Verified monthly-seat catalog, account attribution, quota, overage, and MRR infrastructure.
Free
1,014 MCP servers
Payments & BillingWorks with Windsurf (legacy)
Taiwan payments (ECPay 綠界 + NewebPay 藍新) & e-invoices for AI agents. Stateless, never holds funds.
Free
Thailand payments for AI agents — PromptPay QR, cards, TrueMoney via Opn (Omise). Never holds funds.
Free
Verified agentic-commerce protocol status + merchant agent-readiness reports. Free on testnet.
Free
Private USDC/USDT payments on Solana: hidden amounts, unlinkable, optional auditor.
Free
United States payments for AI agents — Stripe checkout via Stripe. Never holds funds.
Free
Wen Receipts: the site's own MCP server — dataset, enquiry, entities, listing (enquiry = a human...
Free
Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.
Free
Pay-per-call onchain reads (Base, Ethereum, Gnosis), token verdicts and LLM chat over x402 USDC
Free
Read Bill4Time clients, projects, time entries, expenses, invoices, payments, users and contacts.
Free
Read Billomat clients, invoices, offers, credit notes, reminders; create clients and draft invoices.
Free
Read Billy invoices, bills, contacts, products and postings; create contacts and draft invoices.
Free
Read ChargeOver customers, invoices, transactions, subscriptions, reports; create customers, quotes.
Free
Pay-per-call tx explainer, DeFi yields, token safety, SEC 8-K and OFAC data via x402 (USDC on Base).
Free
186 pay-per-call tools: search, LLMs, UK KYB, FRED, Census, maps, crypto. x402 USDC.
Free
USDC invoicing on Base: send invoices, share pay links, track payments and customers.
Free
Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.
Free
Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.
Free
ARCA electronic invoices (formerly AFIP) for Argentina: CUIT registration, invoices with CAE, PDF and email.
Free
Emissao, consulta e cancelamento de NF-e e NFS-e no Brasil para agentes de IA, via Focus NFe.
Free
23 agent tools via x402: crypto data, tx checks, web fetch. MCP pays Base USDC; HTTP adds 3 rails.
Free