---
type: GlossaryTerm
id: https://w3id.org/ktl/registrar/knowledge/glossary/okf
title: OKF
resource: https://github.com/GoogleCloudPlatform/open-knowledge-format/blob/main/SPEC.md
definition: Open Knowledge Format - a directory of Markdown files with YAML frontmatter, one concept per file, whose only hard requirement is a non-empty type.
abbreviation: OKF
definedBy:
- https://w3id.org/ktl/registrar/knowledge/references/okf-specification
generated:
  by: process:ktl-librarian
  at: "2026-10-15T23:50:48Z"
description: "OKF, the Open Knowledge Format: a folder of Markdown files with YAML frontmatter, one concept per file, whose only hard requirement is a type."
verified:
- by: process:ktl-librarian
  at: "2026-10-15T23:50:48Z"
---

# Overview

LOKF is a semantic profile *of* OKF, not a replacement for it. Every LOKF bundle is also a valid OKF bundle.