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 equinor/neqsim-community-skills --skill compressor-antisurge-recyclegit clone --depth 1 https://github.com/equinor/neqsim-community-skillsWrote 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-community-skills/compressor-antisurge-recycle)<a href="https://agentmods.dev/skills/equinor/neqsim-community-skills/compressor-antisurge-recycle"><img src="https://agentmods.dev/badge/skills/equinor/neqsim-community-skills/compressor-antisurge-recycle/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.
<a href="https://agentmods.dev/skills/equinor/neqsim-community-skills/compressor-antisurge-recycle"><img src="https://agentmods.dev/badge/skills/equinor/neqsim-community-skills/compressor-antisurge-recycle.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00103 | $0.07404 |
| Opus 5 | $0.00051 | $0.03702 |
| Sonnet 5 | $0.00021 | $0.01481 |
| Haiku 4.5 | $0.00010 | $0.00740 |
Grade A, and why
neqsim-compressor-antisurge-recycle 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 12d 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 — 631 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Compressor Anti-Surge Recycle Setup
This skill explains how to protect a centrifugal compressor against surge in a
NeqSim ProcessSystem by adding a recycle (spill-back) loop. It covers the
preferred steady-state helper (AntiSurgeRecycleCalculator), the dynamic
reverse-acting PI controller (AntiSurgeController), and the application-level
supervisor (CompressorAntiSurgeApplication) that can bind directly to real
NeqSim topology objects such as a compressor, hot recycle valve, cold recycle
valve, cooler, mixer, recycle blocks, and ProcessSystem. It also explains how
to auto-generate a compressor chart with surge and stonewall curves when no
vendor chart is available, because every anti-surge option needs a surge limit
to act against.
The pure-Python helper (AntiSurgeRecycleModel) is an educational planning aid
that mirrors NeqSim's proportional anti-surge step so an agent can pre-estimate
the recycle flow and decide whether a chart must be generated first. Real
control design must use the validated NeqSim equipment classes below and a
qualified rotating-equipment review (API 617 / API 692).
When to Use
Use this skill when:
- A NeqSim compressor operating point can fall to the left of its surge line at low throughput (turndown, start-up, trips) and needs recycle protection.
- You must build the anti-surge recycle topology (surge curve, recycle stream,
discharge splitter or recycle branch, anti-surge valve,
Recycle, and optional cooler/mixer). - You need an executable dynamic application model where
CompressorAntiSurgeApplicationwrites hot/cold recycle valve openings and optional compressor speed runback to real NeqSim units. - No vendor compressor chart is provided and a chart with surge and stonewall curves must be generated from the compressor's design point.
- You want a screening estimate of the recycle flow required to keep the compressor off surge before running the full simulation.
Do not use this skill as a substitute for vendor performance maps, anti-surge controller tuning, dynamic surge/transient analysis, or rotating-equipment design review.
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.
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.
- 12d ago First seen · 631 lines · 103 tokens per session scan A 0843e1286540
neqsim-compressor-antisurge-recycle is a skill published in the GitHub repository equinor/neqsim-community-skills (2 stars, last pushed yesterday), licensed Apache-2.0. It adds 103 tokens to every session and 7,404 once invoked, about $0.0005 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 2026-08-31.
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