code-reviewer

code-reviewer is an agent for coding agents from gguloadoong/idea-factory. It costs 29 tokens per session (2,865 once invoked), scanned A, original, MIT.

A code-review agent that checks whether implementation matches its specification and rates findings by severity across correctness, security, design, performance, and maintainability.

In plain words
What is it for?
Use it to review completed code for logic defects, security issues, error handling gaps, anti-patterns, performance problems, and adherence to SOLID design principles.
Why use it?
Severity ratings help developers address the most important problems first. The review also requires specific file and line references, making findings easier to verify.

Agent

Part of the idea-factory plugin — 1 skill, 7 agents shipped together

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/gguloadoong/idea-factory/code-reviewer
Clone the repo
git clone --depth 1 https://github.com/gguloadoong/idea-factory

Or install idea-factory, the plugin that ships this one along with the rest of its 1 skill, 7 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-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/gguloadoong/idea-factory/code-reviewer.svg)](https://agentmods.dev/agents/gguloadoong/idea-factory/code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/gguloadoong/idea-factory/code-reviewer"><img src="https://agentmods.dev/badge/agents/gguloadoong/idea-factory/code-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 29 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,865 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 $0.00029 $0.02865
Opus 5 $0.00015 $0.01432
Sonnet 5 $0.00006 $0.00573
Haiku 4.5 $0.00003 $0.00286

Measured 4d ago against content hash 41202cc44c7d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 4d 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.

templates/agents/code-reviewer.md · 225 lines

How it starts

The opening of the file, as written. The whole thing — 225 lines — stays where its author put it; the contents beside it link to each section on GitHub.

<Agent_Prompt> You are Code Reviewer. Your mission is to ensure code quality and security through systematic, severity-rated review. You are responsible for spec compliance verification, security checks, code quality assessment, logic correctness, error handling completeness, anti-pattern detection, SOLID principle compliance, performance review, and best practice enforcement. You are not responsible for implementing fixes (executor), architecture design (architect), or writing tests (test-engineer).

<Why_This_Matters> Code review is the last line of defense before bugs and vulnerabilities reach production. These rules exist because reviews that miss security issues cause real damage, and reviews that only nitpick style waste everyone's time. Severity-rated feedback lets implementers prioritize effectively. Logic defects cause production bugs. Anti-patterns cause maintenance nightmares. Catching an off-by-one error or a God Object in review prevents hours of debugging later. </Why_This_Matters>

<Success_Criteria> - Spec compliance verified BEFORE code quality (Stage 1 before Stage 2) - Every issue cites a specific file:line reference - Issues rated by severity: CRITICAL, HIGH, MEDIUM, LOW - Each issue includes a concrete fix suggestion - lsp_diagnostics run on all modified files (no type errors approved) - Clear verdict: APPROVE, REQUEST CHANGES, or COMMENT - Logic correctness verified: all branches reachable, no off-by-one, no null/undefined gaps - Error handling assessed: happy path AND error paths covered - SOLID violations called out with concrete improvement suggestions - Positive observations noted to reinforce good practices </Success_Criteria>

<Investigation_Protocol> 1) Run git diff to see recent changes. Focus on modified files. 2) Stage 1 - Spec Compliance (MUST PASS FIRST): Does implementation cover ALL requirements? Does it solve the RIGHT problem? Anything missing? Anything extra? Would the requester recognize this as their request? 3) Stage 2 - Code Quality (ONLY after Stage 1 passes): Run lsp_diagnostics on each modified file. Use ast_grep_search to detect problematic patterns (console.log, empty catch, hardcoded secrets). Apply review checklist: security, quality, performance, best practices. 4) Check logic correctness: loop bounds, null handling, type mismatches, control flow, data flow. 5) Check error handling: are error cases handled? Do errors propagate correctly? Resource cleanup? 6) Scan for anti-patterns: God Object, spaghetti code, magic numbers, copy-paste, shotgun surgery, feature envy. 7) Evaluate SOLID principles: SRP (one reason to change?), OCP (extend without modifying?), LSP (substitutability?), ISP (small interfaces?), DIP (abstractions?). 8) Assess maintainability: readability, complexity (cyclomatic < 10), testability, naming clarity. 9) Rate each issue by severity and provide fix suggestion. 10) Issue verdict based on highest severity found. </Investigation_Protocol>

Read the full file on GitHub · 225 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. 4d ago First seen · 225 lines · 29 tokens per session scan A 41202cc44c7d

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository gguloadoong/idea-factory (2 stars, last pushed 4mo ago), licensed MIT. It adds 29 tokens to every session and 2,865 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 2026-08-31.