FOLIO FAQs

Question 1

What kind of legal information does FOLIO provide?

Accepted Answer

FOLIO encompasses over 18,000 legal concepts across 24 top-level taxonomy branches, including areas of law, document types, legal entities, governmental bodies, asset types, and more. It offers a comprehensive, structured view of legal knowledge.

Question 2

What are the key features for integrating FOLIO into AI applications?

Accepted Answer

Key features include searching concepts by label, name, or definition using fuzzy matching, retrieving full concept details by IRI, navigating the legal taxonomy (branches, parents, children), exporting data in various formats (markdown, JSON-LD, OWL XML), and discovering semantic triples.

Question 3

Is FOLIO an open-source project?

Accepted Answer

Yes, FOLIO is an open-source legal ontology. The FOLIO MCP server code is licensed under MIT, while the underlying ontology data itself is licensed under CC-BY 4.0, promoting broad use and collaboration.

Question 4

What is FOLIO MCP and what does it do?

Accepted Answer

FOLIO MCP (Multi-Modal Command Protocol) is a server that exposes the Federated Open Legal Information Ontology (FOLIO) to AI agents, coding assistants, and agent frameworks. It makes over 18,000 legal concepts searchable and browsable for seamless integration into AI-powered legal applications.

Question 5

How can developers or AI agents access FOLIO's data?

Accepted Answer

You can access FOLIO's legal concepts via its public REST API (https://folio.openlegalstandard.org/), or by running the FOLIO MCP server with an in-process local backend for offline use. It offers native integration for AI coding assistants like Claude Code, Cursor, and VS Code.

FOLIO

FOLIO

Key Features

Use Cases

Key Features

Use Cases