Posts about CFDI

September 11, 2026

10 min read

Validate Mexican RFC, CURP and CFDI Invoices from Claude, With No API Keys

MCP Claude CFDI Mexico TypeScript AI Agents

Typographic cover on a dark green grid: RFC · CFDI in large serif letters, a validate_rfc call on XAXX010101000 showing check_digit_satisfied false and is_generic true, and the npx command for mx-fiscal-mcp-server

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