c4-architecture

Generate architecture documentation using C4 model Mermaid diagrams. Use when asked to create architecture diagrams, document system architecture, visualize software structure, create C4 diagrams, or generate context/container/component/deployment diagrams. Triggers include "architecture diagram", "C4 diagram", "system context", "container diagram", "component diagram", "deployment diagram", "document architecture", "visualize architecture".

1.69x

Quality

86%

Does it follow best practices?

Impact

95%

1.69x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Evaluation results

100%

56%

Document the Architecture of a SaaS Project Management Platform

Output structure and diagram level selection

Criteria

Without context

With context

Output directory

100%

Context file name

100%

Container file name

100%

Context diagram present

100%

Container diagram present

100%

Deployment diagram present

100%

Deployment file name

100%

No unnecessary Component diagram

100%

One diagram per file

100%

Diagram titles present

100%

No dynamic diagram confusion

100%

87%

-2%

Architecture Diagrams for a Healthcare Data API

Element completeness and relationship quality

Criteria

Without context

With context

Element descriptions present

80%

100%

Technology on containers

70%

100%

Action verb relationship labels

100%

Technology on relationships

100%

No bidirectional arrows

100%

Meaningful aliases

100%

External systems as black boxes

100%

50%

Under 20 elements per diagram

100%

Diagram titles

100%

No type label removal

100%

Descriptions under 50 chars

25%

100%

64%

Architecture Documentation for a Multi-Team E-Commerce Order Processing Platform

Microservices and event-driven diagram patterns

Criteria

Without context

With context

Multi-team as systems

100%

Individual Kafka topics

100%

No shared library as container

100%

Deployment diagram for infra

100%

No infra in container diagram

100%

Individual topic relationships

40%

100%

Separate files per diagram

100%

Deployment file naming

100%

Diagram titles present

100%

Repository: softaworks/agent-toolkit
Commit: 3027f20

Evaluated: 30 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Document the Architecture of a SaaS Project Management Platform Architecture Diagrams for a Healthcare Data API Architecture Documentation for a Multi-Team E-Commerce Order Processing Platform

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