Amoskeag is a purely functional, statically-validated Domain-Specific Language (DSL) designed for high-security, sandboxed evaluation. It's perfect for: - Business Rules Engines (insurance underwriting, loan approval) - Template Engines (secure alternative to ERB with more power than Liquid) - Spreadsheet Formula Engines (Excel-like calculations) This gem provides native Ruby bindings to the Amoskeag library, compiled from Rust for maximum performance and security.