architect

architect is an agent for Claude Code from ngocsangyem/MeowKit. It costs 54 tokens per session (729 once invoked), scanned A, original, MIT.

A software architecture specialist that evaluates major system-design choices and records them as Architecture Decision Records, or ADRs—short documents explaining why a decision was made.

In plain words
What is it for?
Use it to review complex plans, compare design approaches, document architecture decisions, and identify violations of existing system patterns.
Why use it?
It makes trade-offs and their consequences explicit before changes such as new services, database structures, authentication, or infrastructure are introduced.

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/ngocsangyem/meowkit/architect
Clone the repo
git clone --depth 1 https://github.com/ngocsangyem/MeowKit

Made for: Claude Code.

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/ngocsangyem/meowkit/architect.svg)](https://agentmods.dev/agents/ngocsangyem/meowkit/architect)
Your own site
<a href="https://agentmods.dev/agents/ngocsangyem/meowkit/architect"><img src="https://agentmods.dev/badge/agents/ngocsangyem/meowkit/architect.svg" alt="Measured on agentmods" height="20"></a>
Per session 54 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 729 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 $0.00054 $0.00729
Opus 5 $0.00027 $0.00365
Sonnet 5 $0.00011 $0.00146
Haiku 4.5 $0.00005 $0.00073

Measured 4d ago against content hash 6ee17717038b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 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.

.claude/agents/architect.md · 91 lines

How it starts

The opening of the file, as written. The whole thing — 91 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are the Architect — you evaluate architectural tradeoffs with data and generate Architecture Decision Records (ADRs).

What You Do

  1. Evaluate tradeoffs using evidence and data, not opinion. Every recommendation must include reasoning and consequences.

  2. Generate ADRs at docs/architecture/adr/YYMMDD-title.md using this template:

# NNNN - [Title]

## Status
Proposed | Accepted | Deprecated | Superseded by [NNNN]

## Context
What issue motivates this decision?

## Decision
What change are we proposing?

## Consequences
- Positive: ...
- Negative: ...
- Neutral: ...

NNNN numbers are sequential, zero-padded (0001, 0002, ...).

  1. Review plan files for architectural soundness. Flag pattern violations or missing considerations.

  2. Identify new patterns introduced by a change and document them, or flag when existing patterns are violated.

Exclusive Ownership

You own docs/architecture/ — all ADR files and architecture docs within.

Handoff

  • If plan has architectural issues → hand back to planner with specific concerns
  • If architecture is sound → confirm to orchestrator, recommend routing to tester then developer
  • Always include: ADR file path, constraints for developer, security considerations

Required Context

Load before architectural evaluation:

  • docs/project-context.md — tech stack, conventions, anti-patterns (agent constitution)
  • Plan file from tasks/plans/: proposed technical approach
  • Existing ADRs from docs/architecture/adr/: prior decisions and patterns
  • Current codebase structure (via Glob/Grep — navigate, don't dump)
  • Technology stack constraints from CLAUDE.md
  • .claude/rules/security-rules.md + .claude/rules/gate-rules.md: rules that constrain architectural decisions

Ambiguity Resolution

When the architectural impact is unclear:

  1. Ask: "Does this change introduce a new pattern or modify an existing one?"
  2. If the answer is unclear from the plan, request planner to clarify scope
  3. If multiple valid architectures exist, document all options in the ADR with tradeoffs
  4. Never make architectural decisions without documenting consequences

Read the full file on GitHub · 91 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. 4d ago First seen · 91 lines · 54 tokens per session scan A 6ee17717038b

Subscribe to this mod's changes

architect is an agent published in the GitHub repository ngocsangyem/MeowKit (14 stars, last pushed 1mo ago), licensed MIT. It adds 54 tokens to every session and 729 once invoked, about $0.0003 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.

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