Brreg

Organization

reason-machines

brreg

Search and retrieve Norwegian company data from Brønnøysundregistrene (the Norwegian Business Registry). Access all ~1.2 million registered companies in Norway.

Overview

Publisher	reason-machines
Repository	`trending-skills`
Skill name	`brreg`
Stars	89
Forks	16
Bundled files	Instructions only
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by reason-machines on GitHub. Read the source before you install it.

Installation

Install the Brreg AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/reason-machines/trending-skills/tree/main/skills/brreg
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/reason-machines/trending-skills.git /tmp/trending-skills
mkdir -p .claude/skills
cp -r /tmp/trending-skills/skills/brreg .claude/skills/brreg

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Brreg in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Brreg on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Brreg is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Norwegian Business Registry (Brreg)

Skill by ara.so — Daily 2026 Skills collection

Access the official open API from Brønnøysundregistrene to search and retrieve data about all registered companies in Norway.

When to Use

When the user asks about Norwegian companies
When searching for company information in Norway
When looking up organization numbers (organisasjonsnummer)
When finding companies by name, location, industry, or other criteria
When checking company status (bankruptcy, dissolution, etc.)

API Base URL


https://data.brreg.no/enhetsregisteret/api

Key Endpoints

Search Companies (Enheter)

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?navn=SEARCH_TERM&size=20"

Common parameters:

Parameter	Description
`navn`	Company name (partial match)
`organisasjonsnummer`	9-digit org number (comma-separated for multiple)
`organisasjonsform`	Organization type: AS, ENK, NUF, ANS, DA, etc.
`naeringskode`	Industry code (NACE)
`kommunenummer`	4-digit municipality code
`postadresse.postnummer`	Postal code
`forretningsadresse.postnummer`	Business address postal code
`konkurs`	true/false - bankruptcy status
`underAvvikling`	true/false - dissolution status
`registrertIMvaregisteret`	true/false - VAT registered
`fraAntallAnsatte`	Minimum employees
`tilAntallAnsatte`	Maximum employees
`fraRegistreringsdatoEnhetsregisteret`	Registration date from (YYYY-MM-DD)
`tilRegistreringsdatoEnhetsregisteret`	Registration date to (YYYY-MM-DD)
`size`	Results per page (default: 20, max depth: 10000)
`page`	Page number (0-indexed)

Get Company by Org Number

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter/123456789"

Search Sub-entities (Underenheter)

Branch offices and departments:

bash
curl "https://data.brreg.no/enhetsregisteret/api/underenheter?overordnetEnhet=123456789"

Get Organization Forms

List all valid organization types:

bash
curl "https://data.brreg.no/enhetsregisteret/api/organisasjonsformer"

Common organization forms:

Code	Description
AS	Aksjeselskap (Private limited company)
ASA	Allmennaksjeselskap (Public limited company)
ENK	Enkeltpersonforetak (Sole proprietorship)
NUF	Norskregistrert utenlandsk foretak (Foreign enterprise)
ANS	Ansvarlig selskap (General partnership)
DA	Selskap med delt ansvar (Shared liability partnership)
SA	Samvirkeforetak (Cooperative)
STI	Stiftelse (Foundation)

Get Recent Updates

Track new registrations and changes:

bash
curl "https://data.brreg.no/enhetsregisteret/api/oppdateringer/enheter?dato=2024-01-01T00:00:00.000Z"

Bulk Downloads

Complete datasets (updated nightly ~05:00 AM):

Format	URL
JSON (gzipped)	https://data.brreg.no/enhetsregisteret/api/enheter/lastned
CSV	https://data.brreg.no/enhetsregisteret/api/enheter/lastned/csv
Excel	https://data.brreg.no/enhetsregisteret/api/enheter/lastned/regneark

Example Queries

Find all AS companies in Oslo with 50+ employees

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?organisasjonsform=AS&kommunenummer=0301&fraAntallAnsatte=50&size=100"

Search for tech companies

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?navn=tech&size=50"

Find companies registered this year

bash
curl "https://data.brreg.no/enhetsregisteret/api/enheter?fraRegistreringsdatoEnhetsregisteret=2024-01-01&size=100"

Get all subsidiaries of a company

bash
curl "https://data.brreg.no/enhetsregisteret/api/underenheter?overordnetEnhet=923609016"

Response Format

Responses are in HAL+JSON format with _embedded containing results and page containing pagination info:

json
{
  "_embedded": {
    "enheter": [
      {
        "organisasjonsnummer": "123456789",
        "navn": "Company Name AS",
        "organisasjonsform": {
          "kode": "AS",
          "beskrivelse": "Aksjeselskap"
        },
        "antallAnsatte": 50,
        "forretningsadresse": {
          "adresse": ["Street 1"],
          "postnummer": "0150",
          "poststed": "OSLO",
          "kommune": "OSLO",
          "kommunenummer": "0301"
        },
        "naeringskode1": {
          "kode": "62.010",
          "beskrivelse": "Programmeringstjenester"
        }
      }
    ]
  },
  "page": {
    "size": 20,
    "totalElements": 150,
    "totalPages": 8,
    "number": 0
  }
}

Notes

API is free and open (NLOD license)
No authentication required for public data
Rate limiting may apply for heavy usage
Results limited to 10,000 per query (use bulk downloads for complete data)
Data updated continuously during business hours

Documentation

Official API docs: https://data.brreg.no/enhetsregisteret/api/dokumentasjon/en/index.html
OpenAPI spec: https://raw.githubusercontent.com/brreg/openAPI/master/specs/enhetsregisteret.json

Frequently asked questions

What does the Brreg AI skill do?

Search and retrieve Norwegian company data from Brønnøysundregistrene (the Norwegian Business Registry). Access all ~1.2 million registered companies in Norway.

Why use Brreg on TypingMind?

Because you install it once and use it with any model. Brreg is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Brreg in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/reason-machines/trending-skills/tree/main/skills/brreg. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Brreg?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Brreg?

As many as you like. As long as a model supports skills, you can use Brreg with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Brreg AI skill free?

It is published on GitHub by reason-machines. Check the repository for licensing terms. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

View all

Openclaw Debugging

openclaw

OrganizationPopular

Debug OpenClaw model, provider, tool-surface, code-mode, streaming, and live/Crabbox behavior by choosing the right logs, probes, and proof path before changing code, including fetching stored…

Openclaw Live Updater

openclaw

OrganizationPopular

Maintain the canonical live OpenClaw main checkout, macOS LaunchAgent-managed Gateway, local macOS app, exact-head main CI, and recurring full release validation. Use for fast-forward update…

Openclaw Pr Maintainer

openclaw

OrganizationPopular

Review, triage, repair, or land OpenClaw issues and pull requests with current-source evidence and the native maintainer workflow.

Openclaw Refactor Docs

openclaw

OrganizationPopular

Refactor an existing OpenClaw docs page with source-audited preservation, restructuring, and verification.

Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Norwegian Business Registry (Brreg)

When to Use

API Base URL

Key Endpoints

Search Companies (Enheter)

Get Company by Org Number

Search Sub-entities (Underenheter)

Get Organization Forms

Get Recent Updates

Bulk Downloads

Example Queries

Find all AS companies in Oslo with 50+ employees

Search for tech companies

Find companies registered this year

Get all subsidiaries of a company

Response Format

Notes

Documentation

Frequently asked questions

Related AI Skills

Set up your own AI workspace now