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/hashlips/agent-skills/agent-skill-creatornpx skills add HashLips/agent-skills --skill agent-skill-creatorgit clone --depth 1 https://github.com/HashLips/agent-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/hashlips/agent-skills/agent-skill-creator)<a href="https://agentmods.dev/skills/hashlips/agent-skills/agent-skill-creator"><img src="https://agentmods.dev/badge/skills/hashlips/agent-skills/agent-skill-creator.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 | $0.00050 | $0.00443 |
| Opus 5 | $0.00025 | $0.00221 |
| Sonnet 5 | $0.00010 | $0.00089 |
| Haiku 4.5 | $0.00005 | $0.00044 |
Grade A, and why
agent-skill-creator 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 6d 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
Agent Skill Creator
Summary
- Build coherent, reusable Agent Skills with low context cost.
- Keep main
SKILL.mdoperational; move depth into references. - Standardize structure and naming across repository skills.
Core Goals
- Keep
SKILL.mdconcise and action-oriented. - Store long-form guidance in
references/. - Use consistent naming, layout, and discoverability patterns.
- Avoid duplicated guidance across files.
Authoring Workflow
- Define skill intent and trigger scenarios.
- Write frontmatter (
name,description). - Draft minimal operational
SKILL.md. - Move depth into references.
- Add assets only if execution quality materially improves.
- Run quality checklist before finalizing.
- Apply final formatting pass using the available MD Design System skill.
Non-Negotiable Rules
- Frontmatter is required.
nameis lowercase kebab-case.descriptionstates what the skill does and when to use it.descriptionpattern:<what it does>. Use when <trigger scenarios>.- Reference links are one-level deep and description-first.
- Do not duplicate large guidance across main and reference files.
- Before delivery, format produced Markdown with the local MD design system skill.
Reference Index
- Authoring model and structure strategy: references/blueprint.md
- Default file layout and naming: references/file-layout.md
- Final quality gate checklist: references/quality-checklist.md
- Final Markdown formatting contract: available MD Design System skill
When To Use This Skill
- Creating a new skill from scratch.
- Refactoring existing skills for consistency.
- Reducing token overhead in skill packages.
- Standardizing team skill authoring patterns.
What ships with it
3 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.
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.
- 6d ago First seen · 54 lines · 50 tokens per session scan A 6396759c36a6
agent-skill-creator is a skill published in the GitHub repository HashLips/agent-skills (24 stars, last pushed 11d ago), licensed MIT. It adds 50 tokens to every session and 443 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 2026-08-30.
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