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 instructions/equinor/neqsim/copilot-instructionsgit clone --depth 1 https://github.com/equinor/neqsimWhat 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 | $0.13741 | $0.13741 |
| Opus 5 | $0.06871 | $0.06871 |
| Sonnet 5 | $0.02748 | $0.02748 |
| Haiku 4.5 | $0.01374 | $0.01374 |
Grade A, and why
neqsim copilot-instructions.md 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.
How it starts
The opening of the file, as written. The whole thing — 663 lines — stays where its author put it; the contents beside it link to each section on GitHub.
NeqSim AI Guidance for Coding Agents
Quick Orientation
Start here: Read
CONTEXT.mdin the repo root for a 60-second overview of the entire codebase - repo map, code patterns, build commands, and constraints.Solving a task? See
docs/development/TASK_SOLVING_GUIDE.mdfor the step-by-step workflow: classify the task, find similar past solutions, write code, verify, log it.Looking for code patterns?
docs/development/CODE_PATTERNS.mdhas copy-paste starters for every common task (fluids, flash, equipment, PVT, tests, notebooks).Was this solved before? Search
docs/development/TASK_LOG.mdfor keywords. Every solved task gets an entry there - check before starting from scratch.
WARNING: CRITICAL: Java 8 Compatibility (READ FIRST)
All code MUST compile with Java 8. The CI build will FAIL if you use Java 9+ features.
This applies to ALL Java files including test classes in src/test/java/.
FORBIDDEN Java 9+ Features (NEVER USE):
| Forbidden | Java 8 Alternative |
|---|---|
"str".repeat(n) |
StringUtils.repeat("str", n) (Apache Commons) |
var x = ... |
Explicit type declaration: String x = ..., Map<String, Object> map = ... |
List.of(a, b) |
Arrays.asList(a, b) or Collections.singletonList(a) |
Set.of(a, b) |
new HashSet<>(Arrays.asList(a, b)) |
Map.of(k, v) |
Collections.singletonMap(k, v) or HashMap |
str.isBlank() |
str.trim().isEmpty() |
str.strip() |
str.trim() |
str.lines() |
str.split("\\R") or BufferedReader |
Optional.isEmpty() |
!optional.isPresent() |
Text blocks """...""" |
Regular strings with \n |
| Records | Regular class with fields |
Pattern matching instanceof |
Traditional instanceof + cast |
Common var Replacement Examples:
// WRONG (Java 10+):
var map = someMethod.toMap();
var list = getItems();
var result = calculate();
// CORRECT (Java 8):
Map<String, Object> map = someMethod.toMap();
List<String> list = getItems();
CalculationResult result = calculate();
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 · 663 lines · 13,741 tokens per session scan A b1bf94bcb428
neqsim copilot-instructions.md is an instructions file published in the GitHub repository equinor/neqsim (147 stars, last pushed 3d ago), licensed Apache-2.0. It adds 13,741 tokens to every session, about $0.0687 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.
Other instructions, from other repositories
clinical-reasoning CLAUDE.md
Instructions for cqframework/clinical-reasoning, a project described as: CQF Clinical Reasoning on FHIR for Java.
liteflow CLAUDE.md
Instructions for dromara/liteflow, covering claude.md, 概述, 命令, 构建 and 构建整个项目（模块集由 jdk 版本自动选择 —— 见下方说明）.
java_upgrade CLAUDE.md
Instructions for kousen/java_upgrade, covering project context for claude code, project structure, key features, recently added exercises and java features covered.
sivalabs-agent-skills AGENTS.md
Instructions for sivaprasadreddy/sivalabs-agent-skills, covering agent instructions, installation methods, method 1: claude code plugin installation, add the agent-skills marketplace and install plugins.
pysm AGENTS.md
Instructions for galsci/pysm, covering repository guidelines, project overview, project structure & key files, quick start commands and setup environment.
AWETrim AGENTS.md
Instructions for awegroup/AWETrim, covering awetrim — agent context, what this repo is, module status, physics references and symbol ↔ code name table.