Cover Image Generator

Generate elegant cover images for articles with 4-dimensional customization.

Usage

# Auto-select all dimensions based on content
/baoyu-cover-image path/to/article.md

# Quick mode: skip confirmation, use auto-selection
/baoyu-cover-image article.md --quick

# Specify dimensions
/baoyu-cover-image article.md --type conceptual --style blueprint
/baoyu-cover-image article.md --text title-subtitle --mood bold

# Visual only (no title text)
/baoyu-cover-image article.md --no-title

# Direct content input
/baoyu-cover-image
[paste content]

# Direct input with options
/baoyu-cover-image --style notion --aspect 1:1 --quick
[paste content]

Options

Option	Description
`--type <name>`	Cover type: hero, conceptual, typography, metaphor, scene, minimal
`--style <name>`	Cover style (see Style Gallery)
`--text <level>`	Text density: none, title-only, title-subtitle, text-rich
`--mood <level>`	Emotional intensity: subtle, balanced, bold
`--aspect <ratio>`	16:9 (default), 2.35:1, 4:3, 3:2, 1:1, 3:4
`--lang <code>`	Title language (en, zh, ja, etc.)
`--no-title`	Alias for `--text none`
`--quick`	Skip confirmation, use auto-selection for missing dimensions

Four Dimensions

Dimension	Controls	Values	Default
Type	Visual composition, information structure	hero, conceptual, typography, metaphor, scene, minimal	auto
Style	Visual aesthetics, colors, technique	20 built-in styles	auto
Text	Text density, information hierarchy	none, title-only, title-subtitle, text-rich	title-only
Mood	Emotional intensity, visual weight	subtle, balanced, bold	balanced

Dimensions can be freely combined. Example: --type conceptual --style blueprint --text title-only --mood subtle creates a calm technical concept visualization.

Type Gallery

Type	Description	Best For
`hero`	Large visual impact, title overlay	Product launch, brand promotion, major announcements
`conceptual`	Concept visualization, abstract core ideas	Technical articles, methodology, architecture design
`typography`	Text-focused layout, prominent title	Opinion pieces, quotes, insights
`metaphor`	Visual metaphor, concrete expressing abstract	Philosophy, growth, personal development
`scene`	Atmospheric scene, narrative feel	Stories, travel, lifestyle
`minimal`	Minimalist composition, generous whitespace	Zen, focus, core concepts

Auto Type Selection

When --type is omitted, select based on content signals:

Signals	Type
Product, launch, announcement, release, reveal	`hero`
Architecture, framework, system, API, technical, model	`conceptual`
Quote, opinion, insight, thought, headline, statement	`typography`
Philosophy, growth, abstract, meaning, reflection	`metaphor`
Story, journey, travel, lifestyle, experience, narrative	`scene`
Zen, focus, essential, core, simple, pure	`minimal`

Style Gallery

Style	Description
`elegant` (default)	Refined, sophisticated
`blueprint`	Technical schematics
`bold-editorial`	Magazine impact
`chalkboard`	Chalk on blackboard
`dark-atmospheric`	Cinematic dark mode
`editorial-infographic`	Visual storytelling
`fantasy-animation`	Ghibli/Disney inspired
`flat-doodle`	Pastel, cute shapes
`intuition-machine`	Technical, bilingual
`minimal`	Ultra-clean, zen
`nature`	Organic, earthy
`notion`	SaaS dashboard
`pixel-art`	Retro 8-bit
`playful`	Fun, whimsical
`retro`	Halftone, vintage
`sketch-notes`	Hand-drawn, warm
`vector-illustration`	Flat vector
`vintage`	Aged, expedition
`warm`	Friendly, human
`watercolor`	Soft hand-painted

Style definitions: references/styles/

Auto Style Selection

When --style is omitted, select based on content signals:

Signals	Style
Architecture, system design	`blueprint`
Product launch, marketing	`bold-editorial`
Education, tutorial	`chalkboard`
Entertainment, premium	`dark-atmospheric`
Tech explainer, research	`editorial-infographic`
Fantasy, children	`fantasy-animation`
Technical docs, bilingual	`intuition-machine`
Personal story, emotion	`warm`
Zen, focus, essential	`minimal`
Fun, beginner, casual	`playful`
Nature, wellness, eco	`nature`
SaaS, dashboard	`notion`
Workflow, productivity	`flat-doodle`
Gaming, retro tech	`pixel-art`
Knowledge sharing	`sketch-notes`
Creative proposals	`vector-illustration`
History, exploration	`vintage`
Lifestyle, travel	`watercolor`
Business, professional	`elegant`

Text Dimension

| Value | Title | Subtitl

...

baoyu-cover-image

SKILL.md