`whats_above`

Pack: n2yo · Endpoint: https://gateway.pipeworx.io/n2yo/mcp

List what satellites are currently above a location on Earth, within a given radius of the observer’s zenith. Use this to answer “what satellites are overhead right now?” Optionally filter by category (e.g. 52 = Starlink, 18 = amateur radio, 1 = brightest). Example: whats_above({ lat: 40.71, lon: -74.0 }).

Parameters

Name	Type	Required	Description
`lat`	number	yes	Observer latitude in decimal degrees.
`lon`	number	yes	Observer longitude in decimal degrees.
`altitude`	number	no	Observer altitude in meters above sea level (default 0).
`radius`	number	no	Search radius in degrees from the observer zenith (default 70, max 90).
`category`	number	no	N2YO category filter: 0 = all (default), 18 = amateur radio, 52 = Starlink, 1 = brightest.
`_apiKey`	string	no	Optional — your own N2YO API key for higher limits; omit to use the shared Pipeworx key.

Example call

Arguments

{
  "lat": 40.71,
  "lon": -74
}

curl

curl -X POST https://gateway.pipeworx.io/n2yo/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whats_above","arguments":{"lat":40.71,"lon":-74}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('whats_above', {
  "lat": 40.71,
  "lon": -74
});

More examples

{
  "lat": 51.5,
  "lon": 0,
  "radius": 45,
  "category": 52
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "n2yo": {
      "url": "https://gateway.pipeworx.io/n2yo/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

whats_above