Case study: Parsync product

FlipTide: listing ops, pared down to the photo.

High-volume resellers don't have a selling problem. They have a typing problem. We cut the listing process back to the one step that needs a human (taking the photo) and synced everything after it.

Try FlipTide Read the process
Client profile
Resellers moving hundreds to thousands of used apparel and sneakers a month
Process
Pare the listing workflow, then automate what survived
Built as
MCP server: runs inside Cursor or Claude, no new app
Status
Shipped and live on eBay

What we found

A reseller with a thousand items a month is not running a store. They are running a data-entry department with one employee.

Shoot, rename, sort, retype what the photos already show, comp tabs, aspect fields, repeat for every item. Every tool we saw sped up the form. Nobody asked how much of the work needs a person at all.

Pare

The photos already contain the listing. So why is anyone typing it?

Steps we removed

  • File renaming. The filename was never the data. The image is.
  • Manual photo sorting. Grouping shots into items is pattern matching, not judgement.
  • Retyping attributes. Brand, size, colour, and condition are visible in the shots.
  • Comp tabs. Pricing research is a query, not an afternoon.
  • Aspect roulette. Missing required fields should fail before eBay, with the field named.

Steps we kept

  • Shooting the item. Only a human can put the flaw in frame.
  • Approving the draft. The seller's name is on the listing. They read it before it goes.
  • Setting the floor. Comps advise. The seller decides what they won't go under.
  • Pressing publish. Nothing goes live on an eBay account without a confirmed instruction.

Four steps left. Everything else was habit wearing the costume of work.

Sync

What survived, we automated in lockstep. A folder of photos in, live listings out.

Connect the store

Once, in the browser. eBay sign-in, merchant location, and the three store policies. No API keys pasted into an editor, ever.

Photos in, items out

Point FlipTide at the shoot folder. Vision groups shots into items, drafts title and aspects from the images, and returns sold comps with the price.

Read, then publish

The seller reviews, edits anything, and confirms. Publishing takes an explicit confirm. Missing required aspects fail before eBay sees them, with the field named.

Try FlipTide: add the MCP server

No new app. Copy the config into Cursor, or paste the URL into Claude. Listing tools show up in the client you already have open.

Cursor: merge into mcp.json 
{
  "mcpServers": {
    "fliptide": {
      "url": "https://fliptide.parsync.io/mcp"
    }
  }
}

Cursor

  1. Open Cursor Settings, then MCP, and edit your config (or open ~/.cursor/mcp.json).
  2. Merge the block above under mcpServers. Keep your other servers; add or replace the fliptide entry.
  3. Save and reload if tools do not appear. Sign in to eBay when the assistant prompts you.

Claude

  1. Add a custom remote MCP server in Claude settings (Connectors or MCP).
  2. Paste: https://fliptide.parsync.io/mcp
  3. After sign-in, ask the assistant to run connect_ebay or ensure_account_ready.

How it's priced

You are billed for listings, not for tokens. A listing counts once and covers grouping, the draft, and the comps. Publishing is always free, and so is ending a listing.

Trial

$29

25 listings

First 3 listings are free. You see a real draft and real comps before you pay anything.

Overflow pack

$89

100 listings

One-off top-up for a heavy week. No subscription required.

Monthly

$149

500 listings / month

Then $0.30 per extra listing.

Monthly

$269

1,000 listings / month

Then $0.27 per extra listing.

Most resellers land here

Monthly

$449

2,000 listings / month

Then $0.22 per extra listing.

You pay for listings, not tokens. Publishing and ending a listing are free. Overage bills at your plan rate.

Same process, your operation.

Book a 30-minute process audit. We'll walk one workflow end to end and show you what shouldn't be there.

FlipTide is Parsync's method on our own bill. If your operation accumulated the same way, we start with one workflow, walked end to end.

Book a process audit info@parsync.io