eBay

liveMarketsReference

eBay Browse + Taxonomy APIs — search active listings, get item detail, and walk the US category tree via client_credentials.

3tools
0msauth
free tier50 calls/day
🔑Authentication

BYO app credentials. Format: ?_apiKey=<App ID>:<Cert ID>. Get a free production keyset at https://developer.ebay.com/my/keys.

Config with credentials
{
  "mcpServers": {
    "pipeworx-ebay": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://gateway.pipeworx.io/ebay/mcp?_apiKey=your_app_id:your_cert_id"
      ]
    }
  }
}

Get an API key →

Tools

ebay_get_itemrequired: item_id

Full item detail. Accepts RESTful ID (v1|XXX|0) or legacy numeric ID.

Parameters
NameTypeDescription
item_idreqstringRESTful or legacy item ID
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ebay_get_categories

Category subtree under category_id (omit for top-level US categories).

Parameters
NameTypeDescription
category_idoptstringParent category ID. Omit for top-level.
▶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/ebay/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/ebay/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"ebay_search","arguments":{"q": "hello"}}}'

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("ebay_search", {"q":"example"});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("ebay browse + taxonomy apis — search active listings, get item detail, and walk the us category tree via client_credentials");