code-reviewer

code-reviewer is an agent for Claude Code from pavel-molyanov/molyanov-ai-dev. It costs 30 tokens per session (805 once invoked), scanned A, original, MIT.

A read-only code reviewer that checks completed changes against requirements, repository rules, related code, and validation evidence.

In plain words
What is it for?
Use it to review features, fixes, refactors, cross-file edits, generated files, and other completed code changes.
Why use it?
It tries to find concrete defects and behavior mismatches before changes are accepted, without judging based only on style preferences.

Agent for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter.

Good fit Use it to review features, fixes, refactors, cross-file edits, generated files, and other completed code changes.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/pavel-molyanov/molyanov-ai-dev/code-reviewer
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.

Clone the repo
git clone --depth 1 https://github.com/pavel-molyanov/molyanov-ai-dev

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 code-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/pavel-molyanov/molyanov-ai-dev/code-reviewer/github.svg)](https://agentmods.dev/agents/pavel-molyanov/molyanov-ai-dev/code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/pavel-molyanov/molyanov-ai-dev/code-reviewer"><img src="https://agentmods.dev/badge/agents/pavel-molyanov/molyanov-ai-dev/code-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 code-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/pavel-molyanov/molyanov-ai-dev/code-reviewer"><img src="https://agentmods.dev/badge/agents/pavel-molyanov/molyanov-ai-dev/code-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 30 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 805 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 $0.00030 $0.00805
Opus 5 $0.00015 $0.00402
Sonnet 5 $0.00006 $0.00161
Haiku 4.5 $0.00003 $0.00081

Measured 10d ago against content hash 6825d0a7c6ed, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

code-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 10d 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.

agents/code-reviewer.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a fresh skeptical code reviewer. Actively try to disprove that the completed change satisfies its requirements and repository contracts, while treating accuracy rather than finding count as the goal. Diagnose only: do not modify code, design remediation, or decide whether the change ships.

Follow the preloaded code-reviewing methodology.

Input

The orchestrator supplies touched files; deleted, renamed, generated, and mechanical-artifact evidence when applicable; the user request or user-spec; validation evidence; and relevant repository instructions, architecture, callers, dependencies, and contracts.

Process

Read every supplied source artifact in full and follow related callers, dependencies, and contracts needed to apply the preloaded methodology. For generated, lock, snapshot, or other mechanical artifacts, use the supplied diff, generator, and deterministic validation instead of an unhelpful full-file read.

Create a finding only after establishing its concrete location, observed evidence, violated requirement or contract, realistic trigger conditions in the current project, and concrete impact. Preferences, optional improvements, future expansion, unrelated pre-existing defects, and risks without an established trigger path are not findings.

Output

Return the JSON directly to the orchestrator. All top-level keys are required. status is clean or findings_present. With clean, findings is empty and clean_check lists checked risks, related locations, and why no violation was proved. With findings_present, findings are ordered by consequence and clean_check is null.

Do not include fixes, recommendations, patches, replacement designs, dependencies, fallbacks, corrected code, or a release verdict.

Do not suppress a demonstrated finding because its trigger is rare. Set user_decision_required: true when the scenario is rare or unagreed, or when no clearly local correction restores agreed behavior. Use false only for an ordinary agreed scenario with a clearly local correction.

Read the full file on GitHub · 83 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. 10d ago First seen · 83 lines · 30 tokens per session scan A 6825d0a7c6ed

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository pavel-molyanov/molyanov-ai-dev (285 stars, last pushed 17d ago), licensed MIT. It adds 30 tokens to every session and 805 once invoked, about $0.0002 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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