"Invoice Ninja" matching MCP connectors:

Free list_products; listed 0.01 USDC on Base. Paid actions need approval. Purchase E2E unverified.

Read-only VNISH firmware metadata, Ninja guidance and input-based mining economics calculations.

Receipt extraction, invoice-to-PO quantity allocation, and free three-document discrepancy checks.

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

Invoicing for businesses and AI agents: invoices, crypto payments, compliance, Invoice Passports.

x402 payment firewall + Agent Credit Bureau. Invoice/verify/score via RLUSD on XRPL.