shux: Skill for Claude Code

.claude/skills/adversarial-review/SKILL.md

adversarial-review is a skill for Claude Code from indrasvat/shux. It costs 163 tokens per session (920 once invoked), scanned A, original, no licence file.

A review process that runs parallel agents against the real system to find failures in new code before release.

In plain words
What is it for?
Use it after a substantial feature passes its normal checks to test schemas, protocols, serializers, state machines, redaction, and other system behavior.
Why use it?
It tests actual behavior instead of relying only on source-code reasoning, helping expose problems in contracts, parsing, security, state changes, and related areas.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is indrasvat/shux's own configuration. It tells Claude Code how to work on shux itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything shux configures →

Reuse

Borrowing it

Nothing to install: this file belongs to indrasvat/shux. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/indrasvat/shux/main/.claude/skills/adversarial-review/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/indrasvat/shux

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 adversarial-review

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/indrasvat/shux/adversarial-review"><img src="https://agentmods.dev/badge/skills/indrasvat/shux/adversarial-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 163 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 920 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 unknown 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 $0.00163 $0.00920
Opus 5.5 $0.00065 $0.00368
Sonnet 5.5 $0.00033 $0.00184
Haiku 4.5 $0.00016 $0.00092

Measured 2mo ago against content hash 4bc42314c043, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

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/adversarial-review/SKILL.md · 66 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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 · 66 lines · 163 tokens per session scan A 4bc42314c043

Subscribe to this mod's changes

adversarial-review is a skill published in the GitHub repository indrasvat/shux (2 stars, last pushed yesterday), with no licence file. It adds 163 tokens to every session and 920 once invoked, about $0.0007 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.

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