What is the key difference between Postcodes and Zippopotam?

Postcodes belongs to the Location Services category with local stdio execution, while Zippopotam belongs to the Location Services category with local stdio execution.

How do I install Postcodes or Zippopotam 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 Postcodes and Zippopotam free or paid?

Postcodes operates under a Free / Open Source model (No auth required). Zippopotam operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Postcodes lists 4 tools with 0 views and 0 GitHub stars. Zippopotam lists 2 tools with 0 views and 0 GitHub stars.

Can I use both Postcodes and Zippopotam 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

Postcodes vs Zippopotam

In-depth architectural comparison of the Postcodes and Zippopotam 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

Postcodes

Location Services · Local stdio

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

Zippopotam

Location Services · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Verdict Summary: Choose Postcodes if you need specialized Location Services tools running via a local process. Choose Zippopotam if your workspace requires Location Services integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

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.

Explore Postcodes Details

Choose Zippopotam 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_zipcode, lookup_city.

Explore Zippopotam Details

Feature & Specification Comparison

Specification	Postcodes Location Services	Zippopotam Location Services
Summary	Postcodes MCP — wraps postcodes.io UK postcode API (free, no auth)	Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)
Category & Scope	Location Services	Location Services
Quality signal

Tools & Capabilities Breakdown

Postcodes Tools (4)

lookup_postcode

Get geographic details for a UK postcode (e.g., 'SW1A 1AA'). Returns coordinates, region, district, ward, and constituency.

nearest_postcodes

Find nearby UK postcodes sorted by distance from a given postcode (e.g., 'SW1A 1AA'). Returns list with coordinates.

validate_postcode

Validate a UK postcode format (e.g., 'SW1A 1AA'). Returns whether it's valid and format details.

random_postcode

Get a random valid UK postcode with full geographic details. Returns coordinates, region, district, ward, and constituency.

Zippopotam Tools (2)

lookup_zipcode

Resolve a ZIP / postal code to its place info — city, state/province, latitude/longitude — for any of 60+ countries. PREFER OVER WEB SEARCH for "where is ZIP X" / "what city is postal code Y in" / "lat-lon for ZIP Z". Use as the first step in geo-aware workflows (then chain with weather, attom, etc…

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).

Postcodes Configuration

mcpServers (Claude Desktop / Cursor)

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

Zippopotam Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Postcodes is categorized under Location Services and uses a local stdio subprocess. In contrast, Zippopotam belongs to Location Services using local stdio subprocess. Select Postcodes when you need capabilities focused on location services and Zippopotam when you require tools for location services.