wind-sim

wind-sim is a skill for Claude Code, Codex from NanxiiChen/wind-simulation-GPU. It costs 98 tokens per session (2,175 once invoked), scanned A, original, GPL-3.0.

A library for simulating changing wind fields using JAX, PyTorch, or NumPy, which are tools for numerical and machine-learning computations. It supports both steady and changing-over-time simulations.

In plain words
What is it for?
Use it when running simulations or benchmarks, checking results, or developing the library’s algorithms, backends, and configuration system.
Why use it?
The input does not describe a specific problem it removes beyond providing wind-field simulation support.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it when running simulations or benchmarks, checking results, or developing the library’s algorithms, backends, and configuration system.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nanxiichen/wind-simulation-gpu/wind-simulation-gpu
Install

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.

Any agent
npx skills add NanxiiChen/wind-simulation-GPU --skill wind-simulation-gpu
Clone the repo
git clone --depth 1 https://github.com/NanxiiChen/wind-simulation-GPU

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for wind-sim

README.md
[![agentmods](https://agentmods.dev/badge/skills/nanxiichen/wind-simulation-gpu/wind-simulation-gpu/github.svg)](https://agentmods.dev/skills/nanxiichen/wind-simulation-gpu/wind-simulation-gpu)
Your own site
<a href="https://agentmods.dev/skills/nanxiichen/wind-simulation-gpu/wind-simulation-gpu"><img src="https://agentmods.dev/badge/skills/nanxiichen/wind-simulation-gpu/wind-simulation-gpu/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.

agentmods 80×15 button for wind-sim

Your own site · 80×15
<a href="https://agentmods.dev/skills/nanxiichen/wind-simulation-gpu/wind-simulation-gpu"><img src="https://agentmods.dev/badge/skills/nanxiichen/wind-simulation-gpu/wind-simulation-gpu.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 98 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,175 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00098 $0.02175
Opus 5.5 $0.00039 $0.00870
Sonnet 5.5 $0.00020 $0.00435
Haiku 4.5 $0.00010 $0.00217

Measured 2mo ago against content hash 2c38e835bc79, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

wind-sim 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 2mo ago.

The scan reads SKILL.md. This mod also ships 6 executable files (examples/basic_usage.py, examples/custom_spectrum.py, examples/nonstationary_custom_psd.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

SKILL.md · 177 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

6 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.

Changes

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.

  1. 2mo ago First seen · 177 lines · 98 tokens per session scan A 2c38e835bc79

Subscribe to this mod's changes

wind-sim is a skill published in the GitHub repository NanxiiChen/wind-simulation-GPU (10 stars, last pushed 3mo ago), licensed GPL-3.0. It adds 98 tokens to every session and 2,175 once invoked, about $0.0004 per session on Opus 5.5. 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.

Related

wind-sim compared with skills from other repositories

wind-sim next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
wind-simNanxiiChen/wind-simulation-GPUSkill103mo agoGPL-3.0A98Claude Code, Codex
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matlabK-Dense-AI/scientific-agent-skillsSkill56k4d agoMITA44Claude Code
phylogeneticsK-Dense-AI/scientific-agent-skillsSkill56k4d agoMITA71Claude Code, Codex
research-engineerdavila7/claude-code-templatesSkill33kyesterdayMITA43Claude Code, Codex
mapping-to-snomedmaziyarpanahi/openmedSkill5.8kyesterdayApache-2.0A205Claude Code