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zippopotam

Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)

Registry
Updated
Apr 2, 2026

@pipeworx/mcp-zippopotam

MCP server for ZIP and postal code lookups via Zippopotam.us

Tools

ToolDescription
lookup_zipcodeLook up place info (city, state, coordinates) for a ZIP/postal code
lookup_cityGet all postal codes for a city in a given country and state

Quickstart (Pipeworx Gateway)

curl -X POST https://gateway.pipeworx.io/mcp \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "lookup_zipcode",
      "arguments": { "country": "us", "zipcode": "90210" }
    }
  }'

License

MIT

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