Validation

Varlock is a schema-driven environment variable management tool designed specifically for AI safety and secure configuration. It enables developers...

Instructor is a Python library that simplifies extracting structured data from LLMs by using Pydantic models for validation and schema definition. It...

DSS is a specialized Java framework for creating, validating, and extending advanced electronic signatures across multiple formats (XAdES, CAdES,...

Gatekeeper is a policy controller for Kubernetes that extends OPA (Open Policy Agent) with native CRD support, mutation capabilities, audit...

Marshmallow is a Python library for converting complex objects to and from simple Python datatypes, enabling validation, deserialization, and...

A comprehensive JSON Schema validator library for Go supporting drafts 4, 6, 7, 2019-09, and 2020-12. It excels at standards compliance (passing...

kpt is a package-centric toolchain for automating Kubernetes configuration editing and delivery at scale, built around the "Configuration as Data"...

msgspec is a high-performance serialization and validation library for Python supporting JSON, MessagePack, YAML, and TOML formats. It specializes in...

Protovalidate is a semantic validation library for Protocol Buffers that provides standard annotations and CEL-based custom validation rules across...

Zog is a schema validation and parsing library for Go inspired by Zod (TypeScript) and Yup, enabling runtime value validation with a method-chaining...

JSON Schema is a vocabulary and specification for validating, annotating, and manipulating JSON documents. This repository contains the...

KCL is a constraint-based record and functional programming language designed for generating and validating complex cloud-native configurations...

Pydantic is a data validation library that uses Python type hints to define and enforce data schemas, offering fast parsing and extensible...

Pandera is a statistical data validation library for dataframe-like objects (pandas, polars, pyspark, etc.) that enables developers to define and...

A lightweight Go library for identifying file types by examining magic number headers, without external dependencies. It serves developers and...

Valibot is a modular, type-safe schema validation library for TypeScript that validates data at runtime with minimal bundle size (starting under 700...

Conform is a progressive enhancement form library for React that prioritizes resilience, type safety, and web standards compliance, with native...

Nutype is a Rust proc macro that adds validation and sanitization constraints to the newtype pattern, enabling compile-time and runtime guarantees...

jsonschema is a mature Python implementation of the JSON Schema specification, supporting all major draft versions (3 through 2020-12). It serves...

CUE is a configuration language and validation framework that combines schema definition, data validation, and policy enforcement for text-based...

Remult is a full-stack TypeScript framework that uses entities as a single source of truth for CRUD APIs, frontend type-safe clients, and backend...

Pkl is a configuration-as-code language designed for writing and validating configuration files with rich type checking and tooling support. It fills...

Validate is a Go library for data validation and filtering that supports Maps, Structs, and HTTP request data with over 70 built-in validators and...

A widely-used Go struct validation library that provides comprehensive field and cross-field validation capabilities, including support for nested...

Superforms is a TypeScript library that streamlines form handling in SvelteKit by providing server- and client-side validation, automatic type...

webargs is a Python library for parsing and validating HTTP request arguments across popular web frameworks (Flask, Django, Bottle, Tornado, Pyramid,...

class-validator is a TypeScript decorator-based validation library that validates class properties using validator.js internally. It excels for data...

Standard Schema defines a set of TypeScript interfaces that enable schema validation libraries to interoperate through a common specification,...

International Telephone Input is a specialized input component library for entering, formatting, and validating phone numbers across different...

React Hook Form is a lightweight, performant library for managing form state and validation in React and React Native applications. It excels at...