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

Connect Codex CLI to Facebook Marketplace (partner)

One line gives Codex CLI 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 Codex CLI's access alone any time.

Get the line for Codex CLIConnect 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 Codex CLI. OpenAI's terminal agent reads 0n3 over Streamable HTTP with a token from your environment.
  3. Ask Codex CLI: whoami. Then: "Sellers batch in Facebook Marketplace (partner)".
Put the token in your environment
export ON3_TOKEN="<your 0n token>"

Add it to your shell profile so Codex finds it next time.

The line above carries a placeholder; 0n3.app/install mints a real key named for Codex CLI and fills it in.

What Codex CLI 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 + skillClaude (desktop & claude.ai) + Facebook Marketplace (partner)connectorChatGPT + Facebook Marketplace (partner)connector · GPT actionGemini CLI + Facebook Marketplace (partner)MCP serverCursor + Facebook Marketplace (partner)MCP serverVS Code (Copilot) + Facebook Marketplace (partner)MCP serverWindsurf + Facebook Marketplace (partner)MCP server

Codex CLI with other apps

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