OpenAPI 3 mock server. Validates SDKs against OpenAPI specs with clear error attribution.

Sets default values in request properties according to defaults defined in openapi parameter lists.

Amazon States Language validator

Validates cron expressions

A [JSONSchema](https://json-schema.org/) validator that uses code generation to be extremely fast.

A collection of useful code to complement the official convex package.

A json validator that has an option to check for duplicated keys

Reusable adapter for class-validator classes

a node-red custom node to create schemas to validate incoming requests data.

Convert class-validator-decorated classes into JSON schema

Validator middleware using Standard Schema

Valida, formata e gera strings de CPF ou CNPJ, com suporte ao novo formato alfanumérico da RFB e adapters para joi, yup e zod.

Validate XML for Syntax and Business rules without C/C++ based libraries

Deterministic validator for model-produced evolution plans (community build)

Starlight plugin to validate internal links.

Validate OpenAPI documents against the OpenAPI Specification

OpenAPI 3 and 3.1 schema generator and validator for Hono, itty-router and more!

Validate documents against a JSON Schema with Ajv and human-friendly errors

Library for validating glTF 2.0 assets, compiled from Dart to JS.

Lightweight package for API testing to validate API responses against plain JSON schemas, Swagger documents, or OpenAPI documents using the Ajv JSON Schema validator. It can be used directly in any project, but also serves as the core engine for schema va