MCP server exposing 4 tools for numbersapi.
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/numbersapi/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}
number_fact — Get trivia facts about a specific number (e.g., 42, 1729). Returns the fact text and number.date_fact — Get historical facts about a calendar date (e.g., "3/14" for March 14). Returns the fact and date.math_fact — Get mathematical properties about a number (e.g., 16, 256)—prime factors, sequences, mathematical significance. Returns math-focused trivia.random_fact — Get a random trivia fact about a number. Returns the fact and the randomly chosen number. Use when you want surprising facts without specifying one.Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/numbersapi/
Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io