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claude-code-mastery-project-starter-kit: Command for Claude Code

.claude/commands/architecture.md

architecture is a command for Claude Code from TheDecipherist/claude-code-mastery-project-starter-kit. It costs 6 tokens per session (169 once invoked), scanned A, original, MIT.

A command that displays a project’s system architecture and data flow by reading its architecture and infrastructure documents. If they are missing, it suggests what authoritative documents to create.

In plain words
What is it for?
Use it to inspect the service map, data flow, ports, technology choices, and missing architecture documentation.
Why use it?
It helps developers understand service responsibilities and boundaries before changing the system.

Command for Claude Code

Written for Claude Code: installed under .claude/.

This is TheDecipherist/claude-code-mastery-project-starter-kit's own configuration. It tells Claude Code how to work on claude-code-mastery-project-starter-kit itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything claude-code-mastery-project-starter-kit configures →

not rated 342repo +2 4mo ago A scan 6 tokens original MIT
View source ↗ TheDecipherist/claude-code-mastery-project-starter-kit thedecipherist.github.io
Reuse

Borrowing it

Nothing to install: this file belongs to TheDecipherist/claude-code-mastery-project-starter-kit. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/TheDecipherist/claude-code-mastery-project-starter-kit/main/.claude/commands/architecture.md
Clone the repo
git clone --depth 1 https://github.com/TheDecipherist/claude-code-mastery-project-starter-kit

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 architecture

README.md
[![agentmods](https://agentmods.dev/badge/commands/thedecipherist/claude-code-mastery-project-starter-kit/architecture/github.svg)](https://agentmods.dev/commands/thedecipherist/claude-code-mastery-project-starter-kit/architecture)
Your own site
<a href="https://agentmods.dev/commands/thedecipherist/claude-code-mastery-project-starter-kit/architecture"><img src="https://agentmods.dev/badge/commands/thedecipherist/claude-code-mastery-project-starter-kit/architecture/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

Your own site · 80×15
<a href="https://agentmods.dev/commands/thedecipherist/claude-code-mastery-project-starter-kit/architecture"><img src="https://agentmods.dev/badge/commands/thedecipherist/claude-code-mastery-project-starter-kit/architecture.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 6 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 169 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 $0.00006 $0.00169
Opus 5.5 $0.00002 $0.00068
Sonnet 5.5 $0.00001 $0.00034
Haiku 4.5 $0.00001 $0.00017

Measured 2mo ago against content hash 68e76ceb956a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, 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 2mo 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/commands/architecture.md · 28 lines

What it actually says

System Architecture

Display the current system architecture.

Instructions

  1. Read project-docs/ARCHITECTURE.md
  2. Read project-docs/INFRASTRUCTURE.md (if exists)
  3. Display the architecture overview, data flow, and service map

If these documents don't exist yet, suggest creating them with:

  • ASCII architecture diagram showing data flow
  • Service responsibility table (Does / Does NOT)
  • Port assignments
  • Technology choices and WHY they were chosen

Reminder

Architecture docs should be AUTHORITATIVE:

  • "This document is AUTHORITATIVE. No exceptions."
  • Use "If you are about to... STOP" pattern for boundaries
  • Include "Does / Does NOT" tables to prevent scope creep
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. 2mo ago First seen · 28 lines · 6 tokens per session scan A 68e76ceb956a

Subscribe to this mod's changes

architecture is a command published in the GitHub repository TheDecipherist/claude-code-mastery-project-starter-kit (342 stars, last pushed 4mo ago), licensed MIT. It adds 6 tokens to every session and 169 once invoked, about $0.0000 per session on Opus 5.5. 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.

Planning
Related

architecture compared with commands from other repositories

architecture next to 6 commands from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
architectureTheDecipherist/claude-code-mastery-project-starter-kitCommand3424mo agoMITA6Claude Code
checklistgithub/spec-kitCommand148kyesterdayMITA13Claude Code
clarifygithub/spec-kitCommand148kyesterdayMITA27Claude Code
specifygithub/spec-kitCommand148kyesterdayMITA13Claude Code
analyzegithub/spec-kitCommand148kyesterdayMITA26Claude Code
convergegithub/spec-kitCommand148kyesterdayMITA35Claude Code
implementgithub/spec-kitCommand148kyesterdayMITA14Claude Code