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 commands/lex669/lumericalfdtd-skill/fdtd-modelgit clone --depth 1 https://github.com/Lex669/LumericalFDTD-skillWrote 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/commands/lex669/lumericalfdtd-skill/fdtd-model)<a href="https://agentmods.dev/commands/lex669/lumericalfdtd-skill/fdtd-model"><img src="https://agentmods.dev/badge/commands/lex669/lumericalfdtd-skill/fdtd-model.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 | $0.00035 | $0.00184 |
| Opus 5 | $0.00017 | $0.00092 |
| Sonnet 5 | $0.00007 | $0.00037 |
| Haiku 4.5 | $0.00003 | $0.00018 |
Grade A, and why
fdtd-model 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.
What it actually says
FDTD 结构建模
使用 LumericalFDTD-modeling skill 完成以下工作：
- 理解需求：确认器件结构（几何参数、材料）、光源（波长范围、偏振）、监视器要求
- 编写建模脚本：生成包含结构构建、材料设置、光源、监视器、网格覆盖的 Python 代码
- 输出
*_model.py（纯建模，不含fdtd.run()）
如需仿真执行，请使用
/fdtd-simulate。如需端到端全流程，请使用/fdtd-full。
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 First seen · 15 lines · 35 tokens per session scan A 33bbe8335e90
fdtd-model is a command published in the GitHub repository Lex669/LumericalFDTD-skill (23 stars, last pushed 14d ago), licensed MIT. It adds 35 tokens to every session and 184 once invoked, about $0.0002 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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