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Onto
Your website, readable to AI agents
AI agents read your site as raw HTML, and you can’t see them. Onto serves them clean Markdown at the same URL, while people and Google get your page as before, and shows you which agents came. Plus an AIO score, and a Read API and MCP for builders.
Top comment
Hi Product Hunt, I'm the maker of Onto. AI agents now read the web for people. Ask ChatGPT or Claude what a tool costs and it fetches the pricing page. The trouble is what it gets back: Stripe's pricing page is 699 KB of HTML, and the same page as Markdown is 17 KB. The rest is styles, navigation, SVG icons and attributes. An agent that can't find the answer in all that still answers. And you never see it happen, because most agents never run your analytics. Onto fixes that from the site's side: → Serve SDK for Next.js: at build it writes a Markdown copy of every page. GPTBot, ClaudeBot, PerplexityBot and the rest get the copy; people and Googlebot get your page exactly as before, from the same URL. → See who's reading: which agent came, which page it read, and how much lighter the answer was. → Tell them what matters (Pro): add context to a page that only agents receive. → The AIO score: starts at 100 and takes points off for named faults you can fix. The scan is free, no signup. → Building agents instead? The same engine is a Read API and an MCP server for ChatGPT, Claude, Cursor and others. Every number on our site is measured and dated. Our own pricing page is 79.4 KB to a browser and 5.7 KB to GPTBot. Free to start: Serve on one site, Read with 1,000 credits a month, no card. Next is Act: agents that do things on your site, not just read it. I'd love to hear what you'd want it to do. And scan your site at buildonto.dev and tell me your score, I'll answer every one.
About Onto on Product Hunt
“Your website, readable to AI agents”
Onto was submitted on Product Hunt and earned 5 upvotes and 7 comments, placing #39 on the daily leaderboard. AI agents read your site as raw HTML, and you can’t see them. Onto serves them clean Markdown at the same URL, while people and Google get your page as before, and shows you which agents came. Plus an AIO score, and a Read API and MCP for builders.
On the analytics side, Onto competes within SEO, Developer Tools and Artificial Intelligence — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Onto performed against the three products that launched closest to it on the same day.
Who hunted Onto?
Onto was hunted by Onto. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Onto including community comment highlights and product details, visit the product overview.