0n3
MCP servers · eBay · custom connector

Connect Grok Bot (xAI) to eBay

One line gives Grok Bot (xAI) your eBay account as tools: 42 endpoints, inventory, offers, orders, called with your own connection. No key in the prompt, a receipt for every call, revoke Grok Bot (xAI)'s access alone any time.

Get the line for Grok Bot (xAI)Connect eBay first

Three steps

  1. Create a free 0n3 account and connect eBay. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Grok Bot (xAI). xAI's always-on Grok Bot. Add 0n3 as a custom connector once, and your Bot can use every app you added, around the clock.
  3. Ask Grok Bot (xAI): whoami. Then: "Inventory items in eBay".
Add 0n3 to Grok Bot (desktop app)
  1. Open Grok Bot on your computer. In the sidebar, click Connect apps.
  2. At the bottom, click Add a custom connector.
  3. For Name, type 0n3. For Type, pick Remote HTTPS. For Server URL, type https://0n3.app/mcp.
  4. Under HTTP headers, add Authorization with the value Bearer <your 0n token>
  5. Click Add plugin.
Then try it: send your Bot this
  1. "Use 0n3: who am I, and which apps can you reach?"
  2. "Every weekday at 8, use 0n3 to list today's CRM appointments and new Stripe payments, and post a summary to me."

The line above carries a placeholder; 0n3.app/install mints a real key named for Grok Bot (xAI) and fills it in.

What Grok Bot (xAI) can then do in eBay

Inventory · Inventory items keyed by SKU (the listing's product side)11
Inventory itemsGET /sell/inventory/v1/inventory_item
Inventory itemGET /sell/inventory/v1/inventory_item/{sku}
Put inventory itemPUT /sell/inventory/v1/inventory_item/{sku}
Delete an inventory itemDELETE /sell/inventory/v1/inventory_item/{sku}
OffersGET /sell/inventory/v1/offer
OfferGET /sell/inventory/v1/offer/{offerId}
Create an offerPOST /sell/inventory/v1/offer
Update an offerPUT /sell/inventory/v1/offer/{offerId}
Publish an offerPOST /sell/inventory/v1/offer/{offerId}/publish
Withdraw offerPOST /sell/inventory/v1/offer/{offerId}/withdraw
Merchant locationsGET /sell/inventory/v1/location
Offers · Offers turn an inventory item into a listing: format, price, policies, then publish2
Offer eligible itemsGET /sell/negotiation/v1/find_eligible_items
Send offer to buyersPOST /sell/negotiation/v1/send_offer_to_interested_buyers
Orders · Orders and shipping fulfillment3
OrdersGET /sell/fulfillment/v1/order
OrderGET /sell/fulfillment/v1/order/{orderId}
Ship orderPOST /sell/fulfillment/v1/order/{orderId}/shipping_fulfillment
Account · Business policies and the ship-from location an offer needs3
Fulfillment policiesGET /sell/account/v1/fulfillment_policy
Payment policiesGET /sell/account/v1/payment_policy
Return policiesGET /sell/account/v1/return_policy
Browse · Live listings for comps — keyword or a photo3
Browse searchGET /buy/browse/v1/item_summary/search
Browse search imagePOST /buy/browse/v1/item_summary/search_by_image
Browse itemGET /buy/browse/v1/item/{itemId}
Marketing · Promoted Listings campaigns2
CampaignsGET /sell/marketing/v1/ad_campaign
Create a campaignPOST /sell/marketing/v1/ad_campaign

All 42 eBay endpoints →

eBay in other AI clients

Claude Code + eBayMCP server + skillClaude (desktop & claude.ai) + eBayconnectorChatGPT + eBayconnector · GPT actionCodex CLI + eBayMCP serverGemini CLI + eBayMCP serverCursor + eBayMCP serverVS Code (Copilot) + eBayMCP serverWindsurf + eBayMCP server

Grok Bot (xAI) with other apps

Hostinger363 endpointsPipedrive310 endpointsTelegram132 endpointsResend67 endpointsSquare57 endpointsLinkedIn50 endpointsSlack45 endpointsCRM35 endpointsFigma32 endpointsCloudConvert32 endpointsMicrosoft 36526 endpointsQuickBooks21 endpoints