"Invoice Ninja" matching MCP connectors:

Order official German energy certificates (Energieausweis) from chat — on invoice, 1-2 days.

Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.

Agent bookkeeping, sanctions, KYB, VAT and e-invoice checks - pay per call in USDC

Pay any Algorand x402 invoice with any asset, plus DEX swap quotes and unsigned builds.

KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.

API Ninjas MCP — wraps the multi-endpoint API Ninjas data API (api-ninjas.com)