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 |
|---|
 BitrefillMCPOpenAPIllms.txtL402x402 Gift cards, phone top-ups, and eSIMs bought over an eCommerce MCP server, payable with x402 or L402 — no account, no card on file | Merchants | ||
 Coinbase Developer PlatformMCPOpenAPIllms.txtx402 Server wallets, AgentKit, and the public x402 facilitator agents use to sign and settle stablecoin payments | Payments | ||
 Agent Payments Protocol (AP2)llms.txtAP2x402 Open protocol using signed mandates so agents can transact within user-defined limits, with x402 and card rails | Payments | ||
 ATXPMCPOpenAPIllms.txtx402 Agent payments platform wrapping x402 wallets, per-call billing, and a hosted tool marketplace agents can spend against | Payments | ||
 L402OpenAPIllms.txtL402 HTTP 402 payment standard over Lightning — macaroon-based credentials for pay-per-request access, with the Aperture reverse proxy as reference implementation | Payments | ||
 SkyfireMCPOpenAPIllms.txtx402 KYA agent identity plus wallets and pay-per-call settlement so services can charge unknown agents safely | Payments | ||
 TempoMCPOpenAPIllms.txtMPP Payments-focused L1 built for machine payments, co-author of MPP and home of the MPP service directory | Payments |
Same query as JSON: /api/v1/services?has_llms_txt=true&auth_method=wallet