Opencellid vs Postcodes

In-depth architectural comparison of the Opencellid and Postcodes 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.

Which MCP Server Should You Choose?

Choose Opencellid when:

• You need dedicated capabilities in the Location Services domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: PLATFORM_OPENCELLID_KEY.
• Primary tools included: Cell lookup by network identifiers, Bounding-box searches for nearby cells, Optional MCC, MNC, radio, and result-limit parameters.

Explore Opencellid Details

Choose Postcodes when:

• You need dedicated capabilities in the Location Services domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: lookup_postcode, nearest_postcodes, validate_postcode.

Feature & Specification Comparison

Specification	Opencellid Location Services	Postcodes Location Services
Summary	OpenCellID MCP — cell tower geolocation database (free with key)	Postcodes MCP — wraps postcodes.io UK postcode API (free, no auth)
Category & Scope	Location Services	Location Services
Quality signal

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "opencellid": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-opencellid"
      ],
      "env": {
        "PLATFORM_OPENCELLID_KEY": "YOUR_PLATFORM_OPENCELLID_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "postcodes": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-postcodes"
      ]
    }
  }
}

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