Worth
by @a21ai · io.github.a21ai/worth
Find what anything is worth: resale value, used and new prices, and where to buy or sell it.
- Category
- Developer tools
- Connection
- Remote (HTTP)
- Tools
- 3 reported
- Status
- Online
Connect it to your AI
Claude Code
claude mcp add --transport http worth https://worth.area21.io/mcp?src=mcp_registryClaude, ChatGPT, Cursor and other apps
Add it as a custom connector with this URL (Streamable HTTP):
https://worth.area21.io/mcp?src=mcp_registryCursor, VS Code and other apps (mcp.json)
{
"mcpServers": {
"worth": {
"url": "https://worth.area21.io/mcp?src=mcp_registry"
}
}
}Tools it offers
3 tools, as the server itself reported during our check on Oct 31, 2026.
price_itemPrices one item from a photo or a name. Returns what it is worth as a range, the new and used asking prices, resale, and a confidence.compare_pricesNew, used, and resale prices for one named item. estimate_low and estimate_high carry a range already priced, or -1 when the title still needs a price.where_to_buy_or_sellMarketplace links to buy one named item new, buy it used, or sell it. Returns marketplace links for the item; these are the only URLs this tool provides. Links are Worth tracking links and may carry affiliate tags.
Questions
What is the Worth MCP server?
Find what anything is worth: resale value, used and new prices, and where to buy or sell it. It is made by @a21ai and listed in the official MCP Registry as io.github.a21ai/worth. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.
How do I add Worth to Claude?
In the Claude app or claude.ai, open Settings, then Connectors, choose "Add custom connector" and paste https://worth.area21.io/mcp?src=mcp_registry. In Claude Code, run: claude mcp add --transport http worth https://worth.area21.io/mcp?src=mcp_registry
How do I add Worth to ChatGPT?
ChatGPT can use remote MCP servers as connectors. In ChatGPT settings, under Apps and Connectors, turn on developer mode if asked, create a new connector and paste https://worth.area21.io/mcp?src=mcp_registry.
How do I add Worth to Cursor?
Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "worth": { "url": "https://worth.area21.io/mcp?src=mcp_registry" } } }
Does Worth work right now?
Yes. It responded when we last checked on 31 Oct 2026. We check remote MCP servers every day.
What can Worth do?
It gives your AI 3 tools, including price_item, compare_prices, where_to_buy_or_sell. The full list is on this page.
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Markdown (GitHub README)
[](https://chen.media/mcp/github-a21ai-worth)HTML (switches to dark mode on its own)
<a href="https://chen.media/mcp/github-a21ai-worth"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/github-a21ai-worth.svg?theme=dark"><img src="https://chen.media/mcp/badge/github-a21ai-worth.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>More in Developer tools
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