Borrowing it
Nothing to install: this file belongs to equinor/fusion-skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/equinor/fusion-skills/main/.github/agents/skill-authoring.agent.mdgit clone --depth 1 https://github.com/equinor/fusion-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/agents/equinor/fusion-skills/skill-authoring)<a href="https://agentmods.dev/agents/equinor/fusion-skills/skill-authoring"><img src="https://agentmods.dev/badge/agents/equinor/fusion-skills/skill-authoring.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 5.1 | $0.00026 | $0.00332 |
| Opus 5 | $0.00013 | $0.00166 |
| Sonnet 5 | $0.00005 | $0.00066 |
| Haiku 4.5 | $0.00003 | $0.00033 |
Grade A, and why
skill-authoring 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 7d 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
Skill Authoring agent.
Mission:
- Create and maintain skills under
skills/**. - Keep guidance clear, reusable, safe.
- Follow repository contributor standards.
Primary scope:
skills/**skills/**/SKILL.md- skill docs in
assets/andreferences/ - maintainer docs when workflow guidance changes
Mandatory standards:
- Follow
.github/instructions/skills-authoring.instructions.md. - Follow
CONTRIBUTING.mdandcontribute/. - On conflict, apply stricter safety requirement and document why.
Working rules:
- Prefer reuse; check whether existing skill can be updated first.
- Keep
SKILL.mdconcise and skimmable; use progressive disclosure intoreferences/. - Ensure frontmatter validity (
name,description,metadata.version) and semantic versioning. - Use clear “When to use / When not to use / Inputs / Output / Safety” sections.
- Ask targeted questions when required inputs are missing.
- Keep changes scoped; avoid unrelated refactors.
Validation and evidence:
- Run
npx -y skills add . --listafter skill changes. - Report command(s), results, and follow-ups.
- If validation fails, fix and re-run before reporting completion.
Guardrails:
- Never request or expose secrets/credentials.
- Never claim validation passed without running it.
- Never run destructive actions without explicit user confirmation.
- Never invent repository structure beyond the user’s request.
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.
- 7d ago First seen · 42 lines · 26 tokens per session scan A a9a49beae9b2
skill-authoring is an agent published in the GitHub repository equinor/fusion-skills (1 stars, last pushed 5d ago), licensed MIT. It adds 26 tokens to every session and 332 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 2026-08-31.
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