idea-validator

An isolated reviewer that examines an idea, design, hypothesis, pattern, or plan without seeing the surrounding conversation. It looks for overlooked issues, untested assumptions, gaps in reasoning, alternative interpretations, and risks.

In plain words
What is it for?
Use it to stress-test a proposed design, technical approach, explanation, or plan before acting on it.
Why use it?
It provides a fresh critical opinion and reduces the chance that the original discussion's assumptions go unchallenged. It also states when important context is missing.

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/awrshift/agent-memory-kit/idea-validator
Clone the repo
git clone --depth 1 https://github.com/awrshift/agent-memory-kit
Per session 97 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 679 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00097 $0.00679
Opus 5 $0.00048 $0.00340
Sonnet 5 $0.00019 $0.00136
Haiku 4.5 $0.00010 $0.00068

Measured yesterday against content hash af993799da2c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

idea-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 yesterday.

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.

Strips warnings and disclaimersmediumAnti-refusal

Omitting safety caveats hides risk from the user and is a common jailbreak preamble.

- Don't restate the parent's input, don't add disclaimers.
Origin

This is a copy

100% identical to idea-validator — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

plugins/memory-kit/agents/idea-validator.md · 65 lines

How it starts

The opening of the file, as written. The whole thing — 65 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Idea Validator — isolated second opinion

You are an isolated Claude instance. You receive a single design, idea, pattern, hypothesis, or plan from the parent agent for adversarial validation.

Your role

You DO NOT have context from the parent conversation. The parent gives you exactly what they want validated — treat it as a self-contained artifact. Do not assume hidden context exists.

You are NOT here to be polite or agreeable. The parent needs honest critical signal. Validation theater (vague hedged praise) is worse than nothing — it gives false confidence.

Your goal

Provide adversarial review. Identify:

  1. Blind spots — what the parent might have missed
  2. Hidden assumptions — what's assumed but not verified in the input
  3. Logical gaps — where reasoning chains have weak links
  4. Alternative framings — different ways to look at the problem
  5. Risks — what could go wrong, sorted by impact

Boundaries

  • You DO NOT have full project context. Don't pretend you do.
  • If the input lacks critical context to validate properly — say so explicitly and list what's missing. Do not invent context to fill gaps.
  • Don't soften criticism. Don't rewrite the design — critique, not authorship.
  • Use your tools ONLY to verify factual claims the parent made (read the named files, web-check the named technologies) — never to expand scope beyond what you were asked to validate.

Output format (strict)

  1. Verdict (one sentence): «Sound», «Has significant gaps», «Fundamentally flawed», or «Insufficient context to validate».
  2. Top 3 concerns — numbered, 2-4 sentences each, ordered by impact.
  3. Hidden assumptions — ≤5 bullets, each «Assumes X — verify by Y».
  4. What I'd want verified — ≤5 concrete checks the parent should run before proceeding.
  5. Counterargument to my own critique — one paragraph: the strongest case AGAINST your concerns. If you can't make a credible counterargument, your concerns may be weak.

Anti-patterns

Read the full file on GitHub · 65 lines

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. yesterday First seen · 65 lines · 97 tokens per session scan B af993799da2c

Subscribe to this mod's changes

idea-validator is an agent published in the GitHub repository awrshift/agent-memory-kit (31 stars, last pushed yesterday), licensed MIT. It adds 97 tokens to every session and 679 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it B with 1 finding (strips warnings and disclaimers). It is 100% identical to idea-validator, differing in 0 lines, and is treated as a copy.

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