MCP Server for AI: Access eBay Catalog

# MCP server on n8n for searching and retrieving eBay product data via AI agents

This automation template enables AI agents to directly access the eBay Catalog API through an MCP interface built on n8n. It translates AI requests into eBay API calls and returns structured responses — product summaries or full details by ePID. Simplifies listing creation, product comparison, and catalog automation.

## Who it´s for
- AI agent developers integrating eBay with external systems
- E-commerce automation specialists working with eBay
- SaaS products using MCP to extend functionality
- Marketplace managers needing fast access to eBay catalog data

## What the automation does
- Receives HTTP requests from AI agents via an MCP-compatible endpoint
- Extracts request parameters (e.g., q, category_ids, ePID) using $fromAI() expressions
- Searches eBay’s catalog and returns product summaries
- Retrieves complete product details by unique ePID
- Handles headers and query parameters, supports filtering via aspect_filter
- Returns AI-friendly structured responses

## What´s included
- Ready-to-use n8n workflow
- Logic for handling two operations: search and getProduct
- Integration with eBay API using OAuth2
- MCP interface support for AI agent communication
- Basic text instructions for setup and adaptation

## Requirements for setup
- n8n account (cloud or self-hosted)
- Access to eBay Developer Program with configured OAuth2 app
- Working AI agent capable of making HTTP calls to MCP endpoints

## Benefits and outcomes
- Accelerates product data retrieval from eBay without manual search
- Enables AI agents to autonomously clarify product attributes
- Lowers integration barrier between AI and eBay via standardized MCP interface
- Ensures data accuracy in listing creation and product comparison
- Supports flexible filtering and refinement using aspect-based filters

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via chat