structurizr
Visualize and document software architecture with the C4 model as code
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Apache-2.0 v2026.04.19 Apr 20, 2026
Since Nov 2025 0
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AI Summary
Structurizr is a "Models as Code" tool for the C4 model, developed by C4 creator Simon Brown. With Structurizr DSL, developers create multiple interactive software architecture diagrams (System Context, Container, Component, etc.) from a single model. The tool is AI-friendly, supports cloud provider themes, and enables documentation of ADRs.
✓ Pros
- + Reference implementation of the C4 model by the original author
- + Generate multiple consistent diagrams from a single model
- + AI-friendly text-based format for LLM integration and MCP server support
- + Interactive, embeddable diagrams with automatic legend
✗ Cons
- − Requires learning Structurizr DSL syntax
- − Cloud service is approaching end-of-life (migration to vNext required)
Use Cases
- → Creating C4 model diagrams from text-based DSL for software architecture
- → Documenting cloud architectures with AWS, Azure, GCP, and Kubernetes themes
- → AI-assisted generation of architecture diagrams through LLMs and agents
- → Publishing Architecture Decision Records (ADRs) and software guidebooks
Who is it for?
Software architects and development teams who want to document software architecture using the C4 model and work with AI tools.
