pr-review-expert

pr-review-expert is a skill for Claude Code, Codex from Morningstar202604/awesome-skillkit. It costs 83 tokens per session (3,531 once invoked), scanned D, a copy of pr-review-expert, Apache-2.0.

A structured reviewer for GitHub pull requests and GitLab merge requests—proposed code changes that are reviewed before being merged.

In plain words
What is it for?
Use it before merging changes to shared libraries, APIs, databases, or security-sensitive code, especially when the change is large.
Why use it?
It checks more than formatting by examining affected systems, security risks, breaking changes, test coverage changes, linked tickets, and performance concerns. The checklist helps organize findings for a consistent review.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: positional $N argument.

Good fit Use it before merging changes to shared libraries, APIs, databases, or security-sensitive code, especially when the change is large.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/morningstar202604/awesome-skillkit/pr-review-expert
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 Morningstar202604/awesome-skillkit --skill pr-review-expert
Clone the repo
git clone --depth 1 https://github.com/Morningstar202604/awesome-skillkit

Made for: Claude Code, Codex.

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 pr-review-expert

README.md
[![agentmods](https://agentmods.dev/badge/skills/morningstar202604/awesome-skillkit/pr-review-expert/github.svg)](https://agentmods.dev/skills/morningstar202604/awesome-skillkit/pr-review-expert)
Your own site
<a href="https://agentmods.dev/skills/morningstar202604/awesome-skillkit/pr-review-expert"><img src="https://agentmods.dev/badge/skills/morningstar202604/awesome-skillkit/pr-review-expert/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 pr-review-expert

Your own site · 80×15
<a href="https://agentmods.dev/skills/morningstar202604/awesome-skillkit/pr-review-expert"><img src="https://agentmods.dev/badge/skills/morningstar202604/awesome-skillkit/pr-review-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 83 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,531 The whole file, excluding the scripts and references it only reads on demand.
Security scan D 3 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% copy Near-identical to another mod 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 $0.00083 $0.03531
Opus 5 $0.00042 $0.01766
Sonnet 5 $0.00017 $0.00706
Haiku 4.5 $0.00008 $0.00353

Measured 11d ago against content hash 93cda91f4720, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade D, and why

pr-review-expert scanned grade D with 3 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 11d 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 600 ~/.netrc`) and call `curl -s --netrc …` — no secret material in

Reaches for credential fileshighPrivilege escalation

SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.

> **Security note:** for repeated Jira use, prefer a `~/.netrc` entry

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

# Credentials are fed to curl via a config read from stdin (-K -) so the token
Origin

This is a copy

86% identical to pr-review-expert — 46 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/programming/github/pr-review-expert/SKILL.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.

PR Review Expert

Tier: POWERFUL Category: Engineering Domain: Code Review / Quality Assurance


Overview

Structured, systematic code review for GitHub PRs and GitLab MRs. Goes beyond style nits — this skill performs blast radius analysis, security scanning, breaking change detection, and test coverage delta calculation. Produces a reviewer-ready report with a 30+ item checklist and prioritized findings.


Core Capabilities

  • Blast radius analysis — trace which files, services, and downstream consumers could break
  • Security scan — SQL injection, XSS, auth bypass, secret exposure, dependency vulns
  • Test coverage delta — new code vs new tests ratio
  • Breaking change detection — API contracts, DB schema migrations, config keys
  • Ticket linking — verify Jira/Linear ticket exists and matches scope
  • Performance impact — N+1 queries, bundle size regression, memory allocations

When to Use

  • Before merging any PR/MR that touches shared libraries, APIs, or DB schema
  • When a PR is large (>200 lines changed) and needs structured review
  • Onboarding new contributors whose PRs need thorough feedback
  • Security-sensitive code paths (auth, payments, PII handling)
  • After an incident — review similar PRs proactively

Fetching the Diff

GitHub (gh CLI)

# View diff in terminal
gh pr diff <PR_NUMBER>

# Get PR metadata (title, body, labels, linked issues)
gh pr view <PR_NUMBER> --json title,body,labels,assignees,milestone

# List files changed
gh pr diff <PR_NUMBER> --name-only

# Check CI status
gh pr checks <PR_NUMBER>

# Download diff to file for analysis
gh pr diff <PR_NUMBER> > /tmp/pr-<PR_NUMBER>.diff

GitLab (glab CLI)

# View MR diff
glab mr diff <MR_IID>

# MR details as JSON
glab mr view <MR_IID> --output json

# List changed files
glab mr diff <MR_IID> --name-only

# Download diff
glab mr diff <MR_IID> > /tmp/mr-<MR_IID>.diff

Workflow

Step 1 — Fetch Context

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. 11d ago First seen · 403 lines · 83 tokens per session scan D 93cda91f4720

Subscribe to this mod's changes

pr-review-expert is a skill published in the GitHub repository Morningstar202604/awesome-skillkit (1 stars, last pushed yesterday), licensed Apache-2.0. It adds 83 tokens to every session and 3,531 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it D with 3 findings (asks for root, reaches for credential files, makes network calls). It is 86% identical to pr-review-expert, differing in 46 lines, and is treated as a copy.

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