Universal test suite for MCP servers — dual-rail payment testing (x402 + MPP/Tempo), 402 challenge validation, security audit, load testing. Works with any MCP-compatible server.

This fork extends CyberChef with a focused set of payment cryptography operations intended for engineering, debugging, and interoperability work in regulated payment environments.

Payment cryptography workflow library. EMV, DUKPT, PIN blocks, MAC, card validation, TR-31/TR-34, and HSM command inspection. Inspectable recipes for development, testing, and interoperability.

NumGen - A card number generator with Luhn validation. Generates test numbers for educational and testing purposes only. Supports multiple languages.

AI-assisted QA lab for fintech payment systems: risk analysis, test generation, API checks, and quality reports. Public

Um gerador de IBANs portugueses válidos (em formato) para testes de software, desenvolvimento e demonstrações.