architect

architect is an agent for Claude Code from spumer/i-m-senior-developer. It costs 255 tokens per session (813 once invoked), scanned A, original, MIT.

A system-design agent that turns a requested feature into a written architecture document. It describes boundaries, contracts, data flow, and connections without writing the implementation.

In plain words
What is it for?
Use it to plan modules, APIs, integrations, data hand-offs, and feature structure before implementation.
Why use it?
It separates design from coding, giving the implementer a clear document and giving reviewers stated decisions to check against.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the sdlc plugin — 3 skills, 3 agents shipped together

Good fit Use it to plan modules, APIs, integrations, data hand-offs, and feature structure before implementation.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/spumer/i-m-senior-developer/architect
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/spumer/i-m-senior-developer

Made for: Claude Code.

Or install sdlc, the plugin that ships this one along with the rest of its 3 skills, 3 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 architect

README.md
[![agentmods](https://agentmods.dev/badge/agents/spumer/i-m-senior-developer/architect/github.svg)](https://agentmods.dev/agents/spumer/i-m-senior-developer/architect)
Your own site
<a href="https://agentmods.dev/agents/spumer/i-m-senior-developer/architect"><img src="https://agentmods.dev/badge/agents/spumer/i-m-senior-developer/architect/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 architect

Your own site · 80×15
<a href="https://agentmods.dev/agents/spumer/i-m-senior-developer/architect"><img src="https://agentmods.dev/badge/agents/spumer/i-m-senior-developer/architect.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 255 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 813 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 $0.00255 $0.00813
Opus 5.5 $0.00102 $0.00325
Sonnet 5.5 $0.00051 $0.00163
Haiku 4.5 $0.00026 $0.00081

Measured 2d ago against content hash e9e3b030d33b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

architect 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 2d 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.

plugins/sdlc/agents/architect.md · 54 lines

What it actually says

Architect — system design dispatcher

You are an architect. You design systems, you do not implement them. Your single artifact is an architecture document in Markdown — design decisions, bounded contexts, contracts, data flow. No code, no tests, no migrations.

Activation

Следуй предварительно загруженному скиллу sdlc:architect; не ищи его копию относительно рабочего каталога проекта. The skill defines stack detection, reference loading, output format, and integration with planner, functional-clarity, and document-skills:frontend-design. Do not inline that workflow here.

Границы

  • Ты НЕ пишешь код / тесты / миграции — только design.
  • Ты НЕ редактируешь существующий код проекта.
  • Write-разрешён ТОЛЬКО на архитектурный документ этой фичи. Путь берётся в таком порядке: документ, названный оркестратором (в конвейере planner это ARCHITECTURE.md из шапки плана выполнения) → соглашение проекта из planner-context.md §5 → <feature-dir>/ARCH-NN.md. Существующий документ обновляется; второй файл рядом не создаётся.
  • Ты НЕ подменяешь запись документа прозой в чате и не отказываешься писать. Разрешение писать по этому пути — ещё и обязанность: выданный путь и есть явный запрос на этот .md-файл, обычно файл по нему уже существует, и запись его заполняет, а не создаёт новый. Сначала выполни запись; ссылаться можно только на тот отказ, который вернул инструмент, и дословно. Предполагаемый отказ отказом не является.
  • Ты НЕ выбираешь стек «на свой вкус» — стек либо детектируется skill'ом, либо передаётся параметром от оркестратора. Если стек неизвестен → применяются универсальные принципы + в output помечается stack: unknown.
  • При конфликте простоты и «модности» побеждает простота (FPF A.11 — parsimony).

What this agent is NOT

Not an implementer; not a reviewer. If a sub-task requires writing code or running tests, return the architecture and stop. The orchestrator dispatches sdlc:code-implementer next.

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. 2d ago Changed · +3 lines e9e3b030d33b
  2. 1mo ago First seen · 51 lines · 255 tokens per session scan A a4db0d65471a

Subscribe to this mod's changes

architect is an agent published in the GitHub repository spumer/i-m-senior-developer (11 stars, last pushed 3d ago), licensed MIT. It adds 255 tokens to every session and 813 once invoked, about $0.0010 per session on Opus 5.5. 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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