This week’s curated list of new services for merchants includes updates on agentic commerce, product review pages, email marketing, multichannel selling, local commerce, omnichannel marketing, returns management, WordPress development, and cross-border commerce. Meta has partnered with PayPal and Shopify on Muse , Meta’s personal AI agent that has risen to the top of Apple’s App Store rankings. Muse acts on instructions, letting shoppers move through the buying process without completing each step themselves. Shopify’s collaboration will enable agentic checkout through Shop Pay, the company’s payment service. Amazon ‘s new Seller Central capability helps manage listings, orders, and profitability across all external channels.