# FOLIO Legal Ontology

> Use this tool when you need to navigate and search complex legal concepts, or integrate legal ontologies into AI applications. It solves problems related to legal information retrieval, taxonomy navigation, and data export by providing access to 18,000+ legal concepts across 24 taxonomy branches. The FOLIO Legal Ontology takes in search queries, labels, or definitions and outputs results in markdown, JSON-LD, or OWL XML formats.

Canonical page: https://skillsregistry.net/skills/alea-institute-folio  
JSON: https://api.skillsregistry.net/v1/skills/alea-institute-folio

## Description

Wraps the Federated Open Legal Information Ontology (FOLIO) for use in AI agents. Enables searching and browsing 18,000+ legal concepts across 24 taxonomy branches including areas of law, document types, legal entities, governmental bodies, and more. Supports concept search by label or definition, taxonomy navigation, OWL property queries, and export in markdown, JSON-LD, or OWL XML formats.

## Trust

- **Trust score (0–1):** 0.97
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/alea-institute-folio)
- **Repository:** <https://github.com/alea-institute/folio-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "alea-institute-folio"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/alea-institute-folio` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/alea-institute-folio/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt