# Nummeropslag (pypi · nummeropslag-mcp)

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

- Trust score: 72/100 (medium)
- Change this week: +22
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-16

## Components

- mcpb · `nummeropslag-mcp-1.0.1.mcpb`: 17/100, [markdown](https://verifymcp.io/servers/andrey-tut-nummeropslag/https-github-com-andrey-tut-nummeropslag-api-releases-download-v1-0-1-nummeropsl.md), [page](https://verifymcp.io/servers/andrey-tut-nummeropslag/https-github-com-andrey-tut-nummeropslag-api-releases-download-v1-0-1-nummeropsl)
- oci · `ghcr.io/andrey-tut/nummeropslag-mcp:v1.0.1`: 42/100, [markdown](https://verifymcp.io/servers/andrey-tut-nummeropslag/ghcr-io-andrey-tut-nummeropslag-mcp-v1-0-1.md), [page](https://verifymcp.io/servers/andrey-tut-nummeropslag/ghcr-io-andrey-tut-nummeropslag-mcp-v1-0-1)
- pypi · `nummeropslag-mcp`: 72/100 (this document), [markdown](https://verifymcp.io/servers/andrey-tut-nummeropslag/nummeropslag-mcp.md), [page](https://verifymcp.io/servers/andrey-tut-nummeropslag/nummeropslag-mcp)

## Channel facts

- Registry: `pypi`
- Package: `nummeropslag-mcp`
- Version: `1.0.2`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-16.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - Runs setuptools.build_meta at install time, a recognised native-build step with no shell scripting around it.
  - 1 of 30 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 48/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 11 days ago).
  - Publishes a security disclosure policy (SECURITY.md).
- **Schema Quality & AI Usability**: 73/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 283 tokens (~56/item across 5 items; 5 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 40/100
  - Stability observed for 12 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 67/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 0% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add andrey-tut-nummeropslag -- uvx nummeropslag-mcp
```

### Codex

```bash
codex mcp add andrey-tut-nummeropslag -- uvx nummeropslag-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "andrey-tut-nummeropslag": {
      "type": "local",
      "command": [
        "uvx",
        "nummeropslag-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add andrey-tut-nummeropslag --command uvx --arg nummeropslag-mcp
```

### Hermes

```yaml
mcp_servers:
  andrey-tut-nummeropslag:
    command: "uvx"
    args: ["nummeropslag-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "andrey-tut-nummeropslag": {
      "command": "uvx",
      "args": [
        "nummeropslag-mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-16 (score 72, +1)

No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-14 (score 71, +1)

No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-13 (score 70, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-08-12 (score 55, −11)

- [security regression] Malware scan: pass → unverified
- [functional improvement] Stability: unverified → 0.27

### 2026-08-11 (score 66, +1)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-08-10 (score 65, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-08-08 (score 50, +1)

- [functional improvement] Security disclosure: fail → pass

### 2026-08-05 (score 49, +10)

- [security regression] Malware scan: pass → unverified
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Schema quality: good
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: fail
- [functional] First check of Tool coverage: 0

## MCP tools (5)

### `lookup_number` (~82 tokens)

Look up a Danish phone number

Look up a Danish phone number and return the full record: the registered company
(from the official CVR register), the telecom operator, the number type, a community
spam/trust rating and recent anonymous comments. `number` is an 8-digit Danish number
(separators, spaces and a +45 prefix are accepted).

Input parameters:

- `number` (string, required)

### `check_spam` (~65 tokens)

Check a Danish number for spam

Quick spam/scam check for a Danish phone number. Returns a compact verdict:
spam level, score, trust rating and how many users reported it. Use this to decide
whether an incoming call is likely spam, telemarketing or a scam.

Input parameters:

- `number` (string, required)

### `get_operator` (~51 tokens)

Get a Danish number's operator

Return the telecom operator and number type (mobile / landline / service) for a
Danish phone number, from the official Danish number plan. Lightweight, no company data.

Input parameters:

- `number` (string, required)

### `search_businesses` (~53 tokens)

Search Danish businesses

Search Danish companies by name (from the CVR register). Returns matching
businesses. Useful to find a company's phone number or details by name.

Input parameters:

- `limit` (integer)
- `query` (string, required)

### `api_status` (~32 tokens)

Check Nummeropslag API status

Return the status of the configured API key: allowed scopes, daily quota and
how many calls have been used today.

## Diagnostics

Captured diagnostic sections: Provenance, Install scripts, Dependencies. The full working is on the page: https://verifymcp.io/servers/andrey-tut-nummeropslag/nummeropslag-mcp#diagnostics

## Score history

- 2026-08-16: 72
- 2026-08-15: 71
- 2026-08-14: 71
- 2026-08-13: 70
- 2026-08-12: 55
- 2026-08-11: 66
- 2026-08-10: 65
- 2026-08-09: 50
- 2026-08-08: 50
- 2026-08-07: 49
- 2026-08-06: 49
- 2026-08-05: 49
- 2026-08-04: 39

## Links

- PyPI project: https://pypi.org/project/nummeropslag-mcp/
- Socket report: https://socket.dev/pypi/package/nummeropslag-mcp
- Repository: https://github.com/andrey-tut/nummeropslag-api
- Website: https://nummeropslag.dk/mcp
- Changelog RSS feed: https://verifymcp.io/servers/andrey-tut-nummeropslag/nummeropslag-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/andrey-tut-nummeropslag/nummeropslag-mcp.json
- HTML version of this page: https://verifymcp.io/servers/andrey-tut-nummeropslag/nummeropslag-mcp