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neqsim-ncs-ownership-equity

neqsim-ncs-ownership-equity is a skill for Claude Code, Codex from equinor/neqsim-community-skills. It costs 106 tokens per session (2,269 once invoked), scanned A, original, Apache-2.0.

A data lookup and arithmetic skill for finding ownership shares, operators, and ownership history for Norwegian Continental Shelf fields, discoveries, and licences from Sodir, Norway's official petroleum data service.

In plain words
What is it for?
It is for identifying partners and equity percentages and calculating a company's share of production, revenue, costs, or cash flow.
Why use it?
It supplies defensible working-interest inputs while making clear that prospect ownership, volumes, prices, taxes, and investment returns are outside its scope.

Skill for Claude CodeCodex

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

not rated 4repo changed 11d ago A scan 106 tokens original Apache-2.0

Good fit It is for identifying partners and equity percentages and calculating a company's share of production, revenue, costs, or cash flow.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/equinor/neqsim-community-skills/neqsim-ncs-ownership-equity
View source ↗ equinor/neqsim-community-skills equinor.github.io
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-community-skills --skill neqsim-ncs-ownership-equity
Clone the repo
git clone --depth 1 https://github.com/equinor/neqsim-community-skills

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 neqsim-ncs-ownership-equity

README.md
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Your own site
<a href="https://agentmods.dev/skills/equinor/neqsim-community-skills/neqsim-ncs-ownership-equity"><img src="https://agentmods.dev/badge/skills/equinor/neqsim-community-skills/neqsim-ncs-ownership-equity/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 neqsim-ncs-ownership-equity

Your own site · 80×15
<a href="https://agentmods.dev/skills/equinor/neqsim-community-skills/neqsim-ncs-ownership-equity"><img src="https://agentmods.dev/badge/skills/equinor/neqsim-community-skills/neqsim-ncs-ownership-equity.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 106 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,269 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 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 $0.00106 $0.02269
Opus 5.5 $0.00042 $0.00908
Sonnet 5.5 $0.00021 $0.00454
Haiku 4.5 $0.00011 $0.00227

Measured 11d ago against content hash b5d30568efc6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

neqsim-ncs-ownership-equity 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 11d ago.

The scan reads SKILL.md. This mod also ships 5 executable files (src/ncs_ownership_equity/__init__.py, src/ncs_ownership_equity/model.py, src/ncs_ownership_equity/reader.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/field-development/neqsim-ncs-ownership-equity/SKILL.md · 171 lines

How it starts

The opening of the file, as written. The whole thing — 171 lines — stays where its author put it; the contents beside it link to each section on GitHub.

NCS Ownership and Equity

This skill answers "who owns what share of this asset?" for the Norwegian Continental Shelf and hands the answer to field evaluation and economics. It reads the Sodir DataService, which publishes ownership openly (NLOD 2.0), and needs no key.

Asset Public? How it is read
Field Yes Sodir field_licensee_hst (layer 7108): company, share %, owner (licence or unit), valid dates
Discovery Yes, via its owner Sodir discovery_owner_hst (7007) gives the owning licence or unit; that owner's licensees (3007 licence, 3304 unit) give the shares
Production licence Yes Sodir licence_licensee_hst (3007); operator flagged by prlOperDateValid*
Prospect No Not published at prospect level. Use the user's own figures, or the licence it sits in as a labelled proxy

It is a lookup and arithmetic skill. It does not compute volumes, prices, fiscal terms or NPV; it supplies the equity fractions those steps multiply by.

When to Use

  • A field or discovery evaluation needs the partners and their working interests.
  • A company wants its net share of gross volumes, revenue, capex, opex or cash flow.
  • A portfolio view is needed: every field and discovery in which one company holds an interest.
  • An equity assumption in a model must be checked against the public record.
  • A prospect needs an equity table. The skill validates user figures or shows the licence proxy.
  • Ownership changed (sale, merger, unitisation) and the history matters for a back-cast.

Inputs

  • OwnershipReader() reads live Sodir. Pass fetch= to run offline.
  • Names resolve loosely and case-insensitively: "Troll", "Wisting", "7324/8-1 (Wisting)". Several matches raise OwnershipError listing the candidates.
  • Production licences are named by the bare number: reader.licence("1252") works, "PL1252" raises no production licence named 'PL1252' (verified 2026-10-09).
  • as_of is a date (default today). Interests are valid from the start date to the inclusive end date; an empty end is open.
  • Companies for portfolio() are a name or a Sodir company id. An ambiguous name (for example two Equinor entities) raises with the ids to choose from.

Read the full file on GitHub · 171 lines

Files

What ships with it

7 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.

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. 11d ago Changed · +3 lines b5d30568efc6
  2. 27d ago Changed · +5 lines 3e871fb8cc9a
  3. 1mo ago First seen · 163 lines · 106 tokens per session scan A 90f08c451f5e

Subscribe to this mod's changes

neqsim-ncs-ownership-equity is a skill published in the GitHub repository equinor/neqsim-community-skills (4 stars, last pushed today), licensed Apache-2.0. It adds 106 tokens to every session and 2,269 once invoked, about $0.0004 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 2026-10-08.

Finance and fintechResearch
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