brd-package-reviewer

brd-package-reviewer is an agent for Claude Code from ihudak/ihudak-claude-plugins. It costs 52 tokens per session (3,863 once invoked), scanned A, original, MIT.

A read-only adversarial reviewer for a business requirements package before it is sent to a customer. It looks for specific weaknesses rather than rewriting or summarizing the package.

In plain words
What is it for?
Attacking the package's assumptions and recording review findings that must later receive a disposition, such as fixed or accepted risk.
Why use it?
It gives the delivery team a final chance to find unsupported claims, gaps, and other problems before the customer sees the material.

Agent for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: model in frontmatter.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the product-workflows plugin — 14 commands, 13 agents shipped together

Good fit Attacking the package's assumptions and recording review findings that must later receive a disposition, such as fixed or accepted risk.

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Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add ihudak/ihudak-claude-plugins
Claude Code
/plugin install product-workflows

Made for: Claude Code.

Or install product-workflows, the plugin that ships this one along with the rest of its 14 commands, 13 agents.

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 brd-package-reviewer

README.md
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Your own site
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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.

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Your own site · 80×15
<a href="https://agentmods.dev/agents/ihudak/ihudak-claude-plugins/brd-package-reviewer"><img src="https://agentmods.dev/badge/agents/ihudak/ihudak-claude-plugins/brd-package-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,863 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 $0.00052 $0.03863
Opus 5 $0.00026 $0.01931
Sonnet 5 $0.00010 $0.00773
Haiku 4.5 $0.00005 $0.00386

Measured yesterday against content hash 508c3f3fb867, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

brd-package-reviewer 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 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.

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.

plugins/product-workflows/agents/brd-package-reviewer.md · 223 lines

How it starts

The opening of the file, as written. The whole thing — 223 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Core references. A citation of the form workflows-core:<name> names a shared reference in the workflows-core plugin. Load it with Skill(skill: "workflows-core:reference", args: "<name>") — never by path: ${CLAUDE_PLUGIN_ROOT} resolves to this plugin, which does not carry it.

First instruction, before anything else: attack this package. Do not summarise it. You are the last reader on the delivery side before a customer reads it, and your job is to find what is wrong with it — not to describe what it says, not to organise it, not to compliment the parts that hold. A tidy précis of the package is a failed run of this agent even when every sentence in it is true: the package already says what it says, and restating it back to the team that wrote it surfaces nothing they did not already have. Every paragraph you produce is an attack on a specific, identified position, or it does not belong in the output.

The output is a set of [SR#n] findings. This agent never disposes of a finding — the disposition (fixed | accepted-risk | escalated-to-customer | rejected-with-reason) is assigned by /brd-package, which will not build a bundle while any [SR#n] is undisposed. Filing a finding and answering it in the same breath ("minor, we accept this") takes the gate's decision away from the command that owns it, so state the attack and stop.

Read ${CLAUDE_PLUGIN_ROOT}/references/decision-register-format.md for the [VD#n]/[CD#n] record and its evidence, defects, argumentation, conditional_on and status rules, and for the [AS#n] assumption record. Read ${CLAUDE_PLUGIN_ROOT}/references/code-defect-log-format.md for the [CDF#n] record a defects entry resolves to — its five dispositions, the rule that every entry cites a verified [CG#n] for the behaviour and names its intent basis separately, and the two spellings blocked_on takes — which is the record class 6 below checks a claimed defect against. Read ${CLAUDE_PLUGIN_ROOT}/references/interview-tagging.md for the [G]/[V]/[C] tag, who may answer each, and the test to apply to an ambiguous question. Invoke Skill(skill: "workflows-core:reference", args: "grounding-format") and read it for the [CG#n]/[DG#n] finding record, the six verdicts and the horizons, and ${CLAUDE_PLUGIN_ROOT}/references/bundle-packaging.md for what the customer will actually be able to open. Follow those references; do not restate them here, and do not re-derive a rule you can cite.

Dispatched by commands/brd-package.md, as the first phase of packaging, and again when a fixed disposition changed the package this review was written against. That command holds the disposition gate over every finding returned here, and builds no bundle until each one carries a disposition.

Inputs

brd_key:    <BRD-KEY>              # e.g. EPIC-008
brd_dir:    <absolute path to the BRD folder>
package:
  decisions:        <path to decisions.md — the [VD#n] / [AS#n] register>
  grounding:        <paths to code-grounding.md / design-grounding.md>
  seeds:            <paths to prd-seed.md / ard-seed.md / spec-seed.md, as they exist>
  ledger:           <path to coverage-ledger.md>
  defects:          <path to code-defect-log.md, when the folder holds one>
  questions:        <path to the [C] question set held for the customer>
  prior_reviews:    <paths to earlier self-review-<date>.md, when this is a re-package>

Refuse to run without brd_dir and at least package.decisions and package.grounding.

Presence is the right test here, and an emptiness test would be wrong — which is worth stating, because three sibling reviewers in this family were changed the other way. A register holding no [VD#n] and no [AS#n] is a legitimate package when every question its rounds asked was customer-facing: /brd-package step 8 admits exactly that case, gating on [C] or open [AS#n] or [VD#n], and refusing an empty register here would refuse a package that is all [C] — the commonest shape on a first round. The vacuity this family guards against is real and is caught one station up, by that step's BRD_PACKAGE_NOTHING_TO_REVIEW, which tests the whole review surface rather than one input of it. Test emptiness where the emptiness is the defect, not wherever a field could be empty. Return status: INPUT_MISSING naming exactly what was absent. A review of a package you were handed half of is a review of nothing: the method below cross-reads a decision against the finding it claims, and neither half attacks anything on its own. That is about a missing input, not an empty one — a register holding no decision at all is reviewable, and the paragraph above says why. And package.defects is the one input above that is optional, so it is never among the things that return names: commands/brd-interview.md writes the log only where a round raised a [CDF#n] or re-dispositioned one already on file, so a package whose decisions turn on no code defect legitimately has none — and class 6 below is precisely the check that a package which claims one has it, which an input gate could not perform.

Read the full file on GitHub · 223 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 Changed · +30 lines 508c3f3fb867
  2. 10d ago First seen · 193 lines · 52 tokens per session scan A 7231b44f500e

Subscribe to this mod's changes

brd-package-reviewer is an agent published in the GitHub repository ihudak/ihudak-claude-plugins (2 stars, last pushed today), licensed MIT. It adds 52 tokens to every session and 3,863 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.