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Check if a used listing has a fair price

The listing next to recent sold prices and the new price, with red flags and questions for the seller.

  • You start it: When you start it
Use in CuiarRun from your AI agent

What it does

The task

Open the listing at listing url and read the model, the age, the condition and the price. Find at least 10 sold listings of the same model on eBay and other marketplaces from the last 90 days, and today's new price. Say if the price is low, fair or high, and suggest an offer. List the red flags in the listing and the known faults of this model from owner forums. Write 5 questions to ask the seller before I buy. Do not contact the seller.

  • It works in eBay and any marketplace, in the workspace you pick, and signs in with passwords from your Cuiar vault.
  • It runs once, when you start it.

What you give it

BlankWhat to giveExample
listing urlThe link to the listingwww.ebay.de/itm/396118204513

What you get back

An example run with the example values above. Your run uses your own data.

Listing: Kova Espresso Pro, 2 years old, 'works perfectly', 420 EUR

Sold in 90 days: 14, median 365 EUR (range 290 to 450 EUR). New price today: 699 EUR

Verdict: a little high. Offer 360 EUR, and go up to 390 EUR.

Red flags: no photo of the brew head, no receipt, 'descaled once'

Known faults: a loud pump after about 3 years, a leaking steam valve (owner forum threads, links)

Ask the seller:

1. How often did you descale it, and with what?

2. Can I see it make an espresso before I pay?

3. Do you have the receipt or the warranty card?

4. Was it ever repaired?

5. Are the original portafilter and baskets included?

Run it in Cuiar

  1. 01

    Open it

    Click Use in Cuiar on this page. The side panel opens with the task in the composer.

  2. 02

    Fill in the blank

    Type listing url. Tab moves to the next blank.

  3. 03

    Run it

    Run sends it to the agent. Follow each step in the panel, and stop it at any time.

From the terminal

cuiar exec "Open the listing at www.ebay.de/itm/396118204513 and read the model, the age, the condition and the price. Find at least 10 sold listings of the same model on eBay and other marketplaces from the last 90 days, and today's new price. Say if the price is low, fair or high, and suggest an offer. List the red flags in the listing and the known faults of this model from owner forums. Write 5 questions to ask the seller before I buy. Do not contact the seller."

Run it from your AI agent

Claude Code, Codex, Cursor and other MCP clients reach Cuiar at https://mcp.cuiar.com/mcp. Add the server one time, then ask for the task in plain words, or call run_task yourself.

1. Add Cuiar to Claude Code

claude mcp add --transport http cuiar https://mcp.cuiar.com/mcp

2. Ask your agent

Use the Cuiar tool run_task to run my "Check if a used listing has a fair price" template with listing url = www.ebay.de/itm/396118204513.

Setup for other agents: AI agents.

The tool call

{
  "name": "run_task",
  "arguments": {
    "task": "Open the listing at www.ebay.de/itm/396118204513 and read the model, the age, the condition and the price. Find at least 10 sold listings of the same model on eBay and other marketplaces from the last 90 days, and today's new price. Say if the price is low, fair or high, and suggest an offer. List the red flags in the listing and the known faults of this model from owner forums. Write 5 questions to ask the seller before I buy. Do not contact the seller."
  }
}

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