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cfd-code-modify

cfd-code-modify is a skill for Claude Code, Codex from csml-rpi/AI-CFD-Scientist. It costs 82 tokens per session (10,122 once invoked), scanned A, original, no licence file.

A skill for adding a custom OpenFOAM model inside a simulation case. It creates C++ code, compiles it with OpenFOAM's build tools, and performs a basic test run.

In plain words
What is it for?
Use it to add custom viscosity, turbulence, source-term, or fvOption models to a case and test the compiled result.
Why use it?
It provides a defined process for changing the simulation's equations or source terms while checking that the code builds and runs.

Skill for Claude CodeCodex

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

not rated 60repo +2 16d ago A scan 82 tokens no licence

Good fit Use it to add custom viscosity, turbulence, source-term, or fvOption models to a case and test the compiled result.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/csml-rpi/ai-cfd-scientist/cfd-code-modify
View source ↗ csml-rpi/AI-CFD-Scientist
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 csml-rpi/AI-CFD-Scientist --skill cfd-code-modify
Clone the repo
git clone --depth 1 https://github.com/csml-rpi/AI-CFD-Scientist

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 cfd-code-modify

README.md
[![agentmods](https://agentmods.dev/badge/skills/csml-rpi/ai-cfd-scientist/cfd-code-modify/github.svg)](https://agentmods.dev/skills/csml-rpi/ai-cfd-scientist/cfd-code-modify)
Your own site
<a href="https://agentmods.dev/skills/csml-rpi/ai-cfd-scientist/cfd-code-modify"><img src="https://agentmods.dev/badge/skills/csml-rpi/ai-cfd-scientist/cfd-code-modify/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 cfd-code-modify

Your own site · 80×15
<a href="https://agentmods.dev/skills/csml-rpi/ai-cfd-scientist/cfd-code-modify"><img src="https://agentmods.dev/badge/skills/csml-rpi/ai-cfd-scientist/cfd-code-modify.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 82 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 10,122 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 $0.00082 $0.10122
Opus 5.5 $0.00033 $0.04049
Sonnet 5.5 $0.00016 $0.02024
Haiku 4.5 $0.00008 $0.01012

Measured 2mo ago against content hash 9130ee636e6b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cfd-code-modify 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.

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.

cfd-skills/cfd-code-modify/SKILL.md · 865 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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 · 865 lines · 82 tokens per session scan A 9130ee636e6b

Subscribe to this mod's changes

cfd-code-modify is a skill published in the GitHub repository csml-rpi/AI-CFD-Scientist (60 stars, last pushed 16d ago), with no licence file. It adds 82 tokens to every session and 10,122 once invoked, about $0.0003 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 2026-08-30.

C and C++LanguagesScientific
Related

cfd-code-modify compared with skills from other repositories

cfd-code-modify next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
cfd-code-modifycsml-rpi/AI-CFD-ScientistSkill6016d agononeA82Claude Code, Codex
cuopt-numerical-optimization-apiNVIDIA/skillsSkill3.9kyesterdayApache-2.0A51Claude Code, Codex
cuopt-developerNVIDIA/cuoptSkill1.1kyesterdayApache-2.0B47Cursor
cuda-c-basicsmindspore-ai/akgSkill2652d agoApache-2.0A21Claude Code, Codex
huawei-cloud-ascendc-operator-performance-optimhuaweicloud/huaweicloud-skillsSkill59todayMITA146Claude Code
torchtalk-analyzeropendatahub-io/ai-helpersSkill392d agoApache-2.0A58Claude Code
torchtalk-traceopendatahub-io/ai-helpersSkill392d agoApache-2.0A24Claude Code