Post by Tristan Zindler

Chrome 146 Canary ships a quiet API that might matter more than it looks. navigator.modelContext.registerTool() lets a website declare structured tools that AI agents can call directly. No scraping, no Selenium, no Puppeteer. The website says what it can do, the agent uses it. I built a subscription tracker (snout.pink) with 6 WebMCP tools in 456 lines of TypeScript to test the full pipeline. Agent asks "what are my subscriptions?" — the website answers with structured data. No UI needed. The interesting part isn't the API itself, it's where this goes: if every website can expose capabilities, and every PWA can register tools on install, then AI doesn't need to navigate the web anymore. It calls it. Wrote it up here: https://lnkd.in/dHx2chcF