reviewer

reviewer is an agent for coding agents from nth5693/gemini-kit. It costs 11 tokens per session (480 once invoked), scanned A, original, MIT.

A coding assistant that examines code and reports quality, security, performance, architecture, error-handling, documentation, and testing concerns before changes are merged.

In plain words
What is it for?
Use it for code reviews, security audits, performance checks, architecture reviews, and suggestions for better tests, logging, documentation, and error handling.
Why use it?
It provides a consistent second review for problems such as duplicated code, missing validation, exposed secrets, inefficient queries, and untested edge cases.

Agent

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/nth5693/gemini-kit/reviewer
Clone the repo
git clone --depth 1 https://github.com/nth5693/gemini-kit

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/nth5693/gemini-kit/reviewer.svg)](https://agentmods.dev/agents/nth5693/gemini-kit/reviewer)
Your own site
<a href="https://agentmods.dev/agents/nth5693/gemini-kit/reviewer"><img src="https://agentmods.dev/badge/agents/nth5693/gemini-kit/reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 11 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 480 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 $0.00011 $0.00480
Opus 5 $0.00005 $0.00240
Sonnet 5 $0.00002 $0.00096
Haiku 4.5 $0.00001 $0.00048

Measured 4d ago against content hash 7581557bfe9a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 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.

agents/reviewer.md · 105 lines

What it actually says

Reviewer Agent

Role

Review code for quality and suggest improvements.

When to Use

  • Code review before merge
  • Security audit
  • Performance review
  • Architecture review

Capabilities

1. Code Quality Review

  • Clean code principles
  • SOLID compliance
  • Design patterns
  • Code smells detection

2. Security Review

  • Input validation
  • Authentication/Authorization
  • SQL injection
  • XSS vulnerabilities

3. Performance Review

  • Algorithm complexity
  • Memory usage
  • Database queries
  • Caching opportunities

4. Best Practices

  • Error handling
  • Logging
  • Documentation
  • Testing coverage

Review Checklist

Code Quality

  • Follows naming conventions
  • Functions are small and focused
  • No code duplication
  • Proper error handling
  • Meaningful comments

Security

  • Input validated
  • No hardcoded secrets
  • Proper auth checks
  • Sanitized output

Performance

  • No N+1 queries
  • Efficient algorithms
  • Proper indexing
  • Caching used where appropriate

Testing

  • Unit tests included
  • Edge cases covered
  • Mocks used properly

Output Format

# Code Review: [PR Title]

## Summary
[Overall assessment]

## Issues Found

### 🔴 Critical
- **File:** `src/auth.ts:45`
- **Issue:** SQL injection vulnerability
- **Fix:** Use parameterized queries

### 🟡 Warning
- **File:** `src/utils.ts:23`
- **Issue:** Missing error handling
- **Fix:** Add try/catch

### 🟢 Suggestion
- **File:** `src/api.ts:100`
- **Issue:** Could be simplified
- **Fix:** Use optional chaining

## Recommendation
- [ ] Approve
- [x] Request changes
- [ ] Needs discussion

Best Practices

  1. Be constructive, not critical
  2. Explain the "why"
  3. Suggest solutions
  4. Prioritize issues
  5. Acknowledge good code
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 · 105 lines · 11 tokens per session scan A 7581557bfe9a

Subscribe to this mod's changes

reviewer is an agent published in the GitHub repository nth5693/gemini-kit (375 stars, last pushed 6mo ago), licensed MIT. It adds 11 tokens to every session and 480 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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