A directory of services AI agents can actually use — APIs, tools and merchants with machine-readable interfaces and agent payment protocols. Badges are probe-backed, never self-asserted.
| Score |
|---|
 ShopifyMCPOpenAPIllms.txtACPMPPUCP Storefront, Customer Account, Checkout, and Dev MCP servers plus ACP and UCP support across millions of merchants | Merchants | ||
 PostalFormOpenAPIllms.txtMPP Send physical mail and postcards over an API, payable per item over MPP | Merchants | ||
 New York sandwich shop that accepts agent-initiated orders and pays out over MPP | Merchants |
Same query as JSON: /api/v1/services?category=shop&protocol=mpp