adambien/drawio
documentation/drawio/SKILL.md
Create draw.io overview diagrams with consistent visual style. Use when asked to create, generate, or edit draw.io diagrams, architecture diagrams, component diagrams, or visual overviews of systems and modules. Triggers on "draw.io", "drawio", "create a diagram", "architecture diagram", "component diagram", or requests to visualize high-level system structure. Not for sequence diagrams or class diagrams.
$ install --global
skillsauthnpx skillsauth add adambien/airails drawioInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- drawio
- description:
- Create draw.io overview diagrams with consistent visual style. Use when asked to create, generate, or edit draw.io diagrams, architecture diagrams, component diagrams, or visual overviews of systems and modules. Triggers on "draw.io", "drawio", "create a diagram", "architecture diagram", "component diagram", or requests to visualize high-level system structure. Not for sequence diagrams or class diagrams.
Draw.io Overview Diagrams
Generate valid draw.io XML and save as <name>.drawio using the Write tool.
Lines
- rounded routing:
edgeStyle=orthogonalEdgeStyle;rounded=1; - black stroke:
strokeColor=#000000; - arrow at target:
endArrow=block;endFill=1; - label without shadow:
shadow=0;on the label cell - when an edge crosses container boundaries (source or target is nested in a container), pin explicit
exitX/exitYon the source andentryX/entryYon the target so the orthogonal router does not take ugly paths; when multiple edges share a target, give each a distinct entry point to prevent overlap
Style
- all nodes:
rounded=1;whiteSpace=wrap;html=1;shadow=1; - corner radius:
arcSize=10; - font:
fontColor=#000000;fontSize=13;fontStyle=0;
BCE Shape Mapping
| Element | Shape | Fill | Border |
|---|---|---|---|
| Business Component (BC) | rounded rectangle | #dae8fc (light blue) | #6c8ebf |
| Subsystem container | container with title bar | #f5f5f5 (light gray) | #666666 |
| External service | rounded rectangle, dashed | #fff2cc (light yellow) | #d6b656 |
| Boundary layer | rounded rectangle | #d5e8d4 (light green) | #82b366 |
| Control layer | rounded rectangle | #e1d5e7 (light purple) | #9673a6 |
| Entity layer | rounded rectangle | #fff2cc (light yellow) | #d6b656 |
Color Palette
- BC blue: fill
#dae8fc, border#6c8ebf - Subsystem gray: fill
#f5f5f5, border#666666 - External yellow: fill
#fff2cc, border#d6b656 - Boundary green: fill
#d5e8d4, border#82b366 - Control purple: fill
#e1d5e7, border#9673a6 - Entity yellow: fill
#fff2cc, border#d6b656
BCE Robustness Icons (built-in)
Drawio ships with the Jacobson BCE icons. Use these — never reconstruct them from primitives (lines + ellipses + triangles).
- Boundary Object:
shape=umlBoundary;whiteSpace=wrap;html=1; - Control Object:
ellipse;shape=umlControl;whiteSpace=wrap;html=1; - Entity Object:
ellipse;shape=umlEntity;whiteSpace=wrap;html=1;
Color them by adding fillColor=#ffffff;strokeColor=<layer-border>;. Typical icon size: width=30;height=32.
Content
- visualize only high-level concepts and modules
- show dependencies between components as directed arrows
- omit implementation details, classes, and methods
- group related components visually
- limit diagram to essential relationships
Layout
- arrange components in logical flow (top-to-bottom or left-to-right)
- consistent spacing: 40px between nodes, 20px padding inside containers
- avoid crossing lines where possible
- use container shapes (
container=1;) for subsystem grouping - default node size:
width=160;height=60;
Labels
- use short, descriptive names
- avoid technical jargon unless domain-specific
- label arrows only when relationship type is ambiguous
- black font color for all labels
- do not use italic font
- connection labels must be without shadow
XML Structure
Minimal skeleton — every .drawio file must follow this hierarchy:
<mxfile>
<diagram name="Overview" id="diag1">
<mxGraphModel dx="1024" dy="768" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
<root>
<mxCell id="0"/>
<mxCell id="1" parent="0"/>
<!-- nodes and edges here, parent="1" -->
</root>
</mxGraphModel>
</diagram>
</mxfile>
Example — Minimal 2-Node Diagram
<mxfile>
<diagram name="Overview" id="d1">
<mxGraphModel dx="1024" dy="768" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
<root>
<mxCell id="0"/>
<mxCell id="1" parent="0"/>
<mxCell id="2" value="Orders" style="rounded=1;whiteSpace=wrap;html=1;shadow=1;arcSize=10;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#000000;fontSize=13;fontStyle=0;" vertex="1" parent="1">
<mxGeometry x="100" y="200" width="160" height="60" as="geometry"/>
</mxCell>
<mxCell id="3" value="Payments" style="rounded=1;whiteSpace=wrap;html=1;shadow=1;arcSize=10;fillColor=#dae8fc;strokeColor=#6c8ebf;fontColor=#000000;fontSize=13;fontStyle=0;" vertex="1" parent="1">
<mxGeometry x="380" y="200" width="160" height="60" as="geometry"/>
</mxCell>
<mxCell id="4" value="charges" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;strokeColor=#000000;fontColor=#000000;fontSize=11;fontStyle=0;endArrow=block;endFill=1;shadow=0;" edge="1" source="2" target="3" parent="1">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
</root>
</mxGraphModel>
</diagram>
</mxfile>
File Output
- save as
<name>.drawiousing the Write tool - see
references/example.drawiofor a complete BCE example
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