presentation-skills

Capture a thumbnail image of a slide from a OneDrive/Office presentation link. Opens the PowerPoint web viewer in a headless browser and screenshots the slide canvas, producing a clean 16:9 image with no viewer chrome. Works even when the PPTX is not downloadable (e.g. personal OneDrive shares), since it screenshots the rendered slide rather than converting the file. USE FOR: make a thumbnail from a PPTX, screenshot a slide, title-slide image, OneDrive slide thumbnail, talk thumbnail from slides.

Generate a YouTube description with a brief intro, relevant links, and clickable timestamps for each question.

Create or update a RevealJS HTML presentation using the repository's bundled slide template. USE FOR: create RevealJS talks, make HTML slide decks, build presentation slides, start a new conference talk deck, convert a talk outline into RevealJS slides.

Post Q&A entries from markdown writeups as comments to a GitHub Discussion. Use when the user wants to post writeup content to a discussion thread.

Download live chat transcripts from YouTube videos. Use when the user asks for live chat, chat messages, or chat replay from a YouTube video and provides a YouTube URL (youtube.com/watch?v=, youtu.be/, or similar). Works with live streams and past streams that have chat replay enabled.

Capture frames from a YouTube video at a regular interval, produce a manifest mapping filenames to timestamps, and describe each frame with an LLM. USE FOR: extract video frames, capture screenshots from YouTube, describe video frames, video frame analysis, frame-by-frame summary.

Convert a PDF file into individual PNG images, one per page/slide. Uses poppler's pdftoppm command. Output files are named slide_1.png, slide_2.png, etc. USE FOR: convert PDF to images, split slides into PNGs, extract slide images from PDF.

Extract text from each page of a PDF into a markdown file using pdftotext. Produces slide_ascii.md with a heading, image reference, and extracted text per slide. USE FOR: extract text from PDF slides, get slide text content, PDF to markdown text, slide_ascii.md.

Extract a timestamped transcript from a YouTube video. Returns text with [MM:SS] or [HH:MM:SS] timestamps for each segment. USE FOR: get transcript, transcribe YouTube video, fetch video transcript, YouTube captions.

Fetch presentation slides from a URL and convert them to PDF. Supports direct PDF URLs, PPTX URLs, OneDrive sharing links, and RevealJS HTML presentations. For RevealJS, also extracts slide text content and links to a markdown file. USE FOR: download slides, fetch slides from URL, convert PPTX to PDF, get RevealJS slides, OneDrive slides.

Generate an annotated blog-style write-up from a presentation's slides and video recording. Orchestrates the full pipeline: fetching slides, converting to images, extracting transcript, generating chapters, outlining slides, and producing the final annotated markdown. USE FOR: write-up, blog post, presentation summary, annotated write-up, generate writeup.

Generate a numbered outline of presentation slides with one-sentence summaries. Looks at each slide image and produces a brief description. USE FOR: summarize slides, outline presentation, describe slide images, create slide summary.

Converts PDF files to Markdown using Microsoft's markitdown package. Use this skill when the user asks to convert a PDF to Markdown, extract text from a PDF, or read/parse PDF content.

Use this to review slides for accuracy