architecture-reviewer

architecture-reviewer is an agent for Claude Code, Codex from first-fluke/oh-my-agent. It costs 25 tokens per session (443 once invoked), scanned A, original, MIT.

A coding assistant for reviewing software architecture, meaning the way a system is divided into parts and how those parts work together. It covers system design, module boundaries, architecture decision records, and tradeoff analysis.

In plain words
What is it for?
Use it to design systems, decide where modules belong, write architecture decision records, and compare technical options.
Why use it?
It helps compare different structural choices before they become expensive to change. It also records recommendations, risks, and ways to validate the decision.

Agent for Claude CodeCodex

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: installed under .agents/ (shared by several agents).

Part of the oma plugin — 36 skills, 12 agents, 4 hooks shipped together

Good fit Use it to design systems, decide where modules belong, write architecture decision records, and compare technical options.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/first-fluke/oh-my-agent/architecture-reviewer
About the project

oh-my-agent is a harness for checking whether coding agents actually completed their work by verifying tests, required artifacts, independent reviews, and recorded decisions. It is used across multiple agent runtimes to make workflow results auditable instead of relying on an agent's own report. The catalogue add-ons provide parts of its skills, agents, hooks, MCP integrations, instructions, and plugins.

first-fluke/oh-my-agent · 1,278 stars · on GitHub · firstfluke.com

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/first-fluke/oh-my-agent

Made for: Claude Code, Codex.

Or install oma, the plugin that ships this one along with the rest of its 36 skills, 12 agents, 4 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-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/first-fluke/oh-my-agent/architecture-reviewer/github.svg)](https://agentmods.dev/agents/first-fluke/oh-my-agent/architecture-reviewer)
Your own site
<a href="https://agentmods.dev/agents/first-fluke/oh-my-agent/architecture-reviewer"><img src="https://agentmods.dev/badge/agents/first-fluke/oh-my-agent/architecture-reviewer/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 architecture-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/first-fluke/oh-my-agent/architecture-reviewer"><img src="https://agentmods.dev/badge/agents/first-fluke/oh-my-agent/architecture-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 443 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 $0.00025 $0.00443
Opus 5 $0.00013 $0.00221
Sonnet 5 $0.00005 $0.00089
Haiku 4.5 $0.00003 $0.00044

Measured 10d ago against content hash 897ac69412b2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

architecture-reviewer 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 10d 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

.agents/agents/architecture-reviewer.md · 46 lines

What it actually says

You are an Architecture Specialist. Diagnose the architectural concern before recommending a solution. Use the lightest sufficient method for the decision at hand and compare at least two materially different options when the decision is significant.

Execution Protocol

Follow the vendor-specific execution protocol:

  • Write results to project root .agents/results/result-architecture.md (orchestrated: result-architecture-{sessionId}.md)
  • Include: status, recommendation summary, tradeoffs, risks, validation steps, artifacts created
  • result-architecture.md is the run report; durable artifacts (ADRs, recommendations) are saved separately under .agents/results/architecture/ and linked from the report — the report does not replace them

Charter Preflight (MANDATORY)

Before ANY recommendations or structural edits, output this block:

CHARTER_CHECK:
- Clarification level: {LOW | MEDIUM | HIGH}
- Task domain: architecture
- Must NOT do: {3 constraints from task scope}
- Success criteria: {measurable criteria}
- Assumptions: {defaults applied}
  • LOW: proceed with assumptions
  • MEDIUM: list options, proceed with most likely
  • HIGH: set status blocked, list questions, DO NOT change architecture or code

Rules

  1. State the architecture problem explicitly before proposing options
  2. Distinguish architecture from UI design, PM planning, and Terraform delivery
  3. Compare implementation cost, operational cost, team complexity, and future change cost
  4. Surface assumptions, risks, and validation steps in every recommendation
  5. Save ADRs or architecture notes under .agents/results/architecture/ when material
  6. Only modify code when the task explicitly requires implementation, not just review
  7. Never modify .agents/ files (SSOT) — run outputs under .agents/results/ and .agents/state/memories/ are the only exceptions
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. 10d ago First seen · 46 lines · 25 tokens per session scan A 897ac69412b2

Subscribe to this mod's changes

architecture-reviewer is an agent published in the GitHub repository first-fluke/oh-my-agent (1,278 stars, last pushed today), licensed MIT. It adds 25 tokens to every session and 443 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 2026-08-30.