Postscript

live SaaS

Postscript MCP Pack — SMS marketing for Shopify.

4 tools
0ms auth
free tier 50 calls/day

Tools

postscript_list_subscribers

List SMS subscribers for a Postscript (Shopify) shop. Supports filtering by email, phone number, Shopify customer ID, and created/updated timestamps, plus sorting. Page-based pagination: returns { pag

No parameters required.

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postscript_get_subscriber

Get a single SMS subscriber by Postscript subscriber ID. Returns phone number, email, subscription status, Shopify customer linkage, and custom properties.

No parameters required.

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postscript_list_keywords

List all active SMS keywords for the shop. Keywords are the text-to-join words (e.g. "JOIN") subscribers text to opt in. Returns keyword IDs, the keyword text, and associated subscription settings.

No parameters required.

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postscript_get_keyword

Get a single SMS keyword by its ID. Returns the keyword text, status, and configuration (welcome message, list assignment).

No parameters required.

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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/postscript/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/postscript/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"postscript_list_subscribers","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("postscript_list_subscribers", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("postscript mcp pack — sms marketing for shopify");