Validation library with type-safe schemas and rules

Flexible type system for Ruby with coercions and constraints

Parameter Validation & Type Coercion for Sinatra

Coercion and validation for data structures

Validation mixin for Ruby objects

Conversion from one object type to another with a bit of black magic.

Declarative input schemas for Ruby apps.

Data structures, validation, coercion and processing toolkit for Ruby

`Rack::Request.params` validation and type coercion, on Rack.

A type coercion lib works with Sorbet's static type checker and type definitions

Request parameters validations, type coercion and filtering for Rails params

Simple and composable validation and coercion of data structures

Forms with integrated validations and attribute coercing.

Ruby validation and documentation generation. Write validation code and get generated documentation that you don't have to maintain!

The Tuple type implementation for Dry::Types

Dress up your Ruby objects with garments from Wardrobe!

Transform, parse, coerce, validate, it's all just a chain of transformations. Replacement/extension for Reform.

Ruby environment variables with schema validation and coercion.

define typed attributes on arbitrary Ruby classes