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.
npx skills add QBall-Inc/the-bulwark --skill anthropic-validatorgit clone --depth 1 https://github.com/QBall-Inc/the-bulwarkWrote 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.
[](https://agentmods.dev/skills/qball-inc/the-bulwark/anthropic-validator)<a href="https://agentmods.dev/skills/qball-inc/the-bulwark/anthropic-validator"><img src="https://agentmods.dev/badge/skills/qball-inc/the-bulwark/anthropic-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.
<a href="https://agentmods.dev/skills/qball-inc/the-bulwark/anthropic-validator"><img src="https://agentmods.dev/badge/skills/qball-inc/the-bulwark/anthropic-validator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 3 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Agent Snooping · line 59 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
- medium Agent Snooping · line 397 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
- medium Agent Snooping · line 331 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00040 | $0.04555 |
| Opus 5 | $0.00020 | $0.02278 |
| Sonnet 5 | $0.00008 | $0.00911 |
| Haiku 4.5 | $0.00004 | $0.00456 |
Grade A, and why
anthropic-validator 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.
How it starts
The opening of the file, as written. The whole thing — 504 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Anthropic Validator
Validates Claude Code assets against official Anthropic standards using dynamic documentation fetching and critical analysis.
Overview
The Problem
Claude Code evolves rapidly. Static checklists become outdated. Assets created months ago may violate current standards, and new features may not be reflected in embedded validation rules.
The Solution
This skill provides dynamic validation by:
- Fetching latest standards from official Claude Code documentation
- Critically analyzing assets against those standards
- Producing actionable reports with specific violations and remediation
Design Pattern: Main Context Orchestration
This skill uses Main Context Orchestration — you (Claude) follow the instructions below to orchestrate sub-agents sequentially. This is required because sub-agents cannot spawn other sub-agents.
┌─────────────────────────────────────────────────────────────┐
│ MAIN CONTEXT (You) │
│ │
│ 1. Load this skill (anthropic-validator) │
│ 2. Determine asset type → load matching references file │
│ 3. Spawn claude-code-guide → fetch latest standards │
│ 4. Read output (direct response) │
│ 5. Spawn bulwark-standards-reviewer → analyze asset │
│ 6. Read validation report from logs/validations/ │
│ 7. Present summary to user │
│ │
└─────────────────────────────────────────────────────────────┘
Invocation
# Single asset validation
/anthropic-validator skills/my-skill/SKILL.md
# Batch validation (directory)
/anthropic-validator skills/
# Context inference (validates current file in context)
/anthropic-validator
Validation Workflow
Step 0: Resolve Target Asset
IMPORTANT: When this skill is invoked, first resolve what to validate:
What ships with it
12 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- references/agents-checklist.md 3.7 KB
- references/agents-validation.md 5.0 KB
- references/commands-checklist.md 2.4 KB
- references/commands-validation.md 1.4 KB
- references/hooks-checklist.md 5.5 KB
- references/hooks-validation.md 4.0 KB
- references/mcp-checklist.md 2.8 KB
- references/mcp-validation.md 1.1 KB
- references/plugins-checklist.md 4.4 KB
- references/plugins-validation.md 2.9 KB
- references/skills-checklist.md 4.3 KB
- references/skills-validation.md 4.5 KB
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.
- 10d ago First seen · 504 lines · 40 tokens per session scan A 6df136fb37db
anthropic-validator is a skill published in the GitHub repository QBall-Inc/the-bulwark (8 stars, last pushed today), licensed MIT. It adds 40 tokens to every session and 4,555 once invoked, about $0.0002 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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