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 HoangNguyen0403/agent-skills-standard --skill common-architecture-auditgit clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standardWrote 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/hoangnguyen0403/agent-skills-standard/common-architecture-audit)<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/common-architecture-audit"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/common-architecture-audit/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/hoangnguyen0403/agent-skills-standard/common-architecture-audit"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/common-architecture-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00047 | $0.00628 |
| Opus 5 | $0.00023 | $0.00314 |
| Sonnet 5 | $0.00009 | $0.00126 |
| Haiku 4.5 | $0.00005 | $0.00063 |
Grade A, and why
common-architecture-audit 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 9d 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.
What it actually says
Architecture Audit
Priority: P1 (HIGH)
1. Discover Structural Duplication
Identify split sources of truth by searching for redundant directory patterns.
- Compare
Service.tsvsServiceNew.tsvsServiceV2.ts. - Check for
/v1,/v2or "Refactor" folders.
See implementation examples for detection scripts.
2. Detect Logic Leakage (by Ecosystem)
Find business logic trapped in wrong layer.
- Web (React/Next.js/Vue):
grep -rE "useEffect|useState|useMemo" components --include="*.tsx" | wc -l— ifcomponents/hook count > 20xhooks/folder, architecture monolithic. - Mobile (Flutter/React Native):
grep -rE "http\.|dio\.|socket\." lib/widgets --include="*.dart" | wc -l— I/O or state mutation > 5 lines inbuild()High Debt. - Backend (NestJS/Go/Spring):
grep -rE "Repository\.|Query\.|db\." src/controllers --include="*.ts" | wc -l— Controllers must only handle request parsing and response formatting.
3. Identify Monoliths
Flag massive files violating Single Responsibility Principle.
- UI: > 500 lines (Medium), > 1,000 lines (Critical).
- Backend Services: > 1,500 lines indicates "God Class".
See implementation examples for monolith detection scripts.
4. Audit Resource Performance
Check for large metadata or constants impacting IDE performance and binary size.
- Resources > 1,000 lines require granulation.
See implementation examples for resource audit scripts.
Scoring Impact
- Layer Violation: -15 per business logic instance in UI/Controller layer.
- Structural Fragmentation: -10 per duplicated legacy entity.
- Monoliths: -10 per unit > 1,000 lines.
Anti-Patterns
- No applying generic patterns over project-specific rules: Respect existing architecture constraints.
- No ignoring error handling or edge cases: Audit must cover boundary conditions.
References
What ships with it
4 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.
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.
- 9d ago First seen · 70 lines · 47 tokens per session scan A f2d4ea28d428
common-architecture-audit is a skill published in the GitHub repository HoangNguyen0403/agent-skills-standard (565 stars, last pushed 3d ago), licensed MIT. It adds 47 tokens to every session and 628 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 2026-09-03.
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