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 skills add odarino/haren --skill create-artifactgit clone --depth 1 https://github.com/odarino/harenWrote 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/odarino/haren/create-artifact)<a href="https://agentmods.dev/skills/odarino/haren/create-artifact"><img src="https://agentmods.dev/badge/skills/odarino/haren/create-artifact/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/odarino/haren/create-artifact"><img src="https://agentmods.dev/badge/skills/odarino/haren/create-artifact.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00014 | $0.00374 |
| Opus 5 | $0.00007 | $0.00187 |
| Sonnet 5 | $0.00003 | $0.00075 |
| Haiku 4.5 | $0.00001 | $0.00037 |
Grade A, and why
create-artifact 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 9d 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.
What it actually says
Create Artifact
Write a new artifact file using the correct template and update the artifact registry.
Process
-
Determine artifact type from the caller's context:
- RESEARCH →
artifacts/01-research/ - Context brief →
artifacts/02-discovery/ - Module definition →
artifacts/03-modules/ - Master Spec/Design →
artifacts/04-plans/{module}/(always at root) - Iteration-scoped Spec/Design/Tasks →
artifacts/04-plans/{module}/iteration-{N}/(only when iterations enabled, use active plan path from skill.md) - Iteration file →
artifacts/07-iterations/iteration-{N}.md(only when iterations enabled) - Session log →
artifacts/05-implementation/{module}/ - Review/Test report →
artifacts/06-evaluation/{module}/
- RESEARCH →
-
Load template from
templates/{type}.md -
Fill template with provided content
-
Write file to the correct path
-
Update registry: Append entry to
artifacts/_registry/artifact-index.md:| {ID} | {type} | {module} | {status} | {path} | -
Update links: Call update-links skill if this artifact references others
Rules
- Always use the template — don't write freeform artifacts
- Always update the registry — it's the master index
- Create parent directories if they don't exist
- Use resolve-next-id skill for sequential IDs (RESEARCH artifacts)
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.
- 9d ago First seen · 42 lines · 14 tokens per session scan A a7109ede28e4
create-artifact is a skill published in the GitHub repository odarino/haren (11 stars, last pushed 2mo ago), licensed MIT. It adds 14 tokens to every session and 374 once invoked, about $0.0001 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 2026-08-30.
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