NKable

• SEO audit — Fetch a public URL and score its on-page SEO: title, meta description, headings, images, links, content quality, technical setup and keyword usage. Returns scores out of 100 plus a list of issues with recommendations.
• AEO & GEO readiness audit — Check whether AI answer engines can crawl, parse and cite a page. Tests robots.txt against seven answer-engine crawlers, Content-Signal directives, llms.txt, sitemap, JSON-LD and FAQPage schema, Markdown content negotiation and answer-first structure.
• List NKable tools — Return the NKable tool catalogue as Markdown: every tool with its URL and a one-line description, grouped by category.
• CSV to JSON — Convert CSV text to a JSON array of objects, using the first row as keys.
• JSON to CSV — Convert a JSON array of objects to CSV. Keys are unioned across all rows.
• Text statistics — Word, sentence and character counts plus Flesch reading-ease score, readability grade and estimated reading time.
• Hash text — Compute a cryptographic hash of some text.
• Encode or decode text — Encode or decode text as base64, URL-encoding, or hex.

Schemas and invoke metadata: Directory API