What is the key difference between Qrz MCP and Lotw MCP?

Qrz MCP belongs to the Developer Tools category with local stdio execution, while Lotw MCP belongs to the Developer Tools category with local stdio execution.

How do I install Qrz MCP or Lotw MCP 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 Qrz MCP and Lotw MCP free or paid?

Qrz MCP operates under a Free / Open Source model (No auth required). Lotw MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Qrz MCP lists 6 tools with 0 views and 2 GitHub stars. Lotw MCP lists 6 tools with 0 views and 1 GitHub stars.

Can I use both Qrz MCP and Lotw MCP 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

Qrz MCP vs Lotw MCP

In-depth architectural comparison of the Qrz MCP and Lotw MCP 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

Qrz MCP

Developer Tools · Local stdio

Quality: 48/100 (Fair) | Auth: No auth required

Lotw MCP

Developer Tools · Local stdio

Quality: 47/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Qrz MCP if you need specialized Developer Tools tools running via a local process. Choose Lotw MCP 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 Qrz MCP 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: qrz_lookup, qrz_dxcc, qrz_logbook_status.

Explore Qrz MCP Details

Choose Lotw MCP 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: lotw_confirmations, lotw_qsos, lotw_dxcc_credits.

Explore Lotw MCP Details

Feature & Specification Comparison

Specification	Q Qrz MCP Developer Tools	L Lotw MCP Developer Tools
Summary	QRZ.com MCP server. Callsign lookup, DXCC resolution, logbook queries via QRZ XML API.	ARRL Logbook of The World MCP server. QSO query, QSL status, DXCC credit tracking.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Qrz MCP Tools (6)

qrz_lookup

Callsign lookup (name, grid, DXCC, license class, QSL info, image)

qrz_dxcc

DXCC entity resolution from callsign or entity code

qrz_logbook_status

Logbook stats (QSO count, DXCC total, date range)

qrz_logbook_fetch

Query QSOs with filters and transparent pagination

qrz_download

Download full logbook as ADIF

get_version_info

Service version + upstream QRZ API version (fleet identity attestation)

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).

Qrz MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "qrz-mcp": {
      "command": "uvx",
      "args": [
        "qrz-mcp"
      ]
    }
  }
}

Lotw MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "lotw-mcp": {
      "command": "uvx",
      "args": [
        "lotw-mcp"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Qrz MCP More alternatives to Lotw MCP Developer Tools category hub Canonical compare URL