Cortex Plugin: Diagram & Whiteboard

Generate flowcharts, sequence diagrams, architecture diagrams, and mind maps from natural language. Built-in Mermaid template library.

Installation

cortex plugin install github:CortexPrism/cortex-plugin-diagram

Tools

diagram_generate

Generate a diagram from a natural language description.

• description (string, required) — What the diagram should depict
• diagram_type (enum, required) — Type: flowchart, sequence, class, er, mindmap, gantt, architecture, pie
• output_format (enum, default: "mermaid") — Output: mermaid, png, svg, excalidraw
• title (string, optional) — Diagram title

diagram_from_code

Generate a diagram from source code structure.

• code (string, required) — Source code to analyze
• diagram_type (enum, required) — Type: class, sequence, architecture
• language (string, required) — Programming language

diagram_edit

Edit an existing diagram using natural language.

• diagram_source (string, required) — Mermaid or Excalidraw source
• edits (string, required) — Natural language description of changes

diagram_export

Export a diagram to a different format.

• diagram_source (string, required) — Diagram source code
• format (enum, required) — Output format: png, svg, pdf, mermaid, excalidraw

diagram_list_types

List all supported diagram types with descriptions.

Supported Diagram Types

Type	Description
flowchart	Visualize processes and decision trees
sequence	Show component interactions over time
class	Model object-oriented class hierarchies
er	Design entity-relationship schemas
mindmap	Organize ideas in a radial hierarchy
gantt	Plan project timelines and dependencies
architecture	Map system components and connections
pie	Display proportional data distributions

Configuration

Key	Type	Description
defaultType	select	Default diagram type
defaultFormat	select	Default output format: mermaid, png, svg
theme	select	Color theme: default, forest, dark, neutral

Development

deno task test
deno fmt
deno lint

License

MIT