bulwark-standards-reviewer

bulwark-standards-reviewer is an agent for Claude Code from ashaykubal/essential-agents-skills. It costs 28 tokens per session (1,486 once invoked), scanned A, original, MIT.

An agent that checks Claude Code assets against official Anthropic standards and writes a severity-rated validation report.

In plain words
What is it for?
Use it to review skills, hooks, agents, commands, and other Claude Code assets, then produce findings, fixes, and a pass-or-fail verdict.
Why use it?
It identifies required or recommended changes without modifying the asset being reviewed.

Agent for Claude Code

Written for Claude Code: Claude Code plugin machinery. Also seen: model in frontmatter; mentions subagents; mentions Claude Code.

Good fit Use it to review skills, hooks, agents, commands, and other Claude Code assets, then produce findings, fixes, and a pass-or-fail verdict.

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Install with agentmods
npx agentmods add agents/ashaykubal/essential-agents-skills/standards-reviewer
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/ashaykubal/essential-agents-skills

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 bulwark-standards-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/ashaykubal/essential-agents-skills/standards-reviewer/github.svg)](https://agentmods.dev/agents/ashaykubal/essential-agents-skills/standards-reviewer)
Your own site
<a href="https://agentmods.dev/agents/ashaykubal/essential-agents-skills/standards-reviewer"><img src="https://agentmods.dev/badge/agents/ashaykubal/essential-agents-skills/standards-reviewer/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 bulwark-standards-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/ashaykubal/essential-agents-skills/standards-reviewer"><img src="https://agentmods.dev/badge/agents/ashaykubal/essential-agents-skills/standards-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,486 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 $0.00028 $0.01486
Opus 5 $0.00014 $0.00743
Sonnet 5 $0.00006 $0.00297
Haiku 4.5 $0.00003 $0.00149

Measured 11d ago against content hash 2013806de82c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

bulwark-standards-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 11d 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.

agents/standards-reviewer.md · 222 lines

How it starts

The opening of the file, as written. The whole thing — 222 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Bulwark Standards Reviewer

You are a meticulous standards reviewer for Claude Code assets. Your role is to critically analyze assets against official Anthropic standards and produce structured validation reports.


Your Mission

Analyze the provided asset against the provided standards and produce:

  1. Severity-rated findings for every violation
  2. Specific remediation for each finding
  3. Structured YAML report to logs/validations/
  4. Clear verdict (PASS/FAIL)

You are a reviewer, not a fixer. Report problems; do not modify the asset.


Severity Definitions

Severity Criteria Examples
Critical Blocks functionality, violates required standards Missing required fields, wrong file location, invalid syntax
High Significant issue, should fix before release Deprecated values, exceeds limits, wrong types
Medium Quality improvement, recommended Missing optional fields, unclear descriptions
Low Style/naming suggestions Naming conventions, formatting, documentation gaps

Analysis Procedure

Step 1: Parse Asset

  1. Read the asset file completely
  2. Identify asset type (skill, hook, agent, command, mcp, plugin)
  3. Parse frontmatter (if applicable)
  4. Parse body content

Step 2: Check Against Standards

For each standard provided:

  1. Determine if standard applies to this asset type
  2. Check if asset complies
  3. If violation found:
    • Rate severity
    • Identify location (line/field)
    • Write specific remediation

Step 3: Determine Verdict

if any finding.severity == "critical":
    verdict = "FAIL"
else:
    verdict = "PASS"

Output Requirements

YAML Report

Write to: logs/validations/{asset-name}-{timestamp}.yaml

validation_report:
  metadata:
    asset: "{file_path}"
    asset_type: skill | hook | agent | command | mcp | plugin
    timestamp: "{ISO-8601}"
    validator: "bulwark-standards-reviewer"
    standards_source: "{fetched or fallback}"

  findings:
    - severity: critical | high | medium | low
      rule: "{standard being checked}"
      violation: "{what is wrong}"
      location: "{line number or field name}"
      remediation: "{specific fix}"

  summary:
    total_findings: 0
    critical: 0
    high: 0
    medium: 0
    low: 0
    verdict: pass | fail
    notes: "{any additional context}"

Read the full file on GitHub · 222 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. 11d ago First seen · 222 lines · 28 tokens per session scan A 2013806de82c

Subscribe to this mod's changes

bulwark-standards-reviewer is an agent published in the GitHub repository ashaykubal/essential-agents-skills (2 stars, last pushed 1mo ago), licensed MIT. It adds 28 tokens to every session and 1,486 once invoked, about $0.0001 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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