What is n98-magerun2-performance-review CLAUDE.md?

Project instructions for working on a Magento 2 performance-review module, a tool that checks an online shop for performance issues and produces reports.

Use them when changing the performance-review command, adding or updating analyzer checks, collecting issues, or changing the generated report.

They explain how the module is organized, so an agent can locate the command, checks, issue collection, and report-generation code without piecing the structure together first.

How magendooro/n98-magerun2-performance-review configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to magendooro/n98-magerun2-performance-review. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/magendooro/n98-magerun2-performance-review/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/magendooro/n98-magerun2-performance-review

Made for: Claude Code.

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.

README.md

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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.

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Per session 5,343 This file is loaded in full into every session.

When invoked 5,343 The same file — it is already loaded in full.

Security scan B 1 finding. 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.

Model	Per session	Once invoked
Fable 5.1	$0.05343	$0.05343
Opus 5.5	$0.02137	$0.02137
Sonnet 5.5	$0.01069	$0.01069
Haiku 4.5	$0.00534	$0.00534

Measured 2mo ago against content hash 24b7deb6daa6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

n98-magerun2-performance-review CLAUDE.md scanned grade B with 1 finding 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 2mo 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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

chmod 644 path/to/YourAnalyzer.php # if needed

CLAUDE.md · 744 lines

How it starts

The opening of the file, as written. The whole thing — 744 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md - Performance Review Module

This file provides guidance to Claude Code and its sub-agents when working with the Performance Review module for n98-magerun2.

Quick Reference

What This Module Does

A comprehensive performance analysis tool for Magento 2 that runs 11 different analyzer categories and generates actionable reports. Think of it as a "health check" for Magento installations.

Architecture at a Glance

Command (PerformanceReviewCommand)
    ↓
Analyzers (11 core + custom)
    ↓
Issue Collection
    ↓
Report Generator
    ↓
Console Output

Key File Locations

Purpose	Path	Description
Main Command	`src/PerformanceReview/Command/PerformanceReviewCommand.php`	Entry point, orchestrates all analyzers
Analyzer Interface	`src/PerformanceReview/Api/AnalyzerCheckInterface.php`	Contract for all analyzers (new interface)
Issue Collection	`src/PerformanceReview/Model/Issue/Collection.php`	Collects issues from analyzers
Issue Builder	`src/PerformanceReview/Model/Issue/IssueBuilder.php`	Fluent API for creating issues
Report Generator	`src/PerformanceReview/Model/ReportGenerator.php`	Formats and outputs reports
Module Config	`n98-magerun2.yaml`	Registers commands and autoloaders
Core Analyzers	`src/PerformanceReview/Analyzer/*.php`	11 built-in analyzers
Examples	`examples/CustomAnalyzers/*.php`	Example custom analyzer implementations

Core Interfaces

// Primary interface for new analyzers (v2.0)
interface AnalyzerCheckInterface {
    public function analyze(Collection $results): void;
}

// Optional: For analyzers needing configuration
interface ConfigAwareInterface {
    public function setConfig(array $config): void;
}

// Optional: For analyzers needing Magento dependencies
interface DependencyAwareInterface {
    public function setDependencies(array $dependencies): void;
}

11 Analyzer Categories

Read the full file on GitHub · 744 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.

2mo ago First seen · 744 lines · 5,343 tokens per session scan B 24b7deb6daa6

Subscribe to this mod's changes

n98-magerun2-performance-review CLAUDE.md is an instructions file published in the GitHub repository magendooro/n98-magerun2-performance-review (22 stars, last pushed 11mo ago), licensed MIT. It adds 5,343 tokens to every session, about $0.0214 per session on Opus 5.5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Analytics and metrics E-commerce

n98-magerun2-performance-review CLAUDE.md next to 6 instructions from other repositories
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n98-magerun2-performance-review: Instructions file for Claude Code