art

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

⭐1stars🔀0forks📁View on GitHub🕐Updated Jan 7, 2026

When & Why to Use This Skill

This Claude skill automates the generation of professional visual content using a distinctive Excalidraw hand-drawn aesthetic. It streamlines the creative process by transforming text prompts into polished technical diagrams, editorial illustrations, and multi-panel comics, all featuring a consistent dark-mode, tech-forward color palette optimized for modern digital environments.

Use Cases

  • Technical Architecture Visualization: Create approachable, hand-drawn system diagrams and flowcharts for documentation that look professional yet organic.
  • Editorial Content Creation: Generate unique blog headers and custom illustrations for essays or articles to enhance visual storytelling and brand identity.
  • Narrative Comic Strips: Produce sequential multi-panel comics to explain user journeys, product 'before and after' scenarios, or complex concepts in an engaging format.
  • Project Presentations: Quickly draft consistent, high-quality visual aids for slide decks that maintain a cohesive tech-focused aesthetic.
nameart
descriptionAtlas skill for 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

ALL 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

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


Color System

Color Hex Usage
Background #0a0a0f Primary dark background
PAI Blue #4a90d9 Key elements, primary accents
Electric Cyan #22d3ee Flows, connections, secondary
Accent Purple #8b5cf6 Highlights, callouts (10-15%)
Text White #e5e7eb Primary text, labels
Surface #1a1a2e Cards, panels
Line Work #94a3b8 Hand-drawn borders

Image Generation

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

bun 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)


Examples

Example 1: Technical diagram

User: "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

User: "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

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