Marp Slide Creator Create professional, visually appealing Marp presentation slides with 7 pre-designed themes and built-in best practices. When to Use This Skill Use this skill when the user: Requests to create presentation slides or Marp documents Asks to "make slides look good" or "improve slide design" Provides vague instructions like "良い感じにして" (make it nice) or "かっこよく" (make it cool) Wants to create lecture or seminar materials Needs bullet-point focused slides with occasional images Quick Start Step 1: Select Theme First, determine the appropriate theme based on the user's request and content. Quick theme selection: Technical/Developer content → tech theme Business/Corporate → business theme Creative/Event → colorful or gradient theme Academic/Simple → minimal theme General/Unsure → default theme Dark background preferred → dark or tech theme For detailed theme selection guidance, read references/theme-selection.md . Step 2: Create Slides Read relevant references first : Always start by reading references/marp-syntax.md for basic syntax For images: references/image-patterns.md (official Marpit image syntax) For advanced features (math, emoji): references/advanced-features.md For custom themes: references/theme-css-guide.md Copy content from the appropriate template file: assets/template-basic.md - Default theme (most common) assets/template-minimal.md - Minimal theme assets/template-colorful.md - Colorful theme assets/template-dark.md - Dark mode theme assets/template-gradient.md - Gradient theme assets/template-tech.md - Tech/code theme assets/template-business.md - Business theme Read references/best-practices.md for quality guidelines Structure content following best practices: Title slide with
- Concise h2 titles (5-7 characters in Japanese)
- 3-5 bullet points per slide
- Adequate whitespace
- Add images if needed using patterns from
- references/image-patterns.md
- Save to
- /mnt/user-data/outputs/
- with
- .md
- extension
- Available Themes
- 1. Default Theme
- Colors
-
- Beige background, navy text, blue headings
- Style
-
- Clean, sophisticated with decorative lines
- Use for
-
- General seminars, lectures, presentations
- Template
- :
- template-basic.md
- 2. Minimal Theme
- Colors
-
- White background, gray text, black headings
- Style
-
- Minimal decoration, wide margins, light fonts
- Use for
-
- Content-focused presentations, academic talks
- Template
- :
- template-minimal.md
- 3. Colorful & Pop Theme
- Colors
-
- Pink gradient background, multi-color accents
- Style
-
- Vibrant gradients, bold fonts, rainbow accents
- Use for
-
- Youth-oriented events, creative projects
- Template
- :
- template-colorful.md
- 4. Dark Mode Theme
- Colors
-
- Black background, cyan/purple accents
- Style
-
- Dark theme with glow effects, eye-friendly
- Use for
-
- Tech presentations, evening talks, modern look
- Template
- :
- template-dark.md
- 5. Gradient Background Theme
- Colors
-
- Purple/pink/blue/green gradients (varies per slide)
- Style
-
- Different gradient per slide, white text, shadows
- Use for
-
- Visual-focused, creative presentations
- Template
- :
- template-gradient.md
- 6. Tech/Code Theme
- Colors
-
- GitHub-style dark background, blue/green accents
- Style
-
- Code fonts, Markdown-style headers with # symbols
- Use for
-
- Programming tutorials, tech meetups, developer content
- Template
- :
- template-tech.md
- 7. Business Theme
- Colors
-
- White background, navy headings, blue accents
- Style
-
- Corporate presentation style, top border, table support
- Use for
- Business presentations, proposals, reports Template : template-business.md Creating Slides Process Basic Workflow Understand requirements Identify content: title, topics, key points Determine target audience Assess formality level Select theme Use quick selection rules above If uncertain, consult references/theme-selection.md Default to default theme if still unsure Apply template Load appropriate template from assets/ CSS is already embedded - no external files needed Maintain template structure Structure content Title slide:
- h1
Content slides: h2 title + bullet points
Keep titles to 5-7 characters (Japanese)
Use 3-5 bullet points per slide
Refine quality
Read
references/best-practices.md
Ensure adequate whitespace
Maintain consistency
Keep text concise (15-25 chars per line)
Add images
If needed, consult
references/image-patterns.md
Common:
for side images
Use proper Marp image syntax
Output file
Save to
/mnt/user-data/outputs/
Use descriptive filename like
presentation.md
Handling "Make It Look Good" Requests
When users give vague instructions like "良い感じにして", "かっこよく", or "make it cool":
Infer theme from content
:
Business content → business theme
Technical content → tech or dark theme
Creative content → gradient or colorful theme
General → default theme
Apply best practices automatically
:
Shorten titles to 5-7 characters
Limit bullet points to 3-5 items
Add adequate whitespace
Use consistent structure
Enhance visual hierarchy
:
Use h3 for sub-sections when appropriate
Break up dense text into multiple slides
Ensure logical flow (intro → body → conclusion)
Maintain professional tone
:
Match formality to content
Use parallel structure in lists
Keep technical terms consistent
Image Integration
For slides with images, consult
references/image-patterns.md
for detailed syntax.
Common patterns:
Side image
:

- Image on right, text on left
Centered
:

- Centered with specific width
Full background
:

-
- Full-screen background
- Multiple images
- Multiple ![bg] declarations Example lecture pattern:
Slide Title ! bg right:40% - Explanation point 1 - Explanation point 2 - Explanation point 3 File Output Always save the final Marp file to /mnt/user-data/outputs/ with .md extension: presentation.md seminar-slides.md lecture-materials.md Quality Checklist Before delivering slides, verify: Theme selected appropriately for content CSS theme is embedded in the file Title slide uses
All h2 titles are concise (5-7 chars) Bullet points are 3-5 items per slide Images use proper Marp syntax File saved to outputs directory Content follows best practices References Core Documentation Marp syntax : references/marp-syntax.md - Basic Marp/Marpit syntax (directives, frontmatter, pagination, etc.) Image patterns : references/image-patterns.md - Official image syntax (bg, filters, split backgrounds) Theme CSS guide : references/theme-css-guide.md - How to create custom themes based on Marpit specification Advanced features : references/advanced-features.md - Math, emoji, fragmented lists, Marp CLI, VS Code Official themes : references/official-themes.md - default, gaia, uncover themes documentation Quality & Selection Guides Theme selection : references/theme-selection.md - How to choose the right theme for content Best practices : references/best-practices.md - Quality guidelines for "cool" slides Templates & Assets Templates : assets/template-.md - Starting points with embedded CSS for each theme (7 themes) Standalone CSS : assets/theme-.css - CSS files for reference (already embedded in templates) Official External Links Marp Official Site : https://marp.app/ Marpit Directives : https://marpit.marp.app/directives Marpit Image Syntax : https://marpit.marp.app/image-syntax Marpit Theme CSS : https://marpit.marp.app/theme-css Marp Core GitHub : https://github.com/marp-team/marp-core Marp CLI GitHub : https://github.com/marp-team/marp-cli