Services — the AI agent directory

Gift cards, phone top-ups, and eSIMs bought over an eCommerce MCP server, payable with x402 or L402 — no account, no card on file

MCPOpenAPIllms.txtL402

5/5

Storefront, Customer Account, Checkout, and Dev MCP servers plus ACP and UCP support across millions of merchants

MCPOpenAPIllms.txtACP

5/5

Open-source scheduling with a documented API for availability lookups and booking meetings

llms.txt

4/5

Send physical mail and postcards over an API, payable per item over MPP

OpenAPIllms.txtMPP

4/5

Catalog, orders, and payments APIs for merchants, with a remote MCP server

MCPOpenAPIllms.txt

4/5

Pay-later and payment methods wired into agentic checkout, an early UCP adopter

OpenAPIllms.txtUCP

3/5

Print-on-demand production and fulfillment over a REST API

OpenAPIllms.txt

3/5

Big-box retail inventory participating in UCP agentic shopping journeys

llms.txtUCP

2/5