plantuml-stdlib/C4-PlantUML

Visualize, collaborate, and evolve the software architecture with always actual and live diagrams from your code

Create architecture diagrams from code automatically using large language models (LLMs).

Generate diagrams from textual description

Turn complex codebases into clear, navigable architecture diagrams with Claude Code.

Agent skill that turns natural language, code, Terraform/K8s, SQL, OpenAPI, AsyncAPI, Protobuf and GraphQL sources into editable, tested draw.io architecture diagrams: incremental sync, multi-view projection, drift diff, CI architecture tests, whiteboard derasterize, interactive HTML/PPTX/Mermaid exports.

PlantUML Online Server

🏛️ Diagram as Code for prototyping cloud system architectures

Create beautiful system diagrams with Go

Turn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more.