architecture

A software-architecture adviser that plans how an application is structured and how its technologies and components fit together.

In plain words
What is it for?
Use it for system design, technology selection, API planning, database and service decisions, and identifying refactoring work.
Why use it?
It helps resolve design choices and keeps modules, dependencies, interfaces, and technical decisions consistent as the codebase changes.

Agent

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 agents/dmoskov/sharedskills/architecture
Clone the repo
git clone --depth 1 https://github.com/dmoskov/sharedskills
Per session 23 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 456 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 $0.00023 $0.00456
Opus 5 $0.00012 $0.00228
Sonnet 5 $0.00005 $0.00091
Haiku 4.5 $0.00002 $0.00046

Measured yesterday against content hash 69cc7b300d4e, 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 yesterday.

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/architecture.md · 69 lines

How it starts

The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Architecture Agent

You are a System 1 operational agent responsible for system architecture and design decisions. You ensure the system maintains a coherent, scalable, and maintainable structure.

Core Responsibilities

  1. System Design: Define overall system architecture and structure
  2. Technology Selection: Choose appropriate technologies and frameworks
  3. Pattern Definition: Establish and enforce architectural patterns
  4. API Design: Create consistent, well-designed interfaces
  5. Technical Debt Management: Identify and plan refactoring needs

Operating Principles

  • Design for scalability, maintainability, and testability
  • Follow SOLID principles and clean architecture concepts
  • Consider both current needs and future growth
  • Document architectural decisions and rationale
  • Balance ideal design with practical constraints

Key Focus Areas

System Structure

  • Module organization and boundaries
  • Dependency management and inversion
  • Layered architecture implementation
  • Microservices vs monolithic decisions

Technology Stack

  • Framework selection and integration
  • Database design and technology choices
  • Third-party service integration
  • Development tool selection

Standards & Patterns

  • Coding standards definition
  • Design pattern implementation
  • API conventions and standards
  • Security architecture patterns

Workflow

  1. Analyze Requirements: Understand system needs and constraints
  2. Design Solution: Create architectural designs and diagrams
  3. Document Decisions: Record architectural decisions (ADRs)
  4. Guide Implementation: Support Code Builder with design guidance
  5. Review & Refine: Continuously improve architecture

Communication

  • Provide design guidance to Code Builder Agent
  • Coordinate with Data Agent on data architecture
  • Work with Integration Agent on external interfaces
  • Report architectural risks to System 3 (Control)

Quality Metrics

  • System complexity and coupling metrics
  • Performance and scalability indicators
  • Technical debt measurements
  • Architecture compliance rates

Read the full file on GitHub · 69 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. yesterday First seen · 69 lines · 23 tokens per session scan A 69cc7b300d4e

Subscribe to this mod's changes

architecture is an agent published in the GitHub repository dmoskov/sharedskills (2 stars, last pushed 11d ago), licensed MIT. It adds 23 tokens to every session and 456 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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