WebMCP Has a Chrome Origin Trial. llms.txt Has a Study.
Chrome opened a WebMCP origin trial in Chrome 149 on 9 June 2026. In the same stretch the evidence on llms.txt closed the question. Read them together.
ai agents
Running an MCP Server for Your Own Store
MCP is at spec version 2026-07-28, Shopify shipped WebMCP in August and WooCommerce published a reference agent. Whether a small store should build one yet.
Agent Readiness: 4% of Top Sites Declare Anything
Cloudflare scored the 200,000 most-visited domains on agent readiness. 78% have a robots.txt, 4% declare AI preferences, and fewer than 15 publish a server card.