Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
claude mcp add --transport http numuersapi 'https://gateway.pipeworx.io/numbersapi/mcp'{
"mcpServers": {
"numuersapi": {
"type": "http",
"url": "https://gateway.pipeworx.io/numbersapi/mcp"
}
}
}Documentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
mcp-numbersapi
NumbersAPI MCP — wraps numbersapi.com (free, no auth)
Part of Pipeworx — an MCP gateway connecting AI agents to 673+ live data sources.
Tools
| Tool | Description |
|---|---|
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. |
Quick Start
Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):
{
"mcpServers": {
"numbersapi": {
"url": "https://gateway.pipeworx.io/numbersapi/mcp"
}
}
}Or connect to the full Pipeworx gateway for access to all 673+ data sources:
{
"mcpServers": {
"pipeworx": {
"url": "https://gateway.pipeworx.io/mcp"
}
}
}Using with ask_pipeworx
Instead of calling tools directly, you can ask questions in plain English:
ask_pipeworx({ question: "your question about Numbersapi data" })The gateway picks the right tool and fills the arguments automatically.
More
License
MIT
Frequently asked questions
What is numuersapi?
NumbersAPI MCP — wraps numbersapi.com (free, no auth)
How do I install numuersapi?
It runs as a remote server. In Claude Code: claude mcp add --transport http numuersapi 'https://gateway.pipeworx.io/numbersapi/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does numuersapi need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is numuersapi open source?
Yes. Its code is on GitHub under the MIT license.
Who maintains numuersapi?
It is published by pipeworx-io. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.