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Nummeropslag MCP server

by andrey-tut·io.github.andrey-tut/nummeropslag·v1.0.2
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Privacy-first Danish caller ID, CVR company lookup, operator data, and community spam signals.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
New

0 stars

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If you have run it, two minutes of your experience saves the next person an afternoon.

Nummeropslag tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it

no findings
  • –Code scanpackage could not be scannedn/a
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 50 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Nummeropslag compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
65/100
higher than 20% of 48,255 servers

Install Nummeropslag in Claude Code, Cursor or VS Code

The registry entry has no remote endpoint or installable package.

What the publisher says

From the Nummeropslag repository's README, as published. We do not edit it. Read it on GitHub

Nummeropslag API

Public Partner API + MCP server for Danish phone-number lookup, caller-ID and spam/trust signals.

<!-- mcp-name: io.github.andrey-tut/nummeropslag -->

Identify who is calling from a Danish number: company from the official CVR register, telecom operator, number type, and a spam/trust verdict based on anonymous user reports. Powered by official open data — not scraping. Use it from any HTTP client, or plug the MCP server straight into Claude and other AI agents.

🌐 Service: nummeropslag.dk · 🔑 Get a key: /api-noegle · 📖 API reference: Redoc · 🧪 Live sandbox: /api-reference · 🤖 MCP

This repository contains only public API docs, the OpenAPI spec, client examples and the MCP server. The backend source is private.

Authentication

All endpoints require an API key, sent in the X-API-Key header:

X-API-Key: npk_your_key_here

Each key has a plan, a set of scopes (lookup, spam, operator) and a request quota. Check your key status any time via GET /api/v1/partner/me.

Base URL: https://nummeropslag.dk/api/v1

Endpoints

{e164} accepts an 8-digit Danish number or full E.164 — e.g. 33633363 or +4533633363.

Full machine-readable contract: openapi/openapi.yaml · openapi/openapi.json.

Quick start

export NUMMEROPSLAG_API_KEY=npk_your_key_here

curl -H "X-API-Key: $NUMMEROPSLAG_API_KEY" \
  https://nummeropslag.dk/api/v1/partner/spam/33633363

Client examples

Ready-to-run, dependency-free clients in examples/:

All read the key from the NUMMEROPSLAGAPIKEY environment variable.

Workflow integrations

Use Nummeropslag as native nodes and tools in popular automation and AI workflow builders:

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Nummeropslag: common questions

Is Nummeropslag MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Nummeropslag safety report
Does Nummeropslag need an API key?
Yes. The registry entry asks for NUMMEROPSLAG_API_KEY.
Is Nummeropslag maintained?
The last commit was 92 days ago (2026-08-04). The latest release is v1.0.2.