what3words 4 tools

MCP server exposing 4 tools for what3words.

Endpoint

This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.

POST https://gateway.pipeworx.io/what3words/mcp
Content-Type: application/json

{"jsonrpc":"2.0","id":1,"method":"tools/list"}

Tools

• coords_to_words — Convert a lat/lon to a what3words 3-word address. Defaults to English; pass a 2-letter language code for other languages.
• words_to_coords — Convert a 3-word address ("filled.count.soap") to a lat/lon centre + 3m×3m bounding box.
• autosuggest — Given a partial / mistyped 3-word input, return ranked suggestions. Optional focus point biases results toward proximity.
• list_languages — Supported languages for 3-word output (code + name).

Full documentation

Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/what3words/

About Pipeworx

Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io