What is the key difference between Numertel and UK Due Diligence?

Numertel belongs to the Developer Tools category with local stdio execution, while UK Due Diligence belongs to the Developer Tools category with local stdio execution.

How do I install Numertel or UK Due Diligence in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Numertel and UK Due Diligence free or paid?

Numertel operates under a Free / Open Source model (No auth required). UK Due Diligence operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Numertel lists 7 tools with 0 views and 1 GitHub stars. UK Due Diligence lists 17 tools with 0 views and 3 GitHub stars.

Can I use both Numertel and UK Due Diligence together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Numertel vs UK Due Diligence

In-depth architectural comparison of the Numertel and UK Due Diligence MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Numertel

Developer Tools · Local stdio

Quality: 51/100 (Good) | Auth: No auth required

UK Due Diligence

Developer Tools · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

Verdict Summary: Choose Numertel if you need specialized Developer Tools tools running via a local process. Choose UK Due Diligence if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Numertel when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: check_phone_number, spam_weather, check_scam_domain.

Explore Numertel Details

Choose UK Due Diligence when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: company_search, company_profile, company_officers.

Explore UK Due Diligence Details

Feature & Specification Comparison

Specification	N Numertel Developer Tools	U UK Due Diligence Developer Tools
Summary	Polish phone number lookup: who called, spam and scam checks, UKE DNO registry, CERT phishing stats	UK due diligence — Companies House, Charity Commission, Land Registry, Gazette, HMRC VAT
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Numertel Tools (7)

check_phone_number

full reputation card for a Polish number: operator

spam_weather

phone-abuse indicators for Poland: new scam domains on

check_scam_domain

analyzes a whole pasted suspicious message on two

find_official_number

the real, official number of a Polish bank, office

recent_scam_domains

the latest phishing domains from CERT Polska's

a Polish phone number OR an institution name (returns verified

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Numertel Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "numertel": {
      "command": "npx",
      "args": [
        "mcp-remote",
        "https://numertel.pl/api/mcp"
      ]
    }
  }
}

UK Due Diligence Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "uk-due-diligence": {
      "command": "uvx",
      "args": [
        "uk-due-diligence-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Numertel is categorized under Developer Tools and uses a local stdio subprocess. In contrast, UK Due Diligence belongs to Developer Tools using local stdio subprocess. Select Numertel when you need capabilities focused on developer tools and UK Due Diligence when you require tools for developer tools.

More alternatives to Numertel More alternatives to UK Due Diligence Developer Tools category hub