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
Rye Universal commerce API for agent-initiated purchases across Shopify and major retailers OpenAPI	purchasing+3	OpenAPI	ACP	api-key, 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
Firmly.ai Agentic checkout that makes any digital surface shoppable while the merchant stays merchant of record OpenAPI	checkout+3	OpenAPI	ACP	api-key, Merchants	3/5