Search all secondhand marketplaces from Claude or ChatGPT

Find deals across Facebook Marketplace, eBay, Depop, and Poshmark without leaving your AI assistant.

How it works

Three steps to smarter secondhand shopping

1

Connect

Add Secondhand MCP as a connector in Claude or ChatGPT. One-time setup, takes 30 seconds.

2

Search naturally

Just ask your AI to find items. "Search for a mid-century coffee table under $200 in SF."

3

Find deals

Get real-time results from multiple marketplaces, with full details, photos, and seller info.

Simple pricing

Start for free. Upgrade when you need more.

Free

$0
Forever free
  • Searches / month 10
  • Listing details / month 25
  • Deep research credits 25
  • Facebook Marketplace
  • Depop
  • Poshmark
  • eBay (BYOK)
  • Search all at once
Get Started Free

Pro+

$10/mo
For power users
  • Searches / month 2,000
  • Listing details / month 5,000
  • Deep research credits 1,000
  • Facebook Marketplace
  • Depop
  • Poshmark
  • eBay (BYOK)
  • Search all at once
Subscribe $10/mo

Get started in 30 seconds

Connect your AI assistant and start finding deals

Claude (claude.ai)

  1. Go to Settings in Claude
  2. Click Connectors
  3. Click Add custom connector
  4. Paste this URL:
    https://secondhandmcp.com/mcp
  5. Complete the sign-in flow
  6. Start searching!

ChatGPT (chatgpt.com)

  1. Go to Settings → Apps & Connectors → Advanced settings
  2. Toggle Developer mode on
  3. Go back to Settings → Apps & Connectors and click Create
  4. Fill in the fields:
    • Name: Secondhand MCP
    • URL: https://secondhandmcp.com/mcp
    • Description: Search secondhand marketplaces like Facebook Marketplace, eBay, Depop, and Poshmark
    • Authentication: OAuth
    • Icon (optional): Download logo
  5. Click Create, then complete the sign-in flow
  6. In a new chat, click +More → select Secondhand MCP