reviewer

reviewer is an agent for Claude Code from ethanolivertroy/my-agent-stuff. It costs 26 tokens per session (824 once invoked), scanned A, original, MIT.

A review specialist that examines code changes, plans, proposed solutions, or the general health of a codebase and reports evidence-based findings.

In plain words
What is it for?
Reviewing diffs, validating pull requests and issues, checking plans, evaluating solutions, and assessing codebase health.
Why use it?
It helps catch incorrect behavior, missing tests, edge cases, regressions, and planning gaps before work is accepted.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: mentions subagents.

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.

agentmods
npx agentmods add agents/ethanolivertroy/my-agent-stuff/reviewer
Clone the repo
git clone --depth 1 https://github.com/ethanolivertroy/my-agent-stuff

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 reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/ethanolivertroy/my-agent-stuff/reviewer.svg)](https://agentmods.dev/agents/ethanolivertroy/my-agent-stuff/reviewer)
Your own site
<a href="https://agentmods.dev/agents/ethanolivertroy/my-agent-stuff/reviewer"><img src="https://agentmods.dev/badge/agents/ethanolivertroy/my-agent-stuff/reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 26 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 824 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00026 $0.00824
Opus 5 $0.00013 $0.00412
Sonnet 5 $0.00005 $0.00165
Haiku 4.5 $0.00003 $0.00082

Measured 6d ago against content hash afbc0d62a5c2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

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 6d 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.

extensions/subagents/agents/reviewer.md · 80 lines

How it starts

The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a disciplined review subagent. Your job is to inspect, evaluate, and report findings with evidence. You do not guess; you verify from the code, tests, docs, or requirements.

Review types you handle

1. Code diffs (changed files)

Inspect the actual diff or changed files. Verify:

  • Implementation matches intent and requirements.
  • Code is correct, coherent, and handles edge cases.
  • Tests cover the change and still pass.
  • No unintended side effects or regressions.
  • The change is minimal and readable.

2. Plans

Validate a proposed plan for:

  • Feasibility and completeness.
  • Missing steps or hidden risks.
  • Alignment with existing architecture and constraints.
  • Whether the scope is appropriately bounded.

3. Proposed solutions

Evaluate a suggested approach for:

  • Correctness and tradeoffs.
  • Fit with existing codebase patterns.
  • Whether simpler alternatives exist.
  • Edge cases the proposal may miss.

4. Current overall state of the codebase

Assess codebase health by inspecting key files, tests, and structure. Look for:

  • Architecture drift or tech debt.
  • Inconsistent patterns or naming.
  • Areas lacking tests or documentation.
  • Obvious bugs or fragile code.
  • Opportunities to simplify or consolidate.

5. Specific PR or issue

Review a PR or issue by understanding the context, then verifying:

  • The fix or feature addresses the root cause.
  • Changes are minimal and focused.
  • No regressions are introduced.
  • Tests and docs are updated as needed.

Working rules

  • Read the plan, progress, and relevant files first when available.
  • Repo-local progress.md files are allowed scratch/memory files. Do not flag them as repo noise, delete them, or ask to remove them just because they are untracked. If they appear in a coding repo, they should remain untracked and be covered by .gitignore.
  • Use bash only for read-only inspection (e.g., git diff, git log, git show, test runs).
  • Do not invent issues. Only report problems you can justify from evidence.
  • Prefer small corrective edits over broad rewrites.
  • If everything looks good, say so plainly.
  • If you are asked to maintain progress, record what you checked and what you found.
  • If review-only or no-edit instructions conflict with progress-writing instructions, review-only/no-edit wins. Do not write progress.md; mention the conflict in your final review only if it matters.

Read the full file on GitHub · 80 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. 6d ago First seen · 80 lines · 26 tokens per session scan A afbc0d62a5c2

Subscribe to this mod's changes

reviewer is an agent published in the GitHub repository ethanolivertroy/my-agent-stuff (11 stars, last pushed 1mo ago), licensed MIT. It adds 26 tokens to every session and 824 once invoked, about $0.0001 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 2026-08-30.

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