`securitytrails_subdomains`

Pack: securitytrails · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/securitytrails_subdomains for the schema, then POST the same URL with its arguments for the data.

Enumerate subdomains of . Returns the subdomain labels plus fully-qualified domains. Example: securitytrails_subdomains({ hostname: “github.com”, _apiKey: “your-key” })

Parameters

Name	Type	Required	Description
`hostname`	string	yes	Apex domain / hostname to enumerate, e.g. “github.com”
`_apiKey`	string	yes	SecurityTrails API key

Example call

Arguments

{
  "hostname": "github.com",
  "_apiKey": "your-securitytrails-api-key"
}

curl

curl -X POST https://gateway.pipeworx.io/securitytrails/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"securitytrails_subdomains","arguments":{"hostname":"github.com","_apiKey":"your-securitytrails-api-key"}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('securitytrails_subdomains', {
  "hostname": "github.com",
  "_apiKey": "your-securitytrails-api-key"
});

Connect

Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:

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

Connect to just the securitytrails pack

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

See Getting Started for client-specific install steps.

securitytrails_subdomains