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name: Art description: Visual content generation with Excalidraw hand-drawn aesthetic. USE WHEN user wants diagrams, visualizations, comics, or editorial illustrations.

Art Skill

Visual content generation system using Excalidraw hand-drawn aesthetic with dark-mode, tech-forward color palette.

Output Location

CopyALL GENERATED IMAGES GO TO ~/Downloads/ FIRST
Preview in Finder/Preview before final placement
Only copy to project directories after review

Workflow Routing

Route to the appropriate workflow based on the request:

• Technical or architecture diagram -> Workflows/TechnicalDiagrams.md
• Blog header or editorial illustration -> Workflows/Essay.md
• Comic or sequential panels -> Workflows/Comics.md

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Core Aesthetic

Excalidraw Hand-Drawn - Clean, approachable technical illustrations with:

• Slightly wobbly hand-drawn lines (NOT perfect vectors)
• Simple shapes with organic imperfections
• Consistent hand-lettered typography style
• Dark mode backgrounds with bright accents

Full aesthetic documentation: $PAI_DIR/skills/Art/Aesthetic.md

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Color System

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Image Generation

Default model: nano-banana-pro (Gemini 3 Pro)

Copybun run $PAI_DIR/skills/Art/Tools/Generate.ts \
  --model nano-banana-pro \
  --prompt "[PROMPT]" \
  --size 2K \
  --aspect-ratio 16:9 \
  --output ~/Downloads/output.png

API keys in: $PAI_DIR/.env (single source of truth for all authentication)

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Examples

Example 1: Technical diagram

CopyUser: "create a diagram showing the auth flow"
-> Invokes TECHNICALDIAGRAMS workflow
-> Creates Excalidraw-style architecture visual
-> Outputs PNG with dark background, blue accents

Example 2: Blog header

CopyUser: "create a header for my post about AI agents"
-> Invokes ESSAY workflow
-> Generates hand-drawn illustration
-> Saves to ~/Downloads/ for preview

Example 3: Comic strip

CopyUser: "create a comic showing the before/after of using AI"
-> Invokes COMICS workflow
-> Creates 3-4 panel sequential narrative
-> Editorial style, not cartoonish