Turn a plain-language task description into a minimal prompt template: extracts variable placeholders, detects output format, assembles ROLE/TASK/INPUT/CONSTRAINTS/OUTPUT scaffold.
Checks a page's HTML source for the tags link previews are built from - title and description length, rel=canonical, og:title/description/type/url/site_name/locale, og:image size, aspect, alt and SVG, twitter:card and handles. Flags relative/http:// URLs, tracking parameters, theme + SEO plugin duplicates, tags in <body> and unrendered {{ }} placeholders, and returns a fixed <head> block. Includes an offline stdlib Python checker with --self-test.
Offline on-page SEO audit of a local HTML file: title, meta description, canonical, robots meta, viewport, Open Graph, h1, image alt coverage, lang/charset. Zero network.
