architecture

architecture is a skill for Claude Code, Codex from andrewcigan/vibe-dev-plugin. It costs 69 tokens per session (734 once invoked), scanned A, original, MIT.

A first-pass system architecture workflow that limits the design to a small set of components, maps their relationships, states key rules, and identifies major risks.

In plain words
What is it for?
Use it to create an initial architecture document with a Mermaid diagram, system invariants, and the three most important risks.
Why use it?
It makes the main structure and constraints visible before implementation, while requiring research first unless the user explicitly skips it.

Skill for Claude CodeCodex

Part of the vibe-dev plugin — 29 skills, 24 agents, 7 hooks shipped together

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.

agentmods
npx agentmods add skills/andrewcigan/vibe-dev-plugin/architecture
Any agent
npx skills add andrewcigan/vibe-dev-plugin --skill architecture
Clone the repo
git clone --depth 1 https://github.com/andrewcigan/vibe-dev-plugin

Made for: Claude Code, Codex.

Or install vibe-dev, the plugin that ships this one along with the rest of its 29 skills, 24 agents, 7 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 architecture

README.md
[![agentmods](https://agentmods.dev/badge/skills/andrewcigan/vibe-dev-plugin/architecture.svg)](https://agentmods.dev/skills/andrewcigan/vibe-dev-plugin/architecture)
Your own site
<a href="https://agentmods.dev/skills/andrewcigan/vibe-dev-plugin/architecture"><img src="https://agentmods.dev/badge/skills/andrewcigan/vibe-dev-plugin/architecture.svg" alt="Measured on agentmods" height="20"></a>
Per session 69 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 734 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00069 $0.00734
Opus 5 $0.00034 $0.00367
Sonnet 5 $0.00014 $0.00147
Haiku 4.5 $0.00007 $0.00073

Measured 4d ago against content hash 333152fda16c, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

architecture 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 4d 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.

skills/architecture/SKILL.md · 62 lines

What it actually says

/architecture

V0 архитектура через architect agent.

Шаг 0 — ОБЯЗАТЕЛЬНЫЙ рисёрч (v6.2 F6; распоряжение владельца плагина 2026-06-10)

Перед архитектурой — детальный рисёрч best practices + GitHub-репо. Цена архитектурной ошибки для непрограммиста выше цены рисёрча. Hook блокирует запись docs/ARCHITECTURE.md без артефакта рисёрча* (architecture-research-gate).

# Маркер явного пропуска (его ставит ТОЛЬКО хук по фразе пользователя «пропусти рисёрч»):
if [ -f .harness/locks/research-skipped ]; then
  cat .harness/locks/research-skipped   # покажи цитату, потом ПОТРЕБИ маркер (одноразовый):
  rm .harness/locks/research-skipped
  # → рисёрч пропущен, иди к шагу 1
fi

Если маркера нет — запусти ПАРАЛЛЕЛЬНО двух агентов (они уже в плагине):

  • github-researcher — ≥3 репо похожих систем, ≥1 клонировать и разобрать паттерны/анти-паттерны
  • best-practices-researcher — ≥5 свежих практик по проблемным классам проекта

Сведи результаты в docs/research/architecture-research.md. Глубина по размеру проекта: S (лендинг/прототип) — короткий обзор (по 1-2 источника на агента); M/L — полный. НЕ спрашивай пользователя «делать ли рисёрч» — дефолт ДА; пропуск только его явной фразой.

Что происходит

  1. Subagent architect (Opus) читает CLAUDE.md, PRODUCT.md, domain-rules.yaml, docs/research/* (теперь и в FAST)
  2. Identify bottleneck (TOC) — узкое место для главной функции
  3. ≤10 компонентов (Karpathy Simplicity First)
  4. Mermaid-диаграмма data flow
  5. Invariants из domain-rules → архитектурные constraints
  6. Top-3 риска с mitigation

Output

  • docs/ARCHITECTURE.md
  • docs/PRODUCT.md (если ещё не было)

Stage verifier check

После /architecture — stage-verifier подтверждает:

  • Bottleneck явно указан
  • Компонентов ≤10
  • Mermaid присутствует

Дальше

/choose-stack — стек под bottleneck.

Quality Gate

Финальное сообщение без technical A/B. Прямой: «архитектура готова, узкое место — X, дальше /choose-stack».

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. 4d ago First seen · 62 lines · 69 tokens per session scan A 333152fda16c

Subscribe to this mod's changes

architecture is a skill published in the GitHub repository andrewcigan/vibe-dev-plugin (5 stars, last pushed 1mo ago), licensed MIT. It adds 69 tokens to every session and 734 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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