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Nummeropslag MCP Server

by andrey-tut Your server? Claim it
local only

Nummeropslag runs on your own machine — the client starts it, so there is no endpoint to ping. 84 installs a week from pypi. Last commit 4 Aug 2026.

Privacy-first Danish caller ID, CVR company lookup, operator data, and community spam signals.

Installs per day peak 36 · avg 15 · -5% w/w
a month agotoday
84
Installs / week
pypi · nummeropslag-mcp
0
Stars
0 open issues
4 Aug 2026
Last commit
0 releases in 90 days
MIT
License
Python

What the code does

We read the source, 19 h ago · rules 3dff92dd89df

In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

Page loads a third-party script index.html:13
  <script src="https://cdn.redoc.ly/redoc/latest/bundles/redoc.standalone.js"></script>

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Nothing serious here today

Today is the operative word: we check Nummeropslag every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add nummeropslag -- uvx nummeropslag-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "nummeropslag": {
      "args": [
        "nummeropslag-mcp"
      ],
      "command": "uvx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.nummeropslag]
command = "uvx"
args = ["nummeropslag-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "nummeropslag": {
      "args": [
        "nummeropslag-mcp"
      ],
      "command": "uvx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "nummeropslag": {
      "args": [
        "nummeropslag-mcp"
      ],
      "command": "uvx"
    }
  }
}

This one needs environment variables set before it will start: NUMMEROPSLAG_API_KEY (Partner API key from https://nummeropslag.dk/api-noegle). The author declared them in the registry entry; get the values from the project itself.

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Nummeropslag — questions

Answers built from our own checks of this server.

Why is there no uptime for Nummeropslag?
Nummeropslag runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package nummeropslag-mcp was installed 84 times last week.
How do I connect Nummeropslag?
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 runs locally, so the command pulls nummeropslag-mcp straight from pypi; nothing to host, nothing to sign up for.
How many people use Nummeropslag?
The pypi package nummeropslag-mcp was installed 84 times in the last week. Week over week that is -5%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Nummeropslag open source?
Yes — it is published under the MIT licence, written in Python and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.