Worth
Find resale value, used and new prices, and where to buy or sell anything.
Prices items from photos or names, showing resale value, new and used asking prices, and confidence levels. Finds marketplace links to buy new or used, or to sell items online.
Try asking Muse: "What's my used laptop worth and where can I sell it?"
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Source: Found in the official MCP Registry (io.github.a21ai/worth) · First listed October 29, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 1 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://worth.area21.io/mcp?src=mcp_registryNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Worth is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://worth.area21.io/mcp?src=mcp_registryWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1132ms. Worked in n/a of checks over 30 days.
Screening · October 29, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 3
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. Each link is a Worth tracking URL.Link
https://worth.area21.io/mcp?src=mcp_registryQuestions about Worth in Muse
How do I connect Worth to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Worth to help me. It is a free service with an MCP server at https://worth.area21.io/mcp?src=mcp_registry. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Worth working right now?
At the last check (October 29, 2026, 18:41 UTC) the endpoint was working, answering in 1132ms. It is checked every 15 minutes.
Is Worth safe to connect to Muse?
It was screened on October 29, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Worth do in Muse?
It exposes 3 tools, including price_item, compare_prices, where_to_buy_or_sell. For example, you could ask Muse: "What's my used laptop worth and where can I sell it?"
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This listing was added from public sources (Found in the official MCP Registry (io.github.a21ai/worth)). If you build Worth, claim it to correct the details and get your badge.
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