Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/sophymarine/openregistrynpx agentmods add skills/sophymarine/openregistry/norway-brregWrote 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/sophymarine/openregistry/norway-brreg)<a href="https://agentmods.dev/skills/sophymarine/openregistry/norway-brreg"><img src="https://agentmods.dev/badge/skills/sophymarine/openregistry/norway-brreg/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/sophymarine/openregistry/norway-brreg"><img src="https://agentmods.dev/badge/skills/sophymarine/openregistry/norway-brreg.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 | $0.00000 | $0.00899 |
| Opus 5 | $0.00000 | $0.00449 |
| Sonnet 5 | $0.00000 | $0.00180 |
| Haiku 4.5 | $0.00000 | $0.00090 |
Grade A, and why
Norway — Brreg Lookup 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 — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Norway — Brreg Lookup
Live, direct-to-government access to Brønnøysund Register Centre (Enhetsregisteret + Foretaksregisteret).
Single-country variant of the cross-border Cross-Border UBO Chain Walker. Use this skill when the user is explicitly focused on Norway.
What you get
- Direct query to Brreg. Every tool call hits Brønnøysund Register Centre (Enhetsregisteret + Foretaksregisteret) at the moment you ask. No nightly scrape, no aggregator middle layer.
- Unmodified responses. Field names, status codes, and (where available) raw filing bytes are returned exactly as the registry's own system emits them.
- Native ID format support. 9-digit Norwegian organisasjonsnummer (e.g.
923609016Equinor ASA). - Sample entity: Equinor ASA.
Available tools (jurisdiction = NO)
search_companies, get_company_profile, get_officers, get_shareholders
For every tool, pass jurisdiction: "NO" (case-insensitive).
Example prompts
Find Equinor ASA's full styre + daglig leder
List Telenor ASA's major shareholders
Confirm the operating status of DNB Bank ASA
Workflow
Step 1 — Resolve the entity
search_companies({ jurisdiction: "NO", query: "<name or ID>" })
get_company_profile({ jurisdiction: "NO", company_id: "<id>" })
Step 2 — Pull the relevant register slice
Pick from the available tools list above. For UBO walks across borders, return to the Cross-Border UBO Chain Walker.
Quirks specific to Norway
- Norway has a public UBO register (Reelle Rettighetshavere) — accessible via Brreg. UBO support is on the roadmap.
AS= limited (private),ASA= public limited (Allmennaksjeselskap).- Filings include annual accounts (årsregnskap) deposited at Regnskapsregisteret — separate from the company-status register.
- Officer data covers styre (board) members, daglig leder (CEO), revisor (auditor).
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 · 73 lines · 0 tokens per session scan A 0185f49e8944
Norway — Brreg Lookup is a skill published in the GitHub repository sophymarine/openregistry (18 stars, last pushed 5d ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 899 tokens. 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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