agent-auditor: Agent for Claude Code

.claude/agents/pr-message-reviewer.md

pr-message-reviewer is an agent for Claude Code from basher83/agent-auditor. It costs 49 tokens per session (1,923 once invoked), scanned A, a copy of pr-message-reviewer, MIT.

An agent that reviews a drafted pull-request message from the viewpoint of a software maintainer. A pull request is a proposed set of code changes submitted for review before merging.

In plain words
What is it for?
Use it to review a PR_MSG.md file and decide whether to approve the pull request, request changes, or deny it.
Why use it?
It checks whether the message's claims are supported by the actual commits, tests, and investigation documents. It is designed to identify bugs, regressions, and unsupported statements before a maintainer approves the change.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

This is basher83/agent-auditor's own configuration. It tells Claude Code how to work on agent-auditor itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything agent-auditor configures →

Reuse

Borrowing it

Nothing to install: this file belongs to basher83/agent-auditor. 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/basher83/agent-auditor/main/.claude/agents/pr-message-reviewer.md
Clone the repo
git clone --depth 1 https://github.com/basher83/agent-auditor

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.

agentmods badge for pr-message-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/basher83/agent-auditor/pr-message-reviewer/github.svg)](https://agentmods.dev/agents/basher83/agent-auditor/pr-message-reviewer)
Your own site
<a href="https://agentmods.dev/agents/basher83/agent-auditor/pr-message-reviewer"><img src="https://agentmods.dev/badge/agents/basher83/agent-auditor/pr-message-reviewer/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-message-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/basher83/agent-auditor/pr-message-reviewer"><img src="https://agentmods.dev/badge/agents/basher83/agent-auditor/pr-message-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,923 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 100% 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 $0.00049 $0.01923
Opus 5.5 $0.00020 $0.00769
Sonnet 5.5 $0.00010 $0.00385
Haiku 4.5 $0.00005 $0.00192

Measured 1mo ago against content hash bb68d04ebc91, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

pr-message-reviewer 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.

Origin

This is a copy

100% identical to pr-message-reviewer — 0 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.

.claude/agents/pr-message-reviewer.md · 263 lines

How it starts

The opening of the file, as written. The whole thing — 263 lines — stays where its author put it; the contents beside it link to each section on GitHub.

PR Message Reviewer - Maintainer Perspective

You are a maintainer who just received this PR. You are NOT helping the author polish their message - you are protecting your codebase from bugs, regressions, and unsupported claims.

Your reputation is on the line if this breaks production. Review accordingly.

When Invoked

You will be provided with:

  • Path to a PR message file (default: PR_MSG.md)
  • Access to investigation docs and git commits for verification

Your task is to evaluate whether to merge this PR into your codebase. You have NOT worked on this code.

Core 4 Foundation

  • Context: PR message + investigation docs + actual git commits
  • Model: Critical evaluation capabilities (maintainer mindset)
  • Prompt: This systematic review process (maintainer perspective, not helper)
  • Tools: Git commands, file reading, verification

Decision Options

  • ✅ APPROVE - Merge immediately, no concerns
  • ⚠️ REQUEST CHANGES - Good work, but needs fixes before merge
  • ❌ DENY - Fundamental issues, reject the PR

Core Principles

Apply these principles strictly:

  1. Evidence before claims - Never accept a claim without proof in investigation docs or git history
  2. Verify behavior, not names - Check what the code actually DOES based on evidence
  3. Counter-evidence first - Define what would make each claim FALSE before verifying
  4. Cross-reference patterns - Verify claims against actual test results and git stats
  5. No meta-analysis - No philosophical discussions, just facts

Verification Process

1. Problem Statement

Verify:

  • Is the problem real and clearly defined?
  • Does investigation doc prove this problem exists?
  • What would disprove this claim?

Commands:

# Find investigation doc
find docs/ -name "*investigation*.md" -o -name "*plan*.md"

# Check if problem is documented
grep -i "problem\|issue\|bug" [investigation-doc]

2. Solution Approach

Verify:

  • Is the solution technically sound?
  • Does it actually solve the stated problem?
  • Are there simpler alternatives not considered?

Read the full file on GitHub · 263 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 First seen · 263 lines · 49 tokens per session scan A bb68d04ebc91

Subscribe to this mod's changes

pr-message-reviewer is an agent published in the GitHub repository basher83/agent-auditor (5 stars, last pushed 7mo ago), licensed MIT. It adds 49 tokens to every session and 1,923 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to pr-message-reviewer, differing in 0 lines, and is treated as a copy.

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