C4 Diagram MCP Server

Example Use Cases

• 1

  Generate C4 architectural diagrams from natural language prompts.

• 2

  Store and manage generated PUML source code and diagram images securely.

• 3

  Iteratively update and create multiple levels of architectural diagrams within a project.

Description

This MCP server enables users to generate C4 architectural diagrams such as context, container, component, and sequence diagrams through natural language conversation. It leverages the C4-PlantUML library and integrates with the official Filesystem MCP server to securely store generated PUML source code and PNG images. The server supports iterative diagram updates and multi-level diagram creation, enhancing architectural design workflows.