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 equinor/fusion-skills --skill fusion-skill-authoringgit 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/skills/equinor/fusion-skills/fusion-skill-authoring)<a href="https://agentmods.dev/skills/equinor/fusion-skills/fusion-skill-authoring"><img src="https://agentmods.dev/badge/skills/equinor/fusion-skills/fusion-skill-authoring/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/equinor/fusion-skills/fusion-skill-authoring"><img src="https://agentmods.dev/badge/skills/equinor/fusion-skills/fusion-skill-authoring.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
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 | $0.00084 | $0.03168 |
| Opus 5 | $0.00042 | $0.01584 |
| Sonnet 5 | $0.00017 | $0.00634 |
| Haiku 4.5 | $0.00008 | $0.00317 |
Grade A, and why
fusion-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 3d 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 — 301 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create or Modernize Skills
When to use
Activate when creating a new skill under skills/, or when an existing skill needs a material authoring refresh.
Typical triggers:
- "Create a skill for ..."
- "Scaffold
skills/<name>/SKILL.md" - "Turn this workflow into a reusable skill"
- "Improve this skill's metadata and activation cues"
- "Make this skill easier to discover"
- "Set up references/assets/helper agents for a skill"
Implicit triggers:
- Recurring task keeps requiring the same instructions or safety boundaries
- Existing skill is too vague, too long, poorly routed, or missing structure
- User wants a reusable workflow package, not a one-off prompt
When not to use
- Editing product or application code outside
skills/ - Tiny typo-only edits that don't need authoring workflow help
- Requests better solved as docs, templates, or scripts without an installable skill
- Large unrelated repo refactors
- Destructive commands or hidden network automation
Required inputs
If required inputs are missing, ask concise targeted questions first.
Use assets/follow-up-questions.md as the default question bank.
Mandatory
Collect before drafting:
- Whether this is a new skill, update, or not a skill at all
- Target repo path and intended skill directory
- Base skill name in kebab-case before any prefix/namespace
- Final skill name in kebab-case; default to
custom-<base-skill-name>unless repo has different convention - One-sentence purpose and user outcome
- Concrete activation cues: trigger phrases, domain keywords, anti-triggers
- Expected output: files, commands, or decisions the skill produces
- Safety boundaries and approval requirements
Conditional
Collect when relevant:
- Naming prefix, namespace, or catalog convention
- Skill category: capability uplift or workflow/encoded preference
- Composition: standalone, orchestrator, or subordinate
- Repository-specific ownership, lifecycle, or release policy
- Orchestrator relationship:
metadata.orchestratorfor subordinates,metadata.skillsfor orchestrators - Target status (
active,experimental,deprecated,archived) compatibilitytext when skill has real environment constraints- MCP requirements (
metadata.mcp.required/metadata.mcp.suggested) - Whether helper agents in
agents/would sharpen scoping, review, or trigger tuning - Whether deterministic automation justifies a
scripts/directory
What ships with it
10 files 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.
- agents/devils-advocate.md 4.2 KB
- agents/reviewer.md 2.7 KB
- agents/scoper.md 2.2 KB
- agents/trigger-tuner.md 1.9 KB
- assets/follow-up-questions.md 3.5 KB
- assets/skill-readiness-checklist.md 1.7 KB
- CHANGELOG.md 6.9 KB
- references/skill-authoring-platform-references.md 5.5 KB
- references/skill-template-baseline.md 1.1 KB
- references/validation-signals.md 1.0 KB
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.
- 3d ago Changed bce751ce62ba
- 8d ago First seen · 301 lines · 84 tokens per session scan A ab1d77f2433b
fusion-skill-authoring is a skill published in the GitHub repository equinor/fusion-skills (1 stars, last pushed 2d ago), licensed MIT. It adds 84 tokens to every session and 3,168 once invoked, about $0.0004 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 2026-09-03.
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