From latent-space-youtube
This skill should be used when the user asks to "create YouTube thumbnails", "generate thumbnails", "make video thumbnails", or needs AI-generated thumbnail images via Google Gemini for YouTube videos. Covers prompt engineering, image generation, compression, and upload to YouTube Studio.
How this skill is triggered — by the user, by Claude, or both
Slash command
/latent-space-youtube:youtube-thumbnailsThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Generate custom YouTube thumbnails using Google Gemini's image generation (Pro mode). Each thumbnail is a 1280x720 image with bold text overlays, thematic visuals, and branding.
Generate custom YouTube thumbnails using Google Gemini's image generation (Pro mode). Each thumbnail is a 1280x720 image with bold text overlays, thematic visuals, and branding.
For each video that needs a thumbnail, collect:
D Mon YYYY formatgemini.google.comUse this prompt template, customized per video:
Create a YouTube thumbnail (1280x720) for a video titled "[FULL TITLE]".
[1-2 sentences describing what the video is about — the demo, paper, or topic].
The visual should be [THEME DESCRIPTION]: [specific visual elements relevant to the topic].
Bold text overlay: "[MAIN TITLE]" prominently, with smaller text "[SUBTITLE]" below it.
Include a bottom bar with "[SERIES NAME] [D MON YYYY]" in bold.
Please include the Latent Space podcast logo in a corner — search the web for "Latent Space podcast logo" to find it.
Use [COLOR PALETTE] with a dark [THEME] background.
AI in Action (demos/presentations):
AI IN ACTION [D MON YYYY]Paper Club (paper readings):
PAPER CLUB [D MON YYYY]Gemini_Generated_Image_[hash].jpegYouTube requires thumbnails under 2MB. Gemini Pro images are typically 3-4MB.
convert "Gemini_Generated_Image_[hash].jpeg" -resize 1280x720 -quality 85 thumb_[label].jpg
Naming convention: thumb_[abbreviated_date].jpg (e.g., thumb_jan31.jpg, thumb_feb7.jpg)
For each video:
find tool to locate ref)thumb_[date].jpg fileFile picker automation (macOS): After clicking Upload file, use osascript to navigate the native file dialog:
tell application "System Events"
delay 1
keystroke "g" using {command down, shift down}
delay 1
keystroke "/path/to/thumb_[date].jpg"
delay 0.5
keystroke return
delay 1
keystroke return
end tell
Take a screenshot of each video's details page to confirm the custom thumbnail is set.
convert -resize 1280x720 -quality 85: ~200-250KB (well under 2MB limit)Create a YouTube thumbnail (1280x720) for a video titled "SpaceMolt - AI Agents in Multiplayer Space Games".
This is about a demo of SpaceMolt, a multiplayer space trading and mining game where AI agents autonomously play alongside human players.
The visual should be exciting and space-themed: spaceships, asteroids, neon glow, a dark cosmic background.
Bold text overlay: "SPACEMOLT" prominently, with smaller text "AI AGENTS IN SPACE GAMES" below it.
Include a bottom bar with "AI IN ACTION 7 FEB 2026" in bold.
Please include the Latent Space podcast logo in a corner — search the web for "Latent Space podcast logo".
Use vibrant sci-fi colors — electric blue, green, purple neon tones.
Create a YouTube thumbnail (1280x720) for a video titled "RL via Self-Distillation (SDPO) Paper Reading".
This is an academic paper reading session about SDPO — Self-Distillation Preference Optimization.
The visual should be academic but engaging: neural network or brain visualization with mathematical formulas.
Bold text overlay: "SDPO" prominently, with smaller text "SELF-DISTILLATION PREFERENCE OPTIMIZATION" below it.
Include a bottom bar with "PAPER CLUB 12 FEB 2026" in bold.
Please include the Latent Space podcast logo in a corner — search the web for "Latent Space podcast logo".
Use deep blue, orange, and white color palette with a dark academic-themed background.
convert -resize 1280x720 -quality 85find tool to locate the hidden "Upload file" button by ref.npx claudepluginhub swyxio/claude-plugins --plugin latent-space-youtubeGenerates bold high-contrast YouTube thumbnail images with dramatic framing exaggerated expressions and click-optimized compositions using Gemini. Triggers on youtube thumbnail thumbnail youtube video thumbnail yt thumbnail.
Generates thumbnails and cover images optimized for click-through rate using Gemini models. Supports YouTube, blogs, courses with platform dimensions, references, and editing via NanoBanana skill.
Generates optimized YouTube titles and thumbnail concepts for max CTR using competitive research, proven strategies, and video briefs.