schema-validator

🔍 Lint your `.env` files with env_guard: find duplicates, empty values, and invalid keys, while comparing against `.env.example`.

Flexible Python configuration system. The last one you will ever need.

Schema markup validator CLI for JSON-LD structured data: checks every schema.org node on a page against Google's required and recommended rich result properties

🛠️ Build modern web applications easily with FeatherJS, a lightweight JavaScript framework featuring custom routing, state management, and JSX support.

Simplify AJV Schema Validation with TypeScript

Automate AI research tasks with a fully agentic platform that converts papers to publications using Claude Code.

Elixir library for declarative data description and validation

High-performance, tree-shakable schema validation for TypeScript.

Validate GS1 EPCIS 2.0 documents and events against the official JSON Schema, and EPCIS 1.2 or 2.0 XML against the EPCglobal XSDs. Reports every schema error with line and location instead of stopping at the first one. Covers capture and query documents. Java library, REST API, servlet and Quarkus extension.

Pre-configured, standardized JSON schema matrices to automate data payloads between enterprise e-commerce hubs and legacy ERP databases.

🛡️ EnvGuard – A powerful NPM package that validates your .env files against a predefined schema, ensuring all required environment variables are set and secure. Prevent misconfigurations in production by detecting missing values, insecure defaults, and enforcing .env.example consistency across teams.

A FAST C++ library to validate the HTTP requests against the OpenAPI specifications of the REST server.

AI-powered natural language querying platform with schema-grounded LLM generation and a multi-layer SQL safety pipeline

CI/CD-integrated SEO audit tool emulating Googlebot crawl behaviour. 22 audit sections including image-asset redirects, generic redirect-set verification, and orphan-image detection.

portable C++23 command-line tool for validating data files (JSON, YAML, TOML) against a schema.

🔥 JSON Schema Validation Package for Java.

A simple, flexible, and extensible JavaScript/TypeScript data validation library, Allows dynamically Validation with schemas

Schema.org document checker

Schema based validator for AdonisJS

TypeScript friendly Data validator for JavaScript.