[eBay] 商品上架API MCP服务器

• •可能需要目标 API 的认证凭证

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        "content": "### ⚙️ Setup Instructions\n\n1. **Import Workflow**: \nLoad this workflow into your n8n instance\n\n2. **Configure Authentication**: \nSet up oauth2 credentials\n\n3. **Activate Workflow**:\nEnable the workflow to start the MCP server\n\n4. **Get MCP URL**: \nCopy the webhook URL from the MCP trigger\n\n5. **Connect AI Agent**:\nUse the MCP URL in your AI agent configuration\n\n\n### 💡 Usage Notes\n• Parameters are auto-populated by AI using $fromAI() expressions\n• With 1 API endpoints available as tools\n• Responses maintain original API structure\n\n\n### 🛠️ Customization\n• Add data transformation nodes if needed\n• Implement custom error handling\n• Add logging or monitoring nodes\n\n• Modify parameter defaults in any HTTP request node as needed\n\n### 💬 Need Help?\nPing me on [discord](https://discord.me/cfomodz) for integration guidance and custom automations. Check the [n8n documentation](https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.toolmcp/) for more information."
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        "content": "## 🛠️ Listing MCP Server ✅ 1 operations\n\n### About\nNote: This is a (Limited Release) API available only to select developers approved by business units.Enables a seller adding an ad or item on a Partner's site to automatically create an eBay listing draft using the item details from the Partner's site.\n\n### 🔧 How it Works\n\nThis workflow converts the Listing API into an MCP-compatible interface for AI agents.\n\n• **MCP Trigger**: Serves as your server endpoint for AI agent requests\n• **HTTP Request Nodes**: Handle API calls to https://api.ebay.com{basePath}\n• **AI Expressions**: Automatically populate parameters via `$fromAI()` placeholders\n• **Native Integration**: Returns responses directly to the AI agent\n\n\n### 📋 Available Operations (1 endpoints)\n\n**Item Draft (1 operations)**\nCreate eBay Listing Draft\n\n"
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        "content": "## Item Draft"
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        "method": "POST",
        "options": {},
        "sendHeaders": true,
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "toolDescription": "Call gives Partners the ability to create an eBay draft of a item for their seller using information from their site. This lets the Partner increase the exposure of items on their site and leverage the eBay user listing experience seamlessly. This experience provides guidance on pricing, aspects, etc. and recommendations that help create a listing that is complete and improves the exposure of the listing in search results. After the listing draft is created, the seller logs into their eBay account and uses the listing experience to finish the listing and publish the item on eBay.\n\nParameters:\n- Header parameters:\n  • Content-Language (optional) - Use this header to specify the natural language of the seller. For details, see Content-Language in HTTP request headers. Required: For EBAY_CA in French. (Content-Language = fr-CA)\n  • X-EBAY-C-MARKETPLACE-ID (required) - Use this header to specify an eBay marketplace ID. For a list of supported sites, see API Restrictions in the Listing API overview.",
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            {
              "name": "Content-Language",
              "value": "={{ $fromAI('Content-Language', 'Use this header to specify the natural language of the seller. For details, see Content-Language in HTTP request headers. Required: For EBAY_CA in French. (Content-Language = fr-CA)', 'string') }}"
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              "value": "={{ $fromAI('X-EBAY-C-MARKETPLACE-ID', 'Use this header to specify an eBay marketplace ID. For a list of supported sites, see API Restrictions in the Listing API overview.', 'string') }}"
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