code-review-and-quality

code-review-and-quality is a skill for Claude Code from peterblazejewicz/claude-plugins. It costs 68 tokens per session (4,682 once invoked), scanned A, original, MIT.

A structured review of .NET and C# changes across correctness, readability, design, security, and speed. It is intended for code written by a person or an AI agent before it is merged.

In plain words
What is it for?
Use it before merging a feature, refactor, bug fix, or other change, including checking that a bug fix has a test proving the original problem is gone.
Why use it?
A change can work while still being difficult to maintain, unsafe, poorly designed, or slow. Reviewing several aspects together helps catch issues before they enter the main codebase.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the dotnet-skills plugin — 24 skills, 9 commands, 4 agents shipped together

Good fit Use it before merging a feature, refactor, bug fix, or other change, including checking that a bug fix has a test proving the original problem is gone.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/peterblazejewicz/claude-plugins/code-review-and-quality
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 peterblazejewicz/claude-plugins --skill code-review-and-quality
Clone the repo
git clone --depth 1 https://github.com/peterblazejewicz/claude-plugins

Made for: Claude Code.

Or install dotnet-skills, the plugin that ships this one along with the rest of its 24 skills, 9 commands, 4 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 code-review-and-quality

README.md
[![agentmods](https://agentmods.dev/badge/skills/peterblazejewicz/claude-plugins/code-review-and-quality/github.svg)](https://agentmods.dev/skills/peterblazejewicz/claude-plugins/code-review-and-quality)
Your own site
<a href="https://agentmods.dev/skills/peterblazejewicz/claude-plugins/code-review-and-quality"><img src="https://agentmods.dev/badge/skills/peterblazejewicz/claude-plugins/code-review-and-quality/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 code-review-and-quality

Your own site · 80×15
<a href="https://agentmods.dev/skills/peterblazejewicz/claude-plugins/code-review-and-quality"><img src="https://agentmods.dev/badge/skills/peterblazejewicz/claude-plugins/code-review-and-quality.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,682 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 $0.00068 $0.04682
Opus 5 $0.00034 $0.02341
Sonnet 5 $0.00014 $0.00936
Haiku 4.5 $0.00007 $0.00468

Measured 9d ago against content hash dd22b2db8cd3, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

code-review-and-quality 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 9d 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/dotnet-skills/skills/code-review-and-quality/SKILL.md · 390 lines

How it starts

The opening of the file, as written. The whole thing — 390 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Code Review and Quality

Overview

Multi-dimensional code review with quality gates. Every change gets reviewed before merge — no exceptions. Review covers five axes: correctness, readability, architecture, security, and performance.

The approval standard: Approve a change when it definitely improves overall code health, even if it isn't perfect. Perfect code doesn't exist — the goal is continuous improvement. Don't block a change because it isn't exactly how you would have written it. If it improves the codebase and follows the project's conventions, approve it.

When to Use

  • Before merging any PR or change
  • After completing a feature implementation
  • When another agent or model produced code you need to evaluate
  • When refactoring existing code
  • After any bug fix (review both the fix and the regression test)

The Five-Axis Review

Host-model lens. The five axes apply universally. Individual bullets sometimes anchor on a specific host model — server-side (ASP.NET Core) items like N+1 EF Core patterns, FromSqlRaw, antiforgery tokens, and [Authorize] policy checks won't apply to a pure Avalonia/MAUI client; client-side (Avalonia / MAUI / Blazor WebAssembly) items like dispatcher marshalling and localStorage discipline won't apply to an ASP.NET Core API. Where a bullet is host-specific, the host is named inline.

Every review evaluates code across these dimensions:

1. Correctness

Does the code do what it claims to do?

  • Does it match the spec or task requirements?
  • Are edge cases handled (null, empty, boundary values, default(T))?
  • Are error paths handled (not just the happy path)?
  • Are async methods correctly awaited? No sync-over-async (.Result / .Wait()) on I/O paths?
  • Does it pass all tests (dotnet test)? Are the tests actually testing the right things?
  • Are there off-by-one errors, race conditions, or state inconsistencies?
  • Is CancellationToken threaded through I/O methods?
  • For library code (NuGet packages, class libraries that may be consumed from non-ASP.NET-Core hosts — WPF, WinForms, MAUI, Avalonia UI thread), do public await expressions use .ConfigureAwait(false) to avoid capturing the caller's SynchronizationContext? (Not needed for code that only runs under ASP.NET Core — it has no SynchronizationContext since .NET Core 2.1.)

Read the full file on GitHub · 390 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. 9d ago First seen · 390 lines · 68 tokens per session scan A dd22b2db8cd3

Subscribe to this mod's changes

code-review-and-quality is a skill published in the GitHub repository peterblazejewicz/claude-plugins (7 stars, last pushed 2mo ago), licensed MIT. It adds 68 tokens to every session and 4,682 once invoked, about $0.0003 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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