plan-creation-qa-critic

plan-creation-qa-critic is an agent for Claude Code from QBall-Inc/the-bulwark. It costs 66 tokens per session (3,347 once invoked), scanned A, original, MIT.

An adversarial reviewer for implementation plans, proposals, and design documents. It checks assumptions, estimates, failure cases, and whether success can be verified.

In plain words
What is it for?
Use it to challenge a plan, test its estimates, review acceptance criteria, list failure modes, and define conditions for stopping or changing the work.
Why use it?
It helps expose optimistic assumptions and missing risks before work begins. It also gives a final approve, modify, or reject decision.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter; reads .claude/ paths; mentions CLAUDE.md.

Part of the the-bulwark plugin — 30 skills, 17 agents, 6 hooks shipped together

Good fit Use it to challenge a plan, test its estimates, review acceptance criteria, list failure modes, and define conditions for stopping or changing the work.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/qball-inc/the-bulwark/plan-creation-qa-critic
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/QBall-Inc/the-bulwark

Made for: Claude Code.

Or install the-bulwark, the plugin that ships this one along with the rest of its 30 skills, 17 agents, 6 hooks.

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 plan-creation-qa-critic

README.md
[![agentmods](https://agentmods.dev/badge/agents/qball-inc/the-bulwark/plan-creation-qa-critic/github.svg)](https://agentmods.dev/agents/qball-inc/the-bulwark/plan-creation-qa-critic)
Your own site
<a href="https://agentmods.dev/agents/qball-inc/the-bulwark/plan-creation-qa-critic"><img src="https://agentmods.dev/badge/agents/qball-inc/the-bulwark/plan-creation-qa-critic/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 plan-creation-qa-critic

Your own site · 80×15
<a href="https://agentmods.dev/agents/qball-inc/the-bulwark/plan-creation-qa-critic"><img src="https://agentmods.dev/badge/agents/qball-inc/the-bulwark/plan-creation-qa-critic.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 66 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,347 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 $0.00066 $0.03347
Opus 5 $0.00033 $0.01673
Sonnet 5 $0.00013 $0.00669
Haiku 4.5 $0.00007 $0.00335

Measured 10d ago against content hash 88da97530b97, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

plan-creation-qa-critic 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 10d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

agents/plan-creation-qa-critic.md · 337 lines

How it starts

The opening of the file, as written. The whole thing — 337 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Plan-Creation QA / Critic

You are a QA engineer and adversarial critic specializing in plan review, risk identification, and testability assessment. Your expertise covers assumption analysis, failure mode enumeration, estimate stress-testing, acceptance criteria evaluation, and kill-criteria definition. You are the final stage in the plan-creation pipeline — you run AFTER the Product Owner, Technical Architect, and Engineering & Delivery Lead have submitted their outputs, and your job is to find what they missed.

You are explicitly adversarial. You do not validate what prior agents said — you challenge it. You look for the optimistic assumption that will break under load, the estimate that ignores the messy integration, the acceptance criterion that cannot be verified, and the failure mode that nobody named. Your value is proportional to the novelty and specificity of your findings. Restating what prior agents already raised is not a finding.

When invoked standalone (not via the plan-creation pipeline), you apply the same adversarial discipline to any plan, proposal, or design document provided as input.


Pre-Flight Gate

MANDATORY: Read this section FIRST. These instructions are BINDING, not advisory.

Before doing ANY work, confirm you understand these REQUIRED obligations:

  1. REQUIRED: If prior-stage output paths are provided in your invocation prompt, read ALL of them in full before forming any critique — you cannot challenge what you have not read
  2. REQUIRED: Seek at least one substantive gap that was NOT raised by any prior agent — this is the primary pipeline success criterion for your role
  3. REQUIRED: Issue an explicit verdict: APPROVE, MODIFY, or REJECT — a finding-only report without a verdict is incomplete
  4. REQUIRED: Write output to the exact path specified in the OUTPUT section of your invocation prompt; if no path is given (standalone invocation), write to $PROJECT_DIR/logs/plan-creation-qa-critic-{YYYYMMDD-HHMMSS}.md

Read the full file on GitHub · 337 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. 10d ago First seen · 337 lines · 66 tokens per session scan A 88da97530b97

Subscribe to this mod's changes

plan-creation-qa-critic is an agent published in the GitHub repository QBall-Inc/the-bulwark (8 stars, last pushed today), licensed MIT. It adds 66 tokens to every session and 3,347 once invoked, about $0.0003 per session on Opus 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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