adversarial-plan-validator

adversarial-plan-validator is an agent for Claude Code from alfredolopez80/multi-agent-ralph-loop. It costs 49 tokens per session (2,964 once invoked), scanned B, original, no licence file.

A plan checker that uses two independent review passes to challenge whether an implementation plan covers every detail.

In plain words
What is it for?
Use it to cross-check coding plans, compare review conclusions, and test whether the proposed work is complete.
Why use it?
It helps catch overlooked requirements and weak assumptions before a plan is implemented.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Good fit Use it to cross-check coding plans, compare review conclusions, and test whether the proposed work is complete.

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Install with agentmods
npx agentmods add agents/alfredolopez80/multi-agent-ralph-loop/adversarial-plan-validator
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.

Clone the repo
git clone --depth 1 https://github.com/alfredolopez80/multi-agent-ralph-loop

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-plan-validator

README.md
[![agentmods](https://agentmods.dev/badge/agents/alfredolopez80/multi-agent-ralph-loop/adversarial-plan-validator/github.svg)](https://agentmods.dev/agents/alfredolopez80/multi-agent-ralph-loop/adversarial-plan-validator)
Your own site
<a href="https://agentmods.dev/agents/alfredolopez80/multi-agent-ralph-loop/adversarial-plan-validator"><img src="https://agentmods.dev/badge/agents/alfredolopez80/multi-agent-ralph-loop/adversarial-plan-validator/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-plan-validator

Your own site · 80×15
<a href="https://agentmods.dev/agents/alfredolopez80/multi-agent-ralph-loop/adversarial-plan-validator"><img src="https://agentmods.dev/badge/agents/alfredolopez80/multi-agent-ralph-loop/adversarial-plan-validator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,964 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. 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 $0.00049 $0.02964
Opus 5.5 $0.00020 $0.01186
Sonnet 5.5 $0.00010 $0.00593
Haiku 4.5 $0.00005 $0.00296

Measured 1mo ago against content hash d95f59756754, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

adversarial-plan-validator scanned grade B with 1 finding 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 1mo 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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

cat .claude/plan-state.json | jq '.'
.claude/agents/adversarial-plan-validator.md · 401 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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. 1mo ago Changed · -36 lines · -18 tokens per session d95f59756754
  2. 1mo ago First seen · 437 lines · 67 tokens per session scan B a4905d576529

Subscribe to this mod's changes

adversarial-plan-validator is an agent published in the GitHub repository alfredolopez80/multi-agent-ralph-loop (146 stars, last pushed 1mo ago), with no licence file. It adds 49 tokens to every session and 2,964 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.