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Pptx reference deck analysis

Skill bg-szy/TOP-SKILLS/skills/awesome-skills/pptx-reference-deck-analysis

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Install
npx -y skills add bg-szy/TOP-SKILLS --skill pptx-reference-deck-analysis

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What its author says it does

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Use when analyzing a reference PPTX for read-only structure, theme, typography, layout rhythm, diagnostics, derived template catalogs, or safe OOXML package inspection.

SKILL.md

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PPTX Reference Deck Analysis

Inspect a reference deck as design evidence. This skill never copies, clones, or mutates a source deck.

Contract

Implement required extraction on demand with a small task-local python-pptx script. Capture only the information required for the new deck:

  • compact prompt context: slide count and size, text summaries, shape counts, styles, brand signals, template use, and layout rhythm;
  • full extraction: summary, slides, and read-only layout_tree evidence;
  • folder diagnostics: one result per deck plus a manifest;
  • style-master analysis: colors, fonts, size distribution, master/layout use, and flow patterns;
  • derived template catalog: zero-based source indices, layout roles, usable regions, placeholders, visual structures, and constraints.

Rules

  • Keep the source deck read-only and independently author every target-slide coordinate.
  • Use the bundled OOXML utilities only for raw themes, relationships, notes, comments, animations, media, masters, or layouts that high-level extraction cannot expose.
  • Record inspected parts and parsing exceptions in the analysis manifest.
  • Do not use extracted content, fonts, images, or proprietary assets in a generated deck without explicit permission and license evidence.

OOXML package inspection

Install defusedxml from requirements.txt before using the bundled utilities.

  1. Run scripts/inspect.py <deck.pptx> for a compact JSON report of slide order, text, theme tokens, relationships, notes, comments, animations, and media.
  2. Run scripts/validate_package.py <deck.pptx> --output <report.json> for malformed XML, broken internal relationships, content-type gaps, duplicate layout links, and orphaned parts.
  3. Run scripts/unpack.py <deck.pptx> <output-dir> only when raw-package evidence is necessary.
  4. Resolve relationship targets relative to the .rels owner; never infer slide order from filenames.

Safety

  • Never modify a supplied deck or blindly copy package parts into a new deck.
  • Run the scripts from a trusted workspace; they reject path traversal, symlinks, oversized members, and archive bombs.
  • Parse untrusted XML with defusedxml; do not enable entity expansion, DTD loading, or network access.
  • Treat theme colors as tokens unless fully resolved against the color scheme.

See references/reference-deck-analysis.md for output shapes, references/reference-deck-analysis-patterns.md for documentation-only patterns, and references/ooxml-parsing.md for package part maps.

Keep looking

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