# Ontology

> Manage ontology schemas, concepts, relationships, and alignments for VeritasReason knowledge graphs.

- Skill: `bibinprathap/ontology` (Agent Skill)
- Install (CLI): `npx skillmds@latest add bibinprathap/ontology`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bibinprathap/ontology/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: bibinprathap (https://skillmd.com/u/bibinprathap)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/bibinprathap/ontology

---


# /veritasreason:ontology

Manage ontology definitions and validation. Usage: `/veritasreason:ontology <task> [args]`

`$ARGUMENTS` = task + optional ontology item or schema file.

---

## `describe <concept>`

Show ontology concept details.

```python
from veritasreason.ontology import OntologyManager

manager = OntologyManager()
concept = manager.get_concept(concept_name)
```

Output: properties, relationships, inherited types, and examples.

---

## `validate [--schema <file>]`

Validate the graph or schema against the ontology.

```python
result = manager.validate_graph(graph=graph, schema_file=schema_file)
```

Return: validation status, errors, and correction suggestions.