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/equinor/neqsim/neqsim-capability-mapnpx skills add equinor/neqsim --skill neqsim-capability-mapgit clone --depth 1 https://github.com/equinor/neqsimWrote 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/equinor/neqsim/neqsim-capability-map)<a href="https://agentmods.dev/skills/equinor/neqsim/neqsim-capability-map"><img src="https://agentmods.dev/badge/skills/equinor/neqsim/neqsim-capability-map.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 | $0.00069 | $0.11681 |
| Opus 5 | $0.00034 | $0.05840 |
| Sonnet 5 | $0.00014 | $0.02336 |
| Haiku 4.5 | $0.00007 | $0.01168 |
Grade A, and why
neqsim-capability-map 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 5d 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.
How it starts
The opening of the file, as written. The whole thing — 685 lines — stays where its author put it; the contents beside it link to each section on GitHub.
NeqSim Capability Map
Structured reference of what NeqSim can do, organized by engineering discipline. Use this to quickly check if a capability exists before searching the source code.
Last updated: 2026-08-02
A. Thermodynamic Models (Equations of State)
Cubic EOS
| Class | Fluid Type | Mixing Rule | Notes |
|---|---|---|---|
SystemSrkEos |
Dry/lean gas, simple HC | "classic" |
Most common choice |
SystemPrEos |
General HC, oil systems | "classic" |
Better liquid densities than SRK |
SystemPrEos1978 |
HC with Peng-Robinson 1978 | "classic" |
Updated alpha function |
SystemPrEosvolcor |
PR with volume correction | "classic" |
Volume-translated PR |
SystemSrkEosvolcor |
SRK with volume correction | "classic" |
Volume-translated SRK |
SystemSrkPenelouxEos |
SRK with Peneloux correction | "classic" |
Volume shift |
SystemSrkMathiasCopeman |
SRK + Mathias-Copeman alpha | "classic" |
Better vapor pressure fit |
SystemPrMathiasCopeman |
PR + Mathias-Copeman alpha | "classic" |
Better vapor pressure fit |
SystemSrkTwuCoonEos |
SRK + Twu-Coon alpha | "classic" |
TST-type alpha function |
SystemRKEos |
Redlich-Kwong (original) | "classic" |
Historical / teaching |
SystemPrDanesh |
PR-Danesh variant | "classic" |
Oil recovery applications |
SystemPsrkEos |
Predictive SRK (group contribution) | — | No BIPs needed for some systems |
SystemSrkSchwartzentruberEos |
SRK + Schwarzentruber-Renon | "classic" |
Polar compounds |
Association & Polar EOS (CPA)
| Class | Fluid Type | Mixing Rule | Notes |
|---|---|---|---|
SystemSrkCPAstatoil |
Water, MEG, methanol, polar | 10 (numeric) |
Primary CPA choice |
SystemSrkCPA |
CPA (generic) | 10 |
Base CPA |
SystemSrkCPAs |
CPA simplified | 10 |
Faster CPA variant |
SystemPrCPA |
PR-based CPA | 10 |
PR + association |
SystemElectrolyteCPAstatoil |
Brines, salt solutions | 10 |
Electrolyte + CPA |
SystemElectrolyteCPA |
Electrolyte CPA | 10 |
Base electrolyte |
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.
- 5d ago First seen · 685 lines · 69 tokens per session scan A 6ff8c106f76d
neqsim-capability-map is a skill published in the GitHub repository equinor/neqsim (150 stars, last pushed today), licensed Apache-2.0. It adds 69 tokens to every session and 11,681 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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