Embeds

Drop a URL on its own line, or use a ::directive{} inside your markdown.

Built-in

• YouTube — paste a youtube link, or ::youtube{#VIDEO_ID}
• GitHub repo card — paste https://github.com/owner/repo
• Link card — any other URL on its own line becomes a rich link card
• Excalidraw — paste https://excalidraw.com/#json=...
• Callouts — GitHub-style > [!NOTE], > [!TIP], > [!WARNING], > [!CAUTION], > [!IMPORTANT]

Math and code

• Math: $inline$ and $$block$$ (rendered via MathJax).
• Code blocks: Shiki highlighting with // [!code highlight] annotations.