Open Knowledge Format (OKF) v0.2 guidance. Use when creating, reading, reviewing, or maintaining an OKF bundle; responding to OpenKnowledge `okf` plugin warnings; or choosing types, provenance, links, indexes, or logs.
compatibility
Any agent host with the OpenKnowledge MCP server configured. The optional `okf` plugin provides continuous conformance feedback. # This skill may live inside an OKF bundle, so it carries the required type.
OKF v0.2 is a portable format for agent-readable knowledge: Markdown files, YAML frontmatter, and standard links. The /open-knowledge skill governs tool use; this skill covers OKF semantics.
Core rules
A bundle is a directory tree of .md files. Each non-reserved file is one concept; its path without .md is its ID.
Every concept needs parseable frontmatter with a non-empty string type. No other field is always required.
Types are an open vocabulary. Consumers must accept unfamiliar types and metadata.
Use standard Markdown links for portable relationships. Broken links and a missing index are allowed.
index.md and log.md are reserved at every level. Use lowercase filenames.
An index.md normally has no frontmatter; only the root index may declare okf_version: "0.2".
A log.md is newest-first; entry headings begin with an ISO date — ## YYYY-MM-DD: Summary (the summary after the date is optional; a bare ## YYYY-MM-DD is equally conformant).
OKF consumers read .md, not .mdx.
Authoring judgment
Make each concept the smallest useful link or citation target. Choose a stable, descriptive type; Document is only a generic fallback.
Do not invent facts, relationships, resources, sources, verification, or history. Missing knowledge is better than false structure.
Use title, description, resource, and tags only when they add real information.
Record provenance in sources. Join claim-level citations with matching sources[].id and Markdown footnotes.
Keep authorship and verification separate: generated says who produced content; verified says who confirmed it. Use exact lowercase human: and process: prefixes when applicable.
Write every provenance timestamp as an ISO 8601 datetime with an explicit UTC offset (stale_after: 2026-12-31T00:00:00Z), never a bare date and never an offsetless time. This covers generated.at, verified[].at, stale_after, sources[].last_modified, and both usage_window bounds. A log.md entry heading is different: it stays a plain YYYY-MM-DD date.
Treat status: deprecated and expired stale_after values as trust signals, not validation errors.
For type: Attested Computation, follow the declared runtime and parameters. Do not rewrite the sanctioned computation.
Read and maintain a bundle
Start with the nearest index.md, inspect frontmatter, then follow only relevant links.
Prefer current, verified sources, but tolerate unknown types and incomplete links.
If the bundle conflicts with an assumption, trust the bundle; if it is missing or inconsistent, say so.
Write durable discoveries back to the relevant concept and authored enumerations.
Add a truthful dated log.md entry after durable changes when the bundle uses a log.
Read legacy timestamp and body citations, but prefer v0.2 generated.at and sources when updating a concept. Never invent provenance while migrating.
OpenKnowledge's okf plugin
The optional project plugin provides continuous portability feedback without blocking writes:
Write-time warnings and project audits check structure, frontmatter, reserved files, links, and .mdx use.
.ok/okf/*.schema.json contains the precise field contracts. Read these generated files instead of guessing; do not edit them.
Deterministic lint findings establish conformance. Agent judgment still establishes whether metadata is true and useful.
Optional index generation maintains index.md files. Generated indexes are machine-owned: never edit them, because OpenKnowledge replaces their contents.
log.md remains authored, not generated.
The plugin is off by default and each rule can be disabled. Its value is early warning when OpenKnowledge-native content would be misread by another OKF consumer.
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Open Knowledge Format (OKF) v0.2 guidance. Use when creating, reading, reviewing, or maintaining an OKF bundle; responding to OpenKnowledge `okf` plugin warnings; or choosing types, provenance, links,
1---2name: okf-knowledge-base3description: Open Knowledge Format (OKF) v0.2 guidance. Use when creating, reading, reviewing, or maintaining an OKF…4---56# packages/server/assets/skills/packs/okf/SKILL.md
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okf-knowledge-base について
Open Knowledge Format (OKF) v0.2 guidance. Use when creating, reading, reviewing, or maintaining an OKF bundle; responding to OpenKnowledge `okf` plugin warnings; or choosing types, provenance, links, indexes, or logs.