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Summary
eBay's Sell APIs for merchants: inventory items and offers, orders and fulfilment, payment disputes, and the seller's own account policies. OAuth 2.0 user token against the production marketplace.
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Example prompts for eBay Sell
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eBay Sell + ChatGPT
eBay's Sell APIs for merchants: inventory items and offers, orders and fulfilment, payment disputes, and the seller's own account policies. OAuth 2.0 user token against the production marketplace.
Prerequisites
See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:
EBAY_CLIENT_ID, EBAY_CLIENT_SECRET, EBAY_REFRESH_TOKEN, EBAY_MARKETPLACE_ID
Step 1 — Get credentials
Getting a token — the Sell APIs need a user token, not an application token.
- Register at developer.ebay.com and create a production keyset. Note the App ID (client id), Cert ID (client secret) and an RuName (redirect URI name).
- Run the authorization-code grant once for the seller account, requesting the scopes you need:
sell.inventory,sell.fulfillment,sell.account, optionally read-only variants. eBay's OAuth documentation has a browser-based token tool for this. - Keep the refresh token — it lasts around 18 months — and set
EBAY_CLIENT_ID,EBAY_CLIENT_SECRETandEBAY_REFRESH_TOKEN. …
Step 2 — Install the adapter
curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d
Step 3 — Add the connector in ChatGPT
ChatGPT supports MCP servers via the Connectors feature (Plus / Pro / Team / Enterprise plans). The free tier does not support custom connectors.
- Open ChatGPT → Settings → Connectors (or click the 🔧 icon in the composer → Manage connectors).
- Click "Add custom connector".
- Fill in:
- Name:
eBay Sell - MCP server URL:
https://cloud.anythingmcp.com/mcp - Authentication: Bearer token → paste your MCP API key (from AnythingMCP → Profile → MCP API Keys → New Key)
- Name:
- Click Connect to authorize.
Available tools
| Tool | What it does |
|---|---|
ebay_sell_list_orders | List orders with their buyer, line items, totals, payment status and fulfilment status |
ebay_sell_get_order | Read one order in full: every line item with SKU and price, the buyer, the shipping address, the payment summary and the fulfilment instruct |
ebay_sell_list_inventory_items | List inventory items — the SKU-level product records behind Sell-API listings |
ebay_sell_get_inventory_item | Read one inventory item by SKU: its product details, condition, package dimensions and available quantity per fulfilment channel |
ebay_sell_list_offers | List the offers (listings) for one SKU, with their marketplace, format, price, listing status and listing id |
ebay_sell_list_fulfillment_policies | List the seller's fulfilment (shipping) policies for the configured marketplace, with their services, costs and handling times |
ebay_sell_list_return_policies | List the seller's return policies: whether returns are accepted, the return window, and who pays the shipping |
ebay_sell_list_payment_disputes | List payment disputes opened against the seller, with the reason, amount, status and the deadline to respond |
ebay_sell_get_privileges | Read the selling privileges of the account: whether selling is enabled and what the current selling limits on quantity and value are |
ebay_sell_update_offer_price | Change the price of a live offer |
FAQ
Does ChatGPT free tier work with custom MCP connectors? No — Plus, Pro, Team or Enterprise required.
Next steps
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