# YGit Schema Registry > Official JSON Schema registry, documentation, examples, and validation reference for the YGit ecosystem, VPMS (Vib Project Manifest Specification), DPMS (Documentation Package Manifest Specification), and VibTools product catalog manifests. The YGit Schema Registry provides versioned, machine-verifiable JSON Schema Draft 2020-12 specifications for structuring project metadata, documentation packages, and software catalogs. ## Schemas - [VPMS Version 1](https://schema.ygit.dev/schemas/vibproject/): Vib Project Manifest Specification Version 1 for software project metadata. - [VPMS Version 2](https://schema.ygit.dev/schemas/vibproject-v2/): Frozen Version 2 specification for project manifests. - [DPMS Version 1](https://schema.ygit.dev/schemas/dpms/): Documentation Package Manifest Specification for multi-version documentation trees. - [VibTools Manifest](https://schema.ygit.dev/schemas/vibtools/): Product catalog manifest for 1-click GitHub repository import. - [All Schemas](https://schema.ygit.dev/schemas/): Complete index of all supported JSON Schemas. ## Core Documentation - [Getting Started](https://schema.ygit.dev/docs/getting-started/): Overview of YGit manifests, canonical schema URIs, and basic workflows. - [Installation](https://schema.ygit.dev/docs/installation/): Setup instructions for schema validation tooling in Python and Node.js. - [Create a Manifest](https://schema.ygit.dev/docs/create-manifest/): Step-by-step guide to authoring your first manifest. - [Schema Reference](https://schema.ygit.dev/docs/schema-reference/): Complete property definitions, nested types, and constraints. - [Validation](https://schema.ygit.dev/docs/validation/): Validating manifests using jsonschema, Python test suites, and CI pipelines. - [Versioning](https://schema.ygit.dev/docs/versioning/): Strict semantic versioning rules, compatibility policies, and immutable URIs. ## Specifications & Guides - [VPMS Version 2 Specification](https://schema.ygit.dev/docs/vpms-v2/): Exhaustive technical specification of VPMS v2. - [DPMS Version 1 Specification](https://schema.ygit.dev/docs/dpms-v1/): Exhaustive technical specification of DPMS v1. - [VibTools Manifest Guide](https://schema.ygit.dev/docs/vibtools-v1/): Catalog specification and automated GitHub import script. - [Best Practices](https://schema.ygit.dev/docs/best-practices/): Production recommendations for authoring and maintaining manifests. - [Migration Guide](https://schema.ygit.dev/docs/migration/): Guide for upgrading between specification versions. - [FAQ](https://schema.ygit.dev/docs/faq/): Frequently asked questions about VPMS and YGit. ## Examples & Registry - [Examples Gallery](https://schema.ygit.dev/examples/): Minimal and full reference manifests for VPMS, DPMS, and VibTools. - [Versions Matrix](https://schema.ygit.dev/versions/): Version history, draft standards, and lifecycle statuses. - [Changelog](https://schema.ygit.dev/changelog/): Release notes and schema evolution history. ## Optional - [Full Context Documentation](https://schema.ygit.dev/llms-full.txt): Aggregated complete text content of all schemas, specifications, guides, and manifest examples for direct LLM ingestion.