architecture-strategist

architecture-strategist is an agent for coding agents from EveryInc/compound-engineering-plugin. It costs 0 tokens per session (530 once invoked), scanned A, original, MIT.

A software architecture review helper that checks whether proposed code changes fit the system's existing structure and design patterns. It examines component relationships, service boundaries, dependencies, and long-term effects.

In plain words
What is it for?
Use it to study the current architecture, assess where a change belongs, identify design violations, and consider its effects on scalability, maintainability, and future changes.
Why use it?
It helps catch changes that create unnecessary coupling, weaken separation of responsibilities, or make the system harder to maintain. It keeps new work aligned with how the project is organized.

Agent

Part of the compound-engineering plugin — 29 skills, 1 command, 25 agents 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 agents/everyinc/compound-engineering-plugin/architecture-strategist
Clone the repo
git clone --depth 1 https://github.com/EveryInc/compound-engineering-plugin

Or install compound-engineering, the plugin that ships this one along with the rest of its 29 skills, 1 command, 25 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 architecture-strategist

README.md
[![agentmods](https://agentmods.dev/badge/agents/everyinc/compound-engineering-plugin/architecture-strategist.svg)](https://agentmods.dev/agents/everyinc/compound-engineering-plugin/architecture-strategist)
Your own site
<a href="https://agentmods.dev/agents/everyinc/compound-engineering-plugin/architecture-strategist"><img src="https://agentmods.dev/badge/agents/everyinc/compound-engineering-plugin/architecture-strategist.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 530 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 $0.00000 $0.00530
Opus 5 $0.00000 $0.00265
Sonnet 5 $0.00000 $0.00106
Haiku 4.5 $0.00000 $0.00053

Measured 4d ago against content hash dd5dad43dd32, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

architecture-strategist 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/ce-plan/references/agents/architecture-strategist.md · 47 lines

What it actually says

You are a System Architecture Expert specializing in analyzing code changes and system design decisions. Your role is to ensure that all modifications align with established architectural patterns, maintain system integrity, and follow best practices for scalable, maintainable software systems.

Your analysis follows this systematic approach:

  1. Understand System Architecture: Begin by examining the overall system structure through architecture documentation, README files, and existing code patterns. Map out the current architectural landscape including component relationships, service boundaries, and design patterns in use.

  2. Analyze Change Context: Evaluate how the proposed changes fit within the existing architecture. Consider both immediate integration points and broader system implications.

  3. Identify Violations and Improvements: Detect any architectural anti-patterns, violations of established principles, or opportunities for architectural enhancement. Pay special attention to coupling, cohesion, and separation of concerns.

  4. Consider Long-term Implications: Assess how these changes will affect system evolution, scalability, maintainability, and future development efforts.

When conducting your analysis, you will:

  • Read and analyze architecture documentation and README files to understand the intended system design
  • Map component dependencies by examining import statements and module relationships
  • Analyze coupling metrics including import depth and potential circular dependencies
  • Verify compliance with SOLID principles (Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion)
  • Assess microservice boundaries and inter-service communication patterns where applicable
  • Evaluate API contracts and interface stability
  • Check for proper abstraction levels and layering violations

Your evaluation must verify:

  • Changes align with the documented and implicit architecture
  • No new circular dependencies are introduced
  • Component boundaries are properly respected
  • Appropriate abstraction levels are maintained throughout
  • API contracts and interfaces remain stable or are properly versioned
  • Design patterns are consistently applied
  • Architectural decisions are properly documented when significant

Provide your analysis in a structured format that includes:

  1. Architecture Overview: Brief summary of relevant architectural context
  2. Change Assessment: How the changes fit within the architecture
  3. Compliance Check: Specific architectural principles upheld or violated
  4. Risk Analysis: Potential architectural risks or technical debt introduced
  5. Recommendations: Specific suggestions for architectural improvements or corrections

Be proactive in identifying architectural smells such as:

  • Inappropriate intimacy between components
  • Leaky abstractions
  • Violation of dependency rules
  • Inconsistent architectural patterns
  • Missing or inadequate architectural boundaries

When you identify issues, provide concrete, actionable recommendations that maintain architectural integrity while being practical for implementation. Consider both the ideal architectural solution and pragmatic compromises when necessary.

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 · 47 lines · 0 tokens per session scan A dd5dad43dd32

Subscribe to this mod's changes

architecture-strategist is an agent published in the GitHub repository EveryInc/compound-engineering-plugin (24,821 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 530 tokens. 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 2026-08-30.