Sierra 发布 Personal Agent Protocol 1.0，Shopify 全量商户与 Meta Muse 接入

Sierra released version 1.0 of the Personal Agent Protocol, known as Poppy, a standard for personal agents to interact with companies through business agents, websites and APIs. Shopify now publishes a Poppy file for every store across more than 175 countries, and Poppy is on for all users of Muse, Meta's AI agent, which checks for Poppy first on every site it visits. The protocol builds on MCP, OpenAPI and UCP with OAuth-based authentication, adds a Shopify co-authored commerce extension, and now counts more than 100 design partners including Mercury, Synchrony and Turkish Airlines.