kitkeen 

O(1) MCC code to merchant category lookup for .NET. Maps ~900 Merchant Category Codes (ISO 18245) into 27 human-readable categories. Thread-safe, zero-allocation array-based lookup, highly extensible.

CLI tool to scan .NET microservice entry points, trace message flows, and resolve DI dependency chains.

O(1) NACE Rev. 2.1 code lookup for .NET. Maps 651 class codes (sections A–V) to descriptions and section names. Thread-safe, zero-allocation after initialization, no external dependencies.