Postcodes
live GeographyLook up, validate, and explore UK postcodes via postcodes.io
4 tools
0ms auth
free tier 50 calls/day
Tools
lookup_postcode
required: postcode Get full geographic and administrative details for a UK postcode.
Parameters
Name Type Description
postcode req string UK postcode to look up (e.g. "SW1A 1AA" or "SW1A1AA"). Try it
Response
nearest_postcodes
required: postcode Find the nearest UK postcodes to a given postcode.
Parameters
Name Type Description
postcode req string UK postcode to find neighbours for (e.g. "SW1A 1AA"). Try it
Response
validate_postcode
required: postcode Check whether a UK postcode is valid.
Parameters
Name Type Description
postcode req string UK postcode to validate (e.g. "SW1A 1AA"). Try it
Response
random_postcode Get a random valid UK postcode with full geographic and administrative details.
No parameters required.
Try it
Response
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");Related packs
Other Pipeworx packs in the same categories (Geography):