Brreg MCP Server

by publifye Your server? Claim it

answering

Brreg is answering right now. Last checked 12 min ago. Last commit 10 Oct 2026.

Norway's company register (Enhetsregisteret) for AI: lookup, search, name resolution, key financials

Uptime history 20 days of history · worst day 70%

20 days agonow

98.9%

Uptime 24h

90 of 91 checks

—

Tools

hidden behind auth

175 ms

Response time

average over 24h

Stars

last commit 10 Oct 2026

Brreg does not always answer

Over the last week it answered 92.6% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add brreg --transport http https://brreg.publifye.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "brreg": {
      "url": "https://brreg.publifye.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.brreg]
url = "https://brreg.publifye.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "brreg": {
      "url": "https://brreg.publifye.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "brreg": {
      "url": "https://brreg.publifye.com/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URL	Transport	State	Latency	Checked
https://brreg.publifye.com/mcp	streamable-http	sign-in	157 ms	12 min ago

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Brreg — questions

Answers built from our own checks of this server.

Why is there no tool list for Brreg?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 98.9% of checks in the last 24 hours got a reply.

Is Brreg working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 91 checks got a reply (98.9%), average response time 175 ms. The bar chart above shows every period we have measured.

How do I connect Brreg?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to Brreg?

No API key is involved. Brreg answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is Brreg?

It answers our handshake in 175 ms on average, which is faster than 67% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Brreg open source?

No, and the distinction matters: its licence is declared as CC-BY-4.0. That makes it source-available — you can read the code, but the terms are the author's own, not one of the recognised open-source licences. Read them before you build on it.