Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/inkeep/open-knowledge-skills/okf-knowledge-basenpx skills add inkeep/open-knowledge-skills --skill okf-knowledge-basegit clone --depth 1 https://github.com/inkeep/open-knowledge-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/inkeep/open-knowledge-skills/okf-knowledge-base)<a href="https://agentmods.dev/skills/inkeep/open-knowledge-skills/okf-knowledge-base"><img src="https://agentmods.dev/badge/skills/inkeep/open-knowledge-skills/okf-knowledge-base.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00058 | $0.01012 |
| Opus 5 | $0.00029 | $0.00506 |
| Sonnet 5 | $0.00012 | $0.00202 |
| Haiku 4.5 | $0.00006 | $0.00101 |
Grade A, and why
okf-knowledge-base scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 58 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Open Knowledge Format (OKF)
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
.mdfiles. Each non-reserved file is one concept; its path without.mdis 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.mdandlog.mdare reserved at every level. Use lowercase filenames.- An
index.mdnormally has no frontmatter; only the root index may declareokf_version: "0.2". - A
log.mdis newest-first; entry headings begin with an ISO date —## YYYY-MM-DD: Summary(the summary after the date is optional; a bare## YYYY-MM-DDis 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;
Documentis 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, andtagsonly when they add real information. - Record provenance in
sources. Join claim-level citations with matchingsources[].idand Markdown footnotes. - Keep authorship and verification separate:
generatedsays who produced content;verifiedsays who confirmed it. Use exact lowercasehuman:andprocess: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 coversgenerated.at,verified[].at,stale_after,sources[].last_modified, and bothusage_windowbounds. Alog.mdentry heading is different: it stays a plainYYYY-MM-DDdate. - Treat
status: deprecatedand expiredstale_aftervalues as trust signals, not validation errors. - For
type: Attested Computation, follow the declared runtime and parameters. Do not rewrite the sanctioned computation.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago First seen · 58 lines · 58 tokens per session scan A f61ed100b8b7
okf-knowledge-base is a skill published in the GitHub repository inkeep/open-knowledge-skills (6 stars, last pushed yesterday), licensed MIT. It adds 58 tokens to every session and 1,012 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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