x-image-cards
Installation
SKILL.md
X Image Cards
Create X cards that look like images, not marketing banners. Let the visual be the content — X already shows your title and description in the card UI.
X-Specific Requirements
| Spec | Value | Why |
|---|---|---|
| Dimensions | 2400×1200 physical (1200×600 logical) | 2x for retina, 2:1 aspect ratio |
| Safe margins | 50-56px padding (at 1x) | X clips edges on mobile |
| URL format | /og/page.png not /og/page?format=png |
X prefers explicit extensions |
| Colors | #FFFFFF primary, avoid subtle grays |
Thumbnails are tiny |
Zero-Width Space Trick
X overlays og:title as white text on the image. Hide it with a zero-width space: