Services — the AI agent directory

Services in the directory
Service	Tags	Interfaces	Payments	Auth	Score
Coinbase Developer Platform Server wallets, AgentKit, and the public x402 facilitator agents use to sign and settle stablecoin payments MCPOpenAPIllms.txt	wallets+4	MCP+2	x402	wallet, Payments	5/5
ATXP Agent payments platform wrapping x402 wallets, per-call billing, and a hosted tool marketplace agents can spend against MCPOpenAPIllms.txt	x402+4	MCP+2	x402	wallet, Payments	4/5
Crossmint Agent wallets, on-ramps, and headless checkout across stablecoin (x402) and card rails MCPOpenAPI	agent-wallets+4	MCP+1	x402	wallet, Payments	4/5
Fewsats Wallet and MCP server that lets an agent pay L402 and x402 paywalls without a human in the loop MCPOpenAPI	l402+4	MCP+1	L402+1	wallet, Payments	4/5
L402 HTTP 402 payment standard over Lightning — macaroon-based credentials for pay-per-request access, with the Aperture reverse proxy as reference implementation OpenAPIllms.txt	l402+5	OpenAPI+1	L402	wallet, Payments	4/5
Skyfire KYA agent identity plus wallets and pay-per-call settlement so services can charge unknown agents safely MCPOpenAPIllms.txt	agent-identity+4	MCP+2	x402	wallet, 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