# WorldOfTaxonomy

> Unified Global Classification Knowledge Graph
> 1,000+ systems, 1.2M+ nodes, 321K+ crosswalk edges.
> Open source (MIT). Data is informational only - use at your own risk.

Full classification guides available at: https://worldoftaxonomy.com/guide/
Full LLM reference: https://worldoftaxonomy.com/llms-full.txt

## Guide Pages

- [Getting Started with WorldOfTaxonomy](https://worldoftaxonomy.com/guide/getting-started)
- [Systems Catalog - All 1,000+ Classification Systems](https://worldoftaxonomy.com/guide/systems-catalog)
- [Crosswalk Map - How Classification Systems Connect](https://worldoftaxonomy.com/guide/crosswalk-map)
- [Industry Classification Guide - Which System to Use](https://worldoftaxonomy.com/guide/industry-classification)
- [Medical and Health Classification Systems Compared](https://worldoftaxonomy.com/guide/medical-coding)
- [Trade and Product Classification Guide](https://worldoftaxonomy.com/guide/trade-codes)
- [Occupation Classification Systems Compared](https://worldoftaxonomy.com/guide/occupation-systems)
- [Categories and Sectors - How Systems Are Organized](https://worldoftaxonomy.com/guide/categories-and-sectors)
- [Domain Taxonomies vs Official Standards](https://worldoftaxonomy.com/guide/domain-vs-standard)
- [Data Quality and Provenance](https://worldoftaxonomy.com/guide/data-quality)
- [System Architecture and Data Flows](https://worldoftaxonomy.com/guide/architecture)

## API
Base URL: https://worldoftaxonomy.com/api/v1

## MCP Server
Install: python -m world_of_taxonomy mcp
Transport: stdio, 25 tools, wiki resources