Fluent, type-safe schema validation and JSON Schema generation for Go. Supports strings, numbers, arrays, objects, unions, conditionals, nullable/optional fields, custom errors, formats, and full i18n error messaging. Build complex validation logic with a clean, chainable API and export standard JSON Schema.
A fast, zero-dependency Go CLI framework with automatic flag inheritance, type-safe arguments, lifecycle hooks, context support, and full shell completion. Build fluent, powerful command hierarchies with minimal code. Clean API, rich docs, and production-ready features.
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