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claude-adversarial-review

claude-adversarial-review is a skill for Codex from pejmanjohn/cc-plugin-codex. It costs 20 tokens per session (275 once invoked), scanned A, original, MIT.

A command that asks the Claude AI coding assistant to review code changes with a deliberately skeptical eye. A diff is the set of changes between two code versions.

In plain words
What is it for?
Use it to review the current diff or a range of branches, choosing the comparison point, Claude model, and review effort.
Why use it?
It provides an additional review focused on overlooked bugs, weak assumptions, and problems in the current changes.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: mentions Claude Code.

not rated 13repo 3mo ago A scan 20 tokens original MIT

Good fit Use it to review the current diff or a range of branches, choosing the comparison point, Claude model, and review effort.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pejmanjohn/cc-plugin-codex/claude-adversarial-review
View source ↗ pejmanjohn/cc-plugin-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.

Any agent
npx skills add pejmanjohn/cc-plugin-codex --skill claude-adversarial-review
Clone the repo
git clone --depth 1 https://github.com/pejmanjohn/cc-plugin-codex

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 claude-adversarial-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/pejmanjohn/cc-plugin-codex/claude-adversarial-review/github.svg)](https://agentmods.dev/skills/pejmanjohn/cc-plugin-codex/claude-adversarial-review)
Your own site
<a href="https://agentmods.dev/skills/pejmanjohn/cc-plugin-codex/claude-adversarial-review"><img src="https://agentmods.dev/badge/skills/pejmanjohn/cc-plugin-codex/claude-adversarial-review/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 claude-adversarial-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/pejmanjohn/cc-plugin-codex/claude-adversarial-review"><img src="https://agentmods.dev/badge/skills/pejmanjohn/cc-plugin-codex/claude-adversarial-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 275 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 $0.00020 $0.00275
Opus 5.5 $0.00008 $0.00110
Sonnet 5.5 $0.00004 $0.00055
Haiku 4.5 $0.00002 $0.00028

Measured 2mo ago against content hash 60857b112565, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

claude-adversarial-review 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 2mo 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.

claude/skills/claude-adversarial-review/SKILL.md · 25 lines

What it actually says

You are the thin skill wrapper for Claude Companion adversarial review runs.

Supported flags:

  • --base <ref>
  • --model <alias>
  • --effort <level>
  • --json

Pass only the flags listed above, placed before any review focus text. Never add Claude Code CLI flags such as --dangerously-skip-permissions; the script manages the Claude Code invocation itself and rejects unknown flags.

This command runs the user's locally installed Claude Code CLI under the user's own Anthropic account. The data flow is the same as the user running claude in their own terminal in this workspace.

  1. Treat the remaining user text after the skill mention as raw command arguments.
  2. Resolve <plugin-root> as the directory two levels above this SKILL.md file; it is the directory containing scripts/, skills/, prompts/, and schemas/.
  3. Run node <plugin-root>/scripts/claude-companion.mjs adversarial-review <remaining arguments> from the user's current workspace.
  4. Return stdout verbatim.
  5. If the command exits non-zero, surface stderr verbatim.
  6. Do not implement logic in this skill.
Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 2mo ago First seen · 25 lines · 20 tokens per session scan A 60857b112565

Subscribe to this mod's changes

claude-adversarial-review is a skill published in the GitHub repository pejmanjohn/cc-plugin-codex (13 stars, last pushed 3mo ago), licensed MIT. It adds 20 tokens to every session and 275 once invoked, about $0.0001 per session on Opus 5.5. 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.

Claude CodeCode reviewcodexcodex-plugincodex-skills
Related

claude-adversarial-review compared with skills from other repositories

claude-adversarial-review next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
claude-adversarial-reviewpejmanjohn/cc-plugin-codexSkill133mo agoMITA20Codex
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flutter-dart-code-reviewdatit309/supergraphSkill237d agoMITA56Claude Code
arch-reviewramboz/jigSkill711d agoMITA207Claude Code
security-reviewramboz/jigSkill711d agoMITA147Claude Code
pr-reviewramboz/jigSkill711d agoMITA183Claude Code
vibesecdatit309/supergraphSkill237d agoMITC51Claude Code