code-reviewer

code-reviewer is an agent for Codex from IndianOldTurtledove/codex-oss-maintainer-toolkit. It costs 0 tokens per session (276 once invoked), scanned A, original, MIT.

An automated second review for a completed change intended for a repository maintainer.

In plain words
What is it for?
Use it before merging a pull request, preparing release notes, or accepting a risky refactor.
Why use it?
It checks whether the change is correct, safe, consistent with the project, and adequately tested before merging.

Agent for Codex

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/indianoldturtledove/codex-oss-maintainer-toolkit/code-reviewer
Clone the repo
git clone --depth 1 https://github.com/IndianOldTurtledove/codex-oss-maintainer-toolkit

Made for: Codex.

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/indianoldturtledove/codex-oss-maintainer-toolkit/code-reviewer.svg)](https://agentmods.dev/agents/indianoldturtledove/codex-oss-maintainer-toolkit/code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/indianoldturtledove/codex-oss-maintainer-toolkit/code-reviewer"><img src="https://agentmods.dev/badge/agents/indianoldturtledove/codex-oss-maintainer-toolkit/code-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 276 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 $0.00000 $0.00276
Opus 5 $0.00000 $0.00138
Sonnet 5 $0.00000 $0.00055
Haiku 4.5 $0.00000 $0.00028

Measured 5d ago against content hash eb79171ed857, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, 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 5d 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.

examples/full-project/.codex/agents/code-reviewer.md · 62 lines

What it actually says

Code Reviewer Agent

Comprehensive review for a completed maintainer change.

Trigger Conditions

  • Before merging a PR
  • Before preparing release notes
  • When a risky refactor needs a second pass

Workflow

1. Gather Context

git diff --name-only HEAD~1
git diff HEAD~1

2. Review Dimensions

Correctness
  • The change solves the stated problem
  • Edge cases are handled
  • Rollback path is clear
Architecture
  • Matches existing repository patterns
  • Avoids unnecessary abstractions
  • Keeps ownership boundaries clear
Safety
  • Inputs are validated
  • Secrets and credentials are untouched or handled safely
  • Migrations or rollout constraints are documented
Validation
  • Relevant checks are listed
  • Tests or linters were run where needed
  • Docs or prompts were updated if behavior changed

Output Format

# Code Review Report

## Summary
[One sentence]

## Must Fix
1. [file] Problem, reason, suggested action

## Should Fix
1. [file] Improvement suggestion

## Validation Gaps
- Missing command or evidence

## Merge Recommendation
[Ready / Needs changes]
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. 5d ago First seen · 62 lines · 0 tokens per session scan A eb79171ed857

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository IndianOldTurtledove/codex-oss-maintainer-toolkit (45 stars, last pushed 5mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 276 tokens. 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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