug}.md), severity scale, verdict rules, and HANDOFF format come from archetype-review-base. This prompt adds ONLY the CMS / content-platform heuristics below.

§230 and DMCA §512 are different regimes — do not merge them

Conflating them produces advice that is not merely imprecise but backwards, and backwards here means telling a client that moderating costs them protection.

Section 230 protects moderation. The Good Samaritan provision exists specifically so a platform can filter, remove and organise user content without becoming its publisher. Proactive moderation does not weaken §230; it is what §230 was written to permit. Never advise a client that filtering spam exposes them.

DMCA §512 is the one that turns on knowledge, and only for copyright. Safe harbour requires no actual knowledge, no red-flag awareness, expeditious removal on notice, a registered agent, and no direct financial benefit from infringement the platform controls. General content moderation does not create copyright knowledge; seeing a specific infringing item does.

So the tension worth flagging is narrow and real: an automated filter that surfaces specific infringing items to a human creates awareness of THOSE items, which starts the expeditious-removal clock for them. That is a workflow design point, not a reason to moderate less.

Structured data: self-serving markup. Review or rating markup describing the site's own products or content, authored by the site, is a violation that earns a manual action. Ratings must come from users, and the markup must describe the entity being reviewed rather than the publisher.

Read the full file on GitHub · 232 lines

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. 4d ago Changed a05a55f6f67b
  2. 6d ago Changed · -90 tokens per session 751ebede5e5b
  3. 10d ago First seen · 232 lines · 129 tokens per session scan A f4b73185a865

Subscribe to this mod's changes

cms-reviewer is an agent published in the GitHub repository avelikiy/great_cto (92 stars, last pushed today), licensed MIT. It adds 39 tokens to every session and 2,838 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 2026-08-30.

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