Public Suffix List

live Utility

Public Suffix List MCP.

4 tools
0ms auth
free tier 50 calls/day

Tools

parse

Split a domain into (subdomain, registrable_domain, public_suffix).

No parameters required.

▶ Try it
public_suffix

Just the public suffix.

No parameters required.

▶ Try it
registrable_domain

Domain + nearest suffix (the "site").

No parameters required.

▶ Try it
list_version

Last refresh + rule count.

No parameters required.

▶ Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/public-suffix-list/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/public-suffix-list/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"parse","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("parse", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("public suffix list mcp");