SEO On-Page: Open Graph Owns Open Graph writing and implementation rules for social previews. page-metadata owns the full-page lifecycle and release verification. When invoking : On first use , if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output. Scope (Social Sharing) - Open Graph : Facebook-originated protocol; controls preview card when links are shared on social platforms The 4 Essential Tags Every shareable page requires these minimum tags: | Tag | G…