DropEngine
Invoice Preflight · PAID MCP TOOL

invoice_preflight_50_pages

Checks invoice fields and calculations against expected purchase details, then returns evidence and a clear review signal.

When an agent should call it

For UBL XML invoices or complete PDF/image invoices. OCR tiers check the full document up to the selected page limit.

Input: PDF/image up to 50 pages

Price: $0.475 USDC per call, paid in USDC via x402 on Base.

MCP connection: one-time setup, then call invoice_preflight_50_pages on each needed workflow.

Each call requests payment for this tool only. The agent receives a structured result and decides what to do next. Check the limits above before acting on risk, market, freshness, or availability results.

MCP endpoint: https://mcp.dropenginehq.com/api/paid-mcp