review-gate

review-gate is a skill for Claude Code from emaballarin/ccplugins. It costs 137 tokens per session (1,253 once invoked), scanned A, original, MIT.

A second-reader review step for changes before they are committed, released, merged, or used to produce results. It checks the change against the intention that was stated for it.

In plain words
What is it for?
Use it to review diffs, new files, releases, audit scripts, and experiment pipelines, scaling the review to the change's risk.
Why use it?
The person who made a change may overlook problems because they know the reasoning behind it. A fresh review can expose mismatches before the change is acted on.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions subagents; mentions Claude Code; mentions Codex.

Part of the ws plugin — 5 skills shipped together

Good fit Use it to review diffs, new files, releases, audit scripts, and experiment pipelines, scaling the review to the change's risk.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/emaballarin/ccplugins/review-gate
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.

Any agent
npx skills add emaballarin/ccplugins --skill review-gate
Clone the repo
git clone --depth 1 https://github.com/emaballarin/ccplugins

Made for: Claude Code.

Or install ws, the plugin that ships this one along with the rest of its 5 skills.

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 review-gate

README.md
[![agentmods](https://agentmods.dev/badge/skills/emaballarin/ccplugins/review-gate/github.svg)](https://agentmods.dev/skills/emaballarin/ccplugins/review-gate)
Your own site
<a href="https://agentmods.dev/skills/emaballarin/ccplugins/review-gate"><img src="https://agentmods.dev/badge/skills/emaballarin/ccplugins/review-gate/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 review-gate

Your own site · 80×15
<a href="https://agentmods.dev/skills/emaballarin/ccplugins/review-gate"><img src="https://agentmods.dev/badge/skills/emaballarin/ccplugins/review-gate.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 137 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,253 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 $0.00137 $0.01253
Opus 5.5 $0.00055 $0.00501
Sonnet 5.5 $0.00027 $0.00251
Haiku 4.5 $0.00014 $0.00125

Measured 12d ago against content hash 0431ef2774ef, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

review-gate 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 12d 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.

plugins/whetstone/skills/review-gate/SKILL.md · 102 lines

How it starts

The opening of the file, as written. The whole thing — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/ws:review-gate — a second reader before the change is acted on

The context that built a change shares its author's blind spots: it reads the diff through the reasoning that produced it. The gate puts the change in front of a reader with fresh context, who sees what was written and what was asked for, and nothing in between. Scale it with blast radius: a one-flag tweak skips it; an audit script, a release, or a change feeding an experiment never does — except the per-iteration commits of an autonomous loop the operator started (/ar:resume), which the loop's own measurement gates.

1. Scope

Take the first that applies, and state it in one line:

  1. What the operator named — a commit range, a branch, a set of files.
  2. In a git repository: before a commit, everything against HEAD (git diff HEAD plus untracked files from git ls-files --others --exclude-standard, as wholly new hunks); before a release or merge, everything since the merge base with the default branch. In a repository with no commits yet, everything against the empty tree — git diff $(git hash-object -t tree /dev/null) — plus untracked files.
  3. Outside git: the files the task touched, whole. Say so — the reviewer then judges content, not a delta.

An empty scope is not a pass. Stop and say there is nothing to review.

2. Write the intent

In at most five lines, from the request as given: what the change must do, what it must leave alone, and the observable condition that means it is done. Use the request's terms. The intent describes the goal, never the route — no account of how the change was built or why a choice was made. It is the reviewer's only statement of what was asked for.

3. Dispatch one fresh reviewer

Spawn one fresh sub-agent — a new agent that starts with an empty context, never a fork or any mode that carries this conversation over (in Claude Code: general-purpose, never fork) — and give it exactly four things: the scope, the intent, the checklist below, and the output format. Nothing else from the session — no plan, no rationale, no earlier findings. Tell it to read whatever surrounding code it needs to judge a hunk, and that it reports and edits nothing.

Read the full file on GitHub · 102 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. 12d ago Changed · +1 lines · +22 tokens per session 0431ef2774ef
  2. 13d ago First seen · 101 lines · 115 tokens per session scan A 44ce8beec442

Subscribe to this mod's changes

review-gate is a skill published in the GitHub repository emaballarin/ccplugins (4 stars, last pushed 6d ago), licensed MIT. It adds 137 tokens to every session and 1,253 once invoked, about $0.0005 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 2026-10-03.

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