`cone_search`

Pack: mast-nasa · Endpoint: https://gateway.pipeworx.io/mast-nasa/mcp

Search MAST around (RA, Dec).

Parameters

Name	Type	Required	Description
`ra`	number	yes
`dec`	number	yes
`radius_arcmin`	number	no	Default 1.0
`mission`	string	no	e.g. “HST”, “JWST”. Optional.
`limit`	number	no

Example call

Arguments

{
  "ra": 83.6331,
  "dec": 22.0145,
  "radius_arcmin": 5,
  "mission": "HST",
  "limit": 100
}

curl

curl -X POST https://gateway.pipeworx.io/mast-nasa/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"cone_search","arguments":{"ra":83.6331,"dec":22.0145,"radius_arcmin":5,"mission":"HST","limit":100}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('cone_search', {
  "ra": 83.6331,
  "dec": 22.0145,
  "radius_arcmin": 5,
  "mission": "HST",
  "limit": 100
});

More examples

{
  "ra": 210.8022,
  "dec": -60.3699,
  "limit": 50
}

Response shape

Field	Type	Description
`data`	array	Array of observation records matching cone search criteria

Full JSON Schema

{
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "description": "Array of observation records matching cone search criteria",
      "items": {
        "type": "object",
        "properties": {
          "obs_collection": {
            "type": "string",
            "description": "Mission/collection name (e.g. HST, JWST)"
          }
        }
      }
    }
  }
}

Connect

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

{
  "mcpServers": {
    "mast-nasa": {
      "url": "https://gateway.pipeworx.io/mast-nasa/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

cone_search