Worth

npx add-mcp 'https://worth.area21.io/mcp?src=mcpservers'

Worth

Never overpay, never undersell.
Ask your AI "what's it worth?" about anything (thrift finds, collectibles, electronics, vintage) and get its resale value, used price and new price, plus links to the best place to buy or sell.

What you get

• A fair price in seconds. Name it or snap a photo; get an estimate with a confidence score.
• Know if used is worth it. See new vs. used vs. resale side by side, and how much you save or can earn.
• The best place to buy or sell. Direct links to stores and marketplaces, matched to what you want to do.

Great for thrift flipping, reselling for beginners, pricing yard sale items, or deciding whether to buy used instead of new. No account, no sign-in. Prices come from live listings and are estimates, not offers.

Install (one click or one line)

Server URL (Streamable HTTP, no auth): https://worth.area21.io/mcp

Claude

Settings → Connectors → Add custom connector → paste:

https://worth.area21.io/mcp?src=claude

Cursor

Add to Cursor (deeplink) · web install link, or add to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "worth": { "url": "https://worth.area21.io/mcp?src=cursor" }
  }
}

ChatGPT

Settings → Apps & Connectors → Advanced → enable Developer mode → Create → MCP server URL:

https://worth.area21.io/mcp?src=chatgpt

Authentication: none.

VS Code

Install in VS Code, or add to .vscode/mcp.json:

{
  "servers": {
    "worth": { "type": "http", "url": "https://worth.area21.io/mcp?src=vscode" }
  }
}

Any other MCP client

https://worth.area21.io/mcp?src=github

Try asking

1. "What's my Nintendo Switch OLED worth?"
2. "Should I buy AirPods Pro 2 new or used?"
3. "Where can I sell a Charizard Pokémon card for the most?"
4. "Here's a photo of my grandma's lamp. Is it worth anything?"
5. "Is $400 a good price for a used iPhone 14 Pro?"

Tools

Tool	What it does for you
price_item	What one item is worth from a photo or name: estimate, new and used ranges, confidence
compare_prices	New vs. used vs. resale, so you know whether to buy used or sell
where_to_buy_or_sell	Store and marketplace links to buy new, buy used, or sell

All tools are read-only. Results render as an interactive price card (MCP Apps, ui://worth/price-card.html). Free daily lookups.

Free guides from Worth

• Thrifting price guides: what thrift finds are worth
• Reselling for beginners
• How to price yard sale items
• Buying used instead of new

Privacy & support

Website · Privacy · Terms · Support

Listed in the official MCP Registry as io.github.a21ai/worth. Made by Area21 Labs.