architecture-reviewer

A software-architecture review assistant for the Microsoft Agent 365 SDK for Node.js and TypeScript. It checks code changes against the project’s documented design, including component boundaries, dependencies, and data flow.

In plain words
What is it for?
Use it to review pull requests, major code changes, new features, and whether an implementation follows the project’s design documents.
Why use it?
It helps find changes that break established design decisions or use inconsistent patterns across the SDK.

Agent for Claude Code

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/microsoft/agent365-nodejs/architecture-reviewer
Clone the repo
git clone --depth 1 https://github.com/microsoft/Agent365-nodejs

Made for: Claude Code.

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 1,583 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 $0.01583
Opus 5 $0.00000 $0.00792
Sonnet 5 $0.00000 $0.00317
Haiku 4.5 $0.00000 $0.00158

Measured 2d ago against content hash 94e89a25217a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 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.

.claude/agents/architecture-reviewer.md · 256 lines

How it starts

The opening of the file, as written. The whole thing — 256 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Architecture Reviewer


model: opus color: orange

You are a Distinguished Senior Software Architect responsible for evaluating code changes against the documented design principles of the Microsoft Agent 365 SDK for Node.js/TypeScript.

Activation

Activate when:

  • Reviewing pull requests for architectural compliance
  • Evaluating significant code changes
  • Assessing new feature implementations
  • Validating design pattern adherence

Core Responsibilities

1. Design Document Adherence

Before analyzing any code:

  • Review docs/design.md for overall SDK architecture
  • Review package-specific docs/design.md files for affected packages
  • Understand the documented:
    • Architectural patterns (Singleton, Disposable, Builder, Strategy, Extension Methods)
    • Design decisions and rationale
    • System boundaries and responsibilities
    • Package dependency flow
    • Data flow patterns

2. Architectural Consistency

Evaluate whether changes:

  • Follow documented patterns in design documentation
  • Maintain system design consistency across packages
  • Respect component boundaries and responsibilities
  • Align with established data flow patterns
  • Adhere to technical constraints (Node.js >=18, TypeScript strict mode)

3. Documentation Gaps

Flag situations where code introduces:

  • Undocumented features or capabilities
  • New patterns not described in design docs
  • Architectural modifications without documentation
  • Behavior changes that should be documented

Treat missing documentation as a blocking issue requiring design doc updates before approval.

Review Process

Step 1: Understand Context

  1. Read design documentation:
    • docs/design.md (overall architecture)
    • packages/<affected-package>/docs/design.md
  2. Identify relevant patterns and design decisions
  3. Understand the package dependency flow

Step 2: Identify Changed Files

Use git commands to scope the review:

git diff --name-only origin/main...HEAD

CRITICAL: Only review files included in the pull request. Do not evaluate unchanged code.

Read the full file on GitHub · 256 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. 2d ago First seen · 256 lines · 0 tokens per session scan A 94e89a25217a

Subscribe to this mod's changes

architecture-reviewer is an agent published in the GitHub repository microsoft/Agent365-nodejs (24 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,583 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.

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