Services — the AI agent directory

Services in the directory
Service	Tags	Interfaces	Payments	Auth	Score
Machine Payments Protocol (MPP) Open HTTP payment standard from Stripe and Tempo covering one-shot, recurring, and streaming agent payments across cards, stablecoins, and Lightning MCPOpenAPIllms.txt	mpp+5	MCP+2	MPP	api-key, Payments	5/5
Stripe Agentic Commerce Suite Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents MCPOpenAPIllms.txt	agentic-commerce+4	MCP+2	ACP+3	api-key, Payments	5/5
Stripe Issuing for Agents Issue virtual cards agents can spend on, with real-time authorization decisions, per-card spend controls, and full transaction visibility MCPOpenAPIllms.txt	virtual-cards+4	MCP+2	MPP	api-key, Payments	5/5
Ramp Scoped virtual cards external agents can spend within company policy, plus an MCP server over spend data MCPOpenAPI	virtual-cards+4	MCP+1	MPP	m2m-oauth, Payments	4/5
Tempo Payments-focused L1 built for machine payments, co-author of MPP and home of the MPP service directory MCPOpenAPIllms.txt	mpp+4	MCP+2	MPP	wallet, Payments	4/5