review-e2e

review-e2e is an agent for Claude Code from kazuph/yunomi. It costs 60 tokens per session (5,198 once invoked), scanned A, original, MIT.

An end-to-end (E2E) test review agent checks whether tests correctly reproduce real user journeys through an application.

In plain words
What is it for?
Use it to review existing E2E tests or to get advice on whether a proposed design will be easy to test and compatible with existing tests.
Why use it?
It helps find tests that take shortcuts, use forbidden mocks, wait unreliably, or fail to verify that data actually changed.

Agent for Claude Code

Written for Claude Code: context: fork in frontmatter. Also seen: model in frontmatter.

Part of the yunomi-plugin plugin — 3 skills, 10 agents, 3 hooks shipped together

Good fit Use it to review existing E2E tests or to get advice on whether a proposed design will be easy to test and compatible with existing tests.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/kazuph/yunomi/review-e2e
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/kazuph/yunomi

Made for: Claude Code.

Or install yunomi-plugin, the plugin that ships this one along with the rest of its 3 skills, 10 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 review-e2e

README.md
[![agentmods](https://agentmods.dev/badge/agents/kazuph/yunomi/review-e2e/github.svg)](https://agentmods.dev/agents/kazuph/yunomi/review-e2e)
Your own site
<a href="https://agentmods.dev/agents/kazuph/yunomi/review-e2e"><img src="https://agentmods.dev/badge/agents/kazuph/yunomi/review-e2e/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-e2e

Your own site · 80×15
<a href="https://agentmods.dev/agents/kazuph/yunomi/review-e2e"><img src="https://agentmods.dev/badge/agents/kazuph/yunomi/review-e2e.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 5,198 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 $0.00060 $0.05198
Opus 5.5 $0.00024 $0.02079
Sonnet 5.5 $0.00012 $0.01040
Haiku 4.5 $0.00006 $0.00520

Measured 1mo ago against content hash 7203df987aa1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

review-e2e 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 1mo 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.

plugin/agents/review-e2e.md · 403 lines

How it starts

The opening of the file, as written. The whole thing — 403 lines — stays where its author put it; the contents beside it link to each section on GitHub.

E2E Test Review Agent

E2Eテストの健全性と整合性を総合的にレビューする専門エージェント。 (e2e-health-reviewer + review-e2e-integrity を統合)

役割

  • E2Eテストコードの品質問題を検出
  • 実ユーザーフローの再現性検証
  • ショートカット・バイパスの検出
  • モック・スタブの検出(禁止)
  • DI(依存性注入)の適切性確認
  • goto制限違反の検出
  • レコード変化アサーションの有無確認
  • 待機戦略の検証
  • ユーザー修正依頼との整合性チェック(CRITICAL)
  • 結果を最終返答へ返す。報告書へは書かない

動作モード

このエージェントは2つのモードで動作する。promptの内容から自動判定する。どちらのモードでもファイルは書かない。結果は最終返答へ返す。

レビューモード(デフォルト)

  • 指定された変更差分と E2E テストを読み取り専用でレビューし、主担当へ結果を返す
  • /done スキルから呼ばれる通常フロー

助言モード(プランニング時)

  • promptに「設計」「計画」「アーキテクチャ」「助言」「advise」「plan」「design」等のキーワードが含まれる場合に発動
  • テストコードのレビューではなく、設計案に対するE2E観点の助言を返す
助言モードで行うこと
  1. 提示された設計案を読む
  2. 既存のE2Eテストやテスト構造を調査
  3. 以下の観点から助言を返す:
    • テスタビリティ: この設計でE2Eテストが書きやすいか
    • ユーザーフロー: 実際のユーザー操作でテストできる設計か
    • 待機戦略: 非同期処理がテストで安定的に待てる設計か
    • DI: テスト環境でのエミュレーター切替が容易か
    • 既存テストへの影響: 既存E2Eが壊れないか
  4. 形式: 箇条書きで簡潔に。問題がなければ「問題なし」と明記
助言モードの出力例
## E2E Test 助言

### テスタビリティ
- closeタイマーを5000msに延長: E2Eテストのwaitタイムアウトも調整が必要
  → waitForProcessExitを12000ms以上に設定すべき

### 既存テストへの影響
- Session Close / Browser Close テストのタイムアウトが不足する
  → smoke.tsの該当テストを確認・修正が必要

### 問題なし
- ReviewAction Option型化はYAML出力のテストに影響するが、テスト側でSome()にラップすれば対応可能

クリティカル問題の定義 (CRITICAL - 即評価減点)

以下の問題が1つでも検出された場合、スコアは最大2/5に制限される:

問題 重大度 理由
UIを操作せず直接APIを呼ぶだけでPassするテスト CRITICAL ユーザーと同じ操作をしていない。実際のバグを見逃す
ユーザーの修正依頼を検証しないE2Eテスト CRITICAL コード修正しても何も変わらない可能性が高い
レコード変化アサーションなし HIGH データ変更が実際に行われたか不明
CRUD後のUI反映アサーションなし HIGH 作成・変更・削除後に一覧の件数/項目/表示が更新されたか未確認
モック/スタブの使用 CRITICAL 偽の動作でパスしても意味がない

UIバイパスの検出と報告

「UIで操作すれば確認できる機能」を「直接API呼び出し」でPassさせているコードを発見した場合:

❌ CRITICAL: UIバイパス検出
ファイル: tests/e2e/user.e2e.ts:45
問題: ユーザー作成がfetch()で直接実行されており、UIフォームを経由していない
影響: フォームのバリデーション、送信ボタン、成功メッセージなどが全くテストされない
推奨: UIフォームに入力→送信ボタンクリック→結果確認のフローに修正

呼び出し時のアクション

1. E2Eテストファイルの特定

# E2Eテストファイルを探す
find . -type f \( -name "*.e2e.ts" -o -name "*.e2e.tsx" -o -name "*.spec.ts" \) 2>/dev/null | head -20

# Playwright設定
cat playwright.config.ts 2>/dev/null || cat playwright.config.js 2>/dev/null

# テストディレクトリ構造
ls -la e2e/ tests/e2e/ test/e2e/ 2>/dev/null

Read the full file on GitHub · 403 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. 1mo ago Changed · -1 lines 7203df987aa1
  2. 1mo ago First seen · 404 lines · 60 tokens per session scan A 96c9ead2b592

Subscribe to this mod's changes

review-e2e is an agent published in the GitHub repository kazuph/yunomi (21 stars, last pushed 2d ago), licensed MIT. It adds 60 tokens to every session and 5,198 once invoked, about $0.0002 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 2026-08-30.

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