UCP, ACP and AP2: Which One to Build For
Four agentic commerce specifications, doing three different jobs. What UCP, ACP, AP2 and MCP each cover, where each sits, and which one a merchant implements.
ecommerce
Sale Duration Markup: The Fields Most Stores Skip
Google documented sale duration in merchant listing markup on 7 July 2026. Where validFrom, validThrough and priceValidUntil go, and where they must not go.
Google’s Incentivized Review Rule and Your Snippets
On 24 July 2026 Google added a review snippet guideline on fake and undisclosed incentivized reviews. What it covers and how honest programmes still break it.
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.