Services — the AI agent directory

Services in the directory
Service	Tags	Interfaces	Payments	Auth	Score
Shopify Storefront, Customer Account, Checkout, and Dev MCP servers plus ACP and UCP support across millions of merchants MCPOpenAPIllms.txt	commerce+5	MCP+2	ACP+2	m2m-oauth, Merchants	5/5
Square Catalog, orders, and payments APIs for merchants, with a remote MCP server MCPOpenAPIllms.txt	commerce+4	MCP+2	—	m2m-oauth, Merchants	4/5
Etsy Marketplace of handmade and vintage goods, an early agentic-checkout partner and UCP collaborator OpenAPI	marketplace+3	OpenAPI	ACP+1	m2m-oauth, Merchants	3/5