Subdomain API

Indexed by app.subdomain

About

Find known subdomains of a domain. Passive data; may include historic entries. List or count.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

TransportHTTP (remote server)

Claude Code

claude mcp add --transport http subdomains https://api.subdomain.app/mcp

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"subdomains","type":"http","url":"https://api.subdomain.app/mcp"}'

JSON

{
  "mcpServers": {
    "subdomains": {
      "url": "https://api.subdomain.app/mcp"
    }
  }
}