yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor

A reusable skill kit for AI agents to generate structurally precise and aesthetically standardized draw.io diagrams across major cloud platforms and BPMN, with declarative layout, stencils, and validation.

A FAST Kubernetes manifests validator, with support for Custom Resources!

A collection of 66 game-development agent skills with a master router for AI coding agents, supporting multiple engines and tasks.

A robust email syntax and deliverability validation library for Python.

Read your tfstate or HCL to generate a graph specific for each provider, showing only the resources that are most important/relevant.

PHP Email address validator

Kubernetes YAML to Terraform HCL converter

ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.

Cross-platform CLI tool to validate configuration files across 17 formats. Syntax and schema validation with JSON Schema, XSD, and SchemaStore integration. Written in Go.

Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

CSV validator, highlighter and formatter plugin for JetBrains Intellij IDEA, PyCharm, WebStorm, ...