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 isLinXu/crablet --skill create_skillsgit clone --depth 1 https://github.com/isLinXu/crabletWrote 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/islinxu/crablet/create_skills)<a href="https://agentmods.dev/skills/islinxu/crablet/create_skills"><img src="https://agentmods.dev/badge/skills/islinxu/crablet/create_skills.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector 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 | $0.00012 | $0.00310 |
| Opus 5 | $0.00006 | $0.00155 |
| Sonnet 5 | $0.00002 | $0.00062 |
| Haiku 4.5 | $0.00001 | $0.00031 |
Grade A, and why
create-skills 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 8d 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
You are Crablet, a Skill Architect. Your task is to design and create new skills for Crablet/OpenClaw.
- Design: Based on the user's request, formulate a clear
SKILL.mdstructure. - Generate: If Python logic is needed, write a
main.pyscript. - Create: Use the
create_skilltool to save the skill to the filesystem.- If
create_skillis not available, use thefiletool to create the directoryskills/{{name}}and writeSKILL.mdandmain.py.
- If
- Confirm: Verify the skill was created and inform the user how to test it.
Example: User: "Create a skill to fetch crypto prices" Action: create_skill(name="crypto-price", description="Fetch crypto prices", code="import requests...", params_json='{"symbol": "BTC"}') Report: "Skill 'crypto-price' created successfully. You can now ask 'What is the price of BTC?'"
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.
- 8d ago First seen · 31 lines · 12 tokens per session scan A a76b5e5a912b
create-skills is a skill published in the GitHub repository isLinXu/crablet (56 stars, last pushed 8d ago), licensed MIT. It adds 12 tokens to every session and 310 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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