paperlab_equation_dimensional_audit

paperlab_equation_dimensional_audit is a skill for Claude Code, Codex from equinor/neqsim. It costs 47 tokens per session (441 once invoked), scanned A, original, Apache-2.0.

A review checklist for equations in technical engineering books. It checks symbols, units, notation, assumptions, repeated formulas, sources, and links to computational implementations.

In plain words
What is it for?
Use it to audit mathematical content across chapters and compare equations with nomenclature files, sources, standards, or NeqSim methods and tests.
Why use it?
It catches inconsistent units, undefined symbols, conflicting notation, and unsupported formula variations before they confuse readers or cause implementation errors.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to audit mathematical content across chapters and compare equations with nomenclature files, sources, standards, or NeqSim methods and tests.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/equinor/neqsim/paperlab_equation_dimensional_audit
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 equinor/neqsim --skill paperlab_equation_dimensional_audit
Clone the repo
git clone --depth 1 https://github.com/equinor/neqsim

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 paperlab_equation_dimensional_audit

README.md
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Your own site
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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.

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Your own site · 80×15
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Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 441 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original 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 $0.00047 $0.00441
Opus 5 $0.00023 $0.00220
Sonnet 5 $0.00009 $0.00088
Haiku 4.5 $0.00005 $0.00044

Measured 6d ago against content hash 2bda80d4a096, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

paperlab_equation_dimensional_audit 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 6d 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.

neqsim-paperlab/skills/paperlab_equation_dimensional_audit/SKILL.md · 63 lines

What it actually says

PaperLab Equation Dimensional Audit

When to Use

USE WHEN: reviewing equations, formula notation, unit consistency, or repeated technical correlations in an engineering textbook.

Pair with:

  • paperlab_scientific_traceability_audit for equation provenance,
  • neqsim_in_writing for implementation links,
  • paperlab_standards_clause_traceability for standards-based formulas.

Audit Dimensions

Dimension Check
symbol defined near first use or in nomenclature
unit stated and dimensionally plausible
source citation, standard, derivation, or implementation link
assumption valid range or simplification stated
duplicate repeated formula uses same notation or explains differences
implementation NeqSim method/test link when used computationally

Workflow

  1. Extract display equations delimited by $$...$$ and inline formulas using $...$ when they contain engineering symbols.
  2. Normalize symbols and compare against nomenclature.yaml.
  3. Check units and dimensions where possible.
  4. Detect conflicting definitions such as q for heat duty and volumetric flow in the same chapter without clarification.
  5. Detect formula variants that need an assumptions note.
  6. Recommend nomenclature additions and local text fixes.

Output Pattern

## Equation Audit: <chapter>

- Status: ready | minor-revision | major-revision | blocked
- Undefined symbols:
  - <symbol and equation context>
- Unit issues:
  - <quantity and suspected issue>
- Formula variants:
  - <formula family and recommended distinction>
- Recommended next edit: <one concrete action>

Safety Rules

  • Do not declare an equation wrong from notation alone.
  • Treat approximate teaching equations as acceptable when assumptions are clear.
  • Never invent standards clauses or citations for equations.
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. 6d ago First seen · 63 lines · 47 tokens per session scan A 2bda80d4a096

Subscribe to this mod's changes

paperlab_equation_dimensional_audit is a skill published in the GitHub repository equinor/neqsim (151 stars, last pushed today), licensed Apache-2.0. It adds 47 tokens to every session and 441 once invoked, about $0.0002 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 2026-09-03.

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