Postcodes

liveGeographyEurope

Look up, validate, and explore UK postcodes via postcodes.io

4tools
0msauth
free tier50 calls/day

Tools

lookup_postcoderequired: postcode

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

Parameters
NameTypeDescription
postcodereqstringUK postcode to look up (e.g. "SW1A 1AA" or "SW1A1AA").
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nearest_postcodesrequired: postcode

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

Parameters
NameTypeDescription
postcodereqstringUK postcode to find neighbours for (e.g. "SW1A 1AA").
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validate_postcoderequired: postcode

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

Parameters
NameTypeDescription
postcodereqstringUK postcode to validate (e.g. "SW1A 1AA").
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random_postcode

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

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/postcodes/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/postcodes/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"lookup_postcode","arguments":{"postcode": "SW1A 1AA"}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("lookup_postcode", {"postcode":"example"});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("look up, validate, and explore uk postcodes via postcodes");