How is visual quality ensured?

The skill includes a validation step where it generates thumbnail grids of the slides, allowing for visual inspection of text alignment, contrast, and layout issues.

How does Claude edit existing PowerPoint files?

Claude uses a structured OOXML workflow to unpack the .pptx archive, modify the raw XML content (including slides, notes, and layouts), and repack the file.

Can Claude create presentations from scratch?

Yes, this skill uses a specialized html2pptx workflow to convert HTML slide designs into professional PowerPoint files with accurate positioning and styling.

Can it extract text and notes from an existing deck?

Absolutely. It uses tools like MarkItDown for high-level text extraction and raw XML access for specialized content like speaker notes and comments.

Does it support custom branding?

Yes, it can analyze existing templates for typography and color schemes to ensure newly generated slides match a specific brand identity.

PowerPoint Specialist

Name: PowerPoint Specialist
Author: BbgnsurfTech

byBbgnsurfTech

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Productivity & Workflow

Enables creation, deep editing, and structural analysis of PowerPoint presentations using OOXML and HTML-to-PPTX workflows.

About

The PPTX skill equips Claude with advanced capabilities to handle Microsoft PowerPoint files, moving beyond basic text generation to full-scale presentation engineering. It supports multiple workflows: generating professional slide decks from HTML templates with precise positioning, performing surgical edits on existing files by manipulating raw OOXML, and extracting deep metadata like themes, speaker notes, and layout structures. With built-in design principles, color palette curation, and visual validation through thumbnail generation, this skill ensures that generated content is both structurally sound and visually compelling.

Key Features

Deep theme analysis including color schemes and typography extraction
Visual validation through automated thumbnail grid generation
Direct OOXML manipulation for editing existing presentations
Automated text extraction and document analysis via MarkItDown
3 GitHub stars
HTML-to-PPTX conversion for precise slide layout and positioning

Use Cases

Transforming complex data reports into professional 16:9 slide decks
Batch-updating corporate branding and layouts across existing PPTX files
Analyzing presentation content and structure for competitive research or archiving

About

Key Features

Deep theme analysis including color schemes and typography extraction
Visual validation through automated thumbnail grid generation
Direct OOXML manipulation for editing existing presentations
Automated text extraction and document analysis via MarkItDown
3 GitHub stars
HTML-to-PPTX conversion for precise slide layout and positioning

Use Cases

Transforming complex data reports into professional 16:9 slide decks
Batch-updating corporate branding and layouts across existing PPTX files
Analyzing presentation content and structure for competitive research or archiving