0n3
MCP servers · Facebook Marketplace (partner) · connector

Connect Claude (desktop & claude.ai) to Facebook Marketplace (partner)

One line gives Claude (desktop & claude.ai) your Facebook Marketplace (partner) account as tools: 7 endpoints, sellers, items, read catalog, called with your own connection. No key in the prompt, a receipt for every call, revoke Claude (desktop & claude.ai)'s access alone any time.

Get the line for Claude (desktop & claude.ai)Connect Facebook Marketplace (partner) first

Three steps

  1. Create a free 0n3 account and connect Facebook Marketplace (partner). Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Claude (desktop & claude.ai). Add 0n3 as a custom connector; sign in once through the 0n door.
  3. Ask Claude (desktop & claude.ai): whoami. Then: "Sellers batch in Facebook Marketplace (partner)".
Claude desktop app and claude.ai
  1. Settings → Connectors → Add custom connector
  2. Name: 0n3 · URL: https://0n3.app/mcp
  3. Click Connect and sign in with your 0n account (email + password, or paste your 0n token)
  4. Turn the connector on in a chat and ask: "whoami"

This is the OAuth door: no token to paste, revoke it any time from 0n3 → Tokens.

The line above carries a placeholder; 0n3.app/install mints a real key named for Claude (desktop & claude.ai) and fills it in.

What Claude (desktop & claude.ai) can then do in Facebook Marketplace (partner)

Sellers · Partner sellers (seller_id, seller_name, ratings) — upload before their items2
Sellers batchPOST /{catalogId}/marketplace_partner_sellers_details
Sellers statusGET /{catalogId}/check_marketplace_partner_sellers_status
Items · Marketplace items via items_batch (PRODUCT_ITEM)2
Items batchPOST /{catalogId}/items_batch
Items statusGET /{catalogId}/check_batch_request_status
Read catalog · The catalog and its products2
Get a catalogGET /{catalogId}
List business catalogsGET /{businessId}/owned_product_catalogs
More · Everything else this app exposes.1
List productsGET /{catalogId}/products

Facebook Marketplace (partner) in other AI clients

Claude Code + Facebook Marketplace (partner)MCP server + skillChatGPT + Facebook Marketplace (partner)connector · GPT actionCodex CLI + Facebook Marketplace (partner)MCP serverGemini CLI + Facebook Marketplace (partner)MCP serverCursor + Facebook Marketplace (partner)MCP serverVS Code (Copilot) + Facebook Marketplace (partner)MCP serverWindsurf + Facebook Marketplace (partner)MCP server

Claude (desktop & claude.ai) with other apps

Hostinger363 endpointsTelegram132 endpointsPipedrive95 endpointsResend67 endpointsSquare57 endpointsLinkedIn50 endpointsSlack45 endpointseBay42 endpointsFigma32 endpointsCloudConvert32 endpointsCRM24 endpointsQuickBooks21 endpoints