Zippopotam vs Nominatim

A side-by-side look at the Zippopotam and Nominatim MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Zippopotam logoZippopotamLocation Services · Local subprocess (stdio)Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)52GoodAuth: not declaredNominatim logoNominatimLocation Services · Local subprocess (stdio)Nominatim MCP — wraps OpenStreetMap Nominatim geocoding API (free, no auth)53GoodAuth: not declared

Verdict: choose Zippopotam for location services work as a local process; choose Nominatim for location services as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Zippopotam logoChoose Zippopotam when

  • You need dedicated capabilities in the Location Services domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like lookup_zipcode, lookup_city.
Explore Zippopotam

Nominatim logoChoose Nominatim when

  • You need dedicated capabilities in the Location Services domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like search_address, reverse_geocode, lookup.
Explore Nominatim

Feature & specification comparison

Rows where the two servers differ are marked.

SpecZippopotam logoZippopotamNominatim logoNominatim
CategoryLocation ServicesLocation Services
Quality signal52/100 · Good53/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNot declared
PricingNot declaredNot declared
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars00
Directory activity 0 views 0 installs 0 upvotes 1 views 0 installs 0 upvotes
Tools23

Tools & capabilities

Zippopotam tools 2

  • lookup_zipcodeResolve 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…
  • lookup_cityGet all postal codes (ZIP codes) for a city, given its country and state or province. Country and state may be written as names or codes — "California" and "CA" both work, as do "United States" and "US".

Nominatim tools 3

  • search_addressSearch for coordinates of an address or place name. Returns latitude, longitude, display name, and place type for matched locations.
  • reverse_geocodeConvert latitude/longitude coordinates to a human-readable address. Returns nearest address, place name, and administrative boundaries.
  • lookupGet details for OpenStreetMap locations by ID (e.g., "N123456" for node, "W654321" for way, "R111" for relation). Returns coordinates, names, and metadata.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Zippopotam

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "zippopotam": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-zippopotam"
      ]
    }
  }
}

Nominatim

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "nominatim": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-nominatim"
      ]
    }
  }
}

Frequently asked questions

Zippopotam is categorized under Location Services and uses a local stdio subprocess. Nominatim belongs to Location Services and uses a local stdio subprocess. Pick Zippopotam for location services work and Nominatim for location services.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Zippopotam has no declared pricing — check the project's own site. Nominatim has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add zippopotam and nominatim as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Zippopotam has a quality signal of 52/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Nominatim has 53/100 (Good) with 1 views, 0 installs and 0 GitHub stars.