claudeindex
Plugin

system-decomposition

C4 Level 2 + Level 3 system decomposition. Per container: technology, purpose, responsibilities, APIs exposed + consumed, data stores, deployment, scaling, tenant model, ownership. Per container relationship: protocol + purpose + synchronicity + failure mode + rate. L3 scopes to one container with typed components (controller / service / repository / adapter). Avoids L4 code details. Mermaid diagrams with optional PNG export.

Installation

1

Add the marketplace

/plugin marketplace add SSiertsema/claude-code-plugins
2

Install plugins

/plugin

Run these commands in Claude Code to add this plugin to your environment. The marketplace must be added before you can install its plugins.

Repository & Links

Plugin Source

View Plugin Code

GitHub Repository

SSiertsema/claude-code-plugins

Details & Metadata