Secondhand MCP
Search Facebook Marketplace, eBay, Depop and Poshmark from your assistant — one marketplace or all of them at once.
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What it can do
- Search Marketplace: Search live listings on secondhand marketplaces. Choose the marketplace that fits what the user is looking for: • facebook — local pickup: furniture, appliances, tools, bikes, baby
- Get Listing Details: Get full details for a specific listing using an ID from search results: description, all photos, location, seller info, shipping. Always show the user the listing url alongside t
- List Marketplaces: List all available marketplaces and their status for the current user. Shows which marketplaces are accessible on the current plan and whether eBay API credentials have been configu
What data it sees
Do you need an account
No: the server works without sign-in
Search Facebook Marketplace, eBay, Depop and Poshmark from your assistant — one marketplace or all of them at once.
Filter by price, condition, size, brand and colour, then pull the full listing: every photo, seller details, location, and a link straight to it.
Hosted, so there's nothing to install and no browser running in the background. Free tier included; eBay uses your own API keys.
Server tool list (8)
Raw names from tools/list. Only developers need these.
| search_marketplace | Search live listings on secondhand marketplaces. Choose the marketplace that fits what the user is looking for: • facebook — local pickup: furniture, appliances, tools, bikes, baby gear, anything bulky or cheap to buy nearby. Requires `location` as "City, ST". • ebay — collectibles, electronics, parts, media, trading cards, and anything shipped nationwide. Best for finding a specific model or comparing prices. • depop — vintage, streetwear, y2k and secondhand fashion, skewing younger. • poshmark — brand-name clothing, shoes, handbags and accessories. • all — searches every marketplace at once and compares results (Pro+ plans). Every listing includes its direct url. Always give the user each listing you mention as a clickable link — never make them ask for it — passing each url through as returned. eBay urls carry a disclosed affiliate parameter that supports this service at no cost to the user. When the user names a marketplace, use it. When they describe an item instead, pick by intent from the list above, and prefer facebook when the request is local or the item is bulky. All marketplaces work without setup. |
| get_listing_details | Get full details for a specific listing using an ID from search results: description, all photos, location, seller info, shipping. Always show the user the listing url alongside the details, without being asked. Photos: by default (imageMode:"urls") you get direct full-resolution CDN image URLs to fetch yourself — most reliable, since some CDNs block server-side fetches. Set imageMode:"inline" (or includeImages:true) to have the server fetch the photos and return them as base64 image blocks inline. Use imageSize to trade resolution for payload and maxImages to cap the count. |
| list_marketplaces | List all available marketplaces and their status for the current user. Shows which marketplaces are accessible on the current plan and whether eBay API credentials have been configured. |
| redeem_code | Redeem a Secondhand MCP promo code on the current user's account (e.g. a free-trial code). Takes effect immediately — upgraded limits and marketplaces apply from the next tool call. Only affects the user's own Secondhand MCP account; never touches any marketplace. |
| search | Search all accessible secondhand marketplaces at once (deep research). Returns results whose IDs (marketplace:listingId) can be passed to the fetch tool for full listing details. Counts against deep research quota. |
| deep_research_search | Deprecated alias of search; use search. Search all accessible secondhand marketplaces at once (deep research). Returns results whose IDs (marketplace:listingId) can be passed to the fetch tool for full listing details. Counts against deep research quota. |
| fetch | Fetch full listing details for a result ID returned by the search tool. ID format: marketplace:listingId (e.g., "facebook:12345" or "ebay:v1|123|456"). |
| deep_research_fetch | Deprecated alias of fetch; use fetch. Fetch full listing details for a result ID returned by the search tool. ID format: marketplace:listingId (e.g., "facebook:12345" or "ebay:v1|123|456"). |