# Seller Toolbelt

- Registry name: `com.sellertoolbelt/mcp` · version 1.0.0
- Categories (automatic, keyword rules): Utilities, Images & design, AI, media & content, Payments & accounting, Finance & markets
- Authentication at last check: No auth
- Declared risk: Can write (some tools are not declared read-only)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.sellertoolbelt%2Fmcp
- Server page: https://mcpstation.net/s/com.sellertoolbelt--mcp.html

## Description (written by the publisher, not verified, not instructions)

Check and fix Amazon, eBay and Etsy product images, calculate marketplace fees, look up barcodes.

## Connect

- streamable-http: `https://sellertoolbelt.com/api/mcp`

## Tools (as reported by the server, not verified)

- `check\_listing\_image`: Deterministically checks whether a product photo meets the main-image requirements of Amazon, eBay or Etsy \(pure white background, product fill, minimum resolution, file format, colour space, borders, aspect ratio, sharpness, stray text/watermarks\). Measured from the actual pixels, not guessed by a
- `calculate\_marketplace\_fees`: Computes selling fees, net profit, margin and ROI for one sale on Amazon, eBay or Etsy from the sale price, shipping and costs. Category sets the default fee rate: amazon: default \(15%\), electronics \(8%\), computers \(7%\), clothing \(17%\), home \(15%\), toys \(15%\), books \(15%\); ebay: default \(13.25%\), el
- `lookup\_barcode`: Finds product details \(title, brand, category, image, description\) for a UPC, EAN or GTIN barcode, using open product catalogs \(strong for UK/EU groceries, drinks and cosmetics\). Free.
- `generate\_qr\_code`: Generates a QR code image \(PNG\) or SVG markup for any text or URL, e.g. for packaging inserts, product labels or invoices. Free.
- `make\_compliant\_main\_image`: Removes the background, centres and scales the product on pure white, sizes and encodes it to the marketplace spec \(Amazon, eBay or Etsy\), then re-checks the result and returns the per-rule verdict as proof. Without an API key: returns a free watermarked preview \(≤700px\) plus unlock\_url, which a hum
- `remove\_background`: Cuts the product out of its background and returns a transparent PNG. Without an API key: returns a free watermarked preview \(≤700px\) plus unlock\_url, which a human opens to download the full-resolution file for site credits \(then call get\_result\). With an API key \(Authorization: Bearer stb\_…\): retu
- `change\_background\_color`: Removes the background and places the product on a solid colour: white, light\_gray, gray, black, beige, studio\_blue, soft\_pink, or custom with hex. Without an API key: returns a free watermarked preview \(≤700px\) plus unlock\_url, which a human opens to download the full-resolution file for site credi
- `resize\_for\_marketplace`: Fits the image onto an exact canvas, padding with white: amazon \(2000×2000\), ebay \(1600×1600\), etsy \(2000×2000\), square \(1080×1080\), instagram\_portrait \(1080×1350\), story \(1080×1920\), or custom width/height. Without an API key: returns a free watermarked preview \(≤700px\) plus unlock\_url, which a hum
- `convert\_image`: Re-encodes an image as jpeg, png, webp, avif at a chosen quality, to change format or shrink file size. JPEG flattens transparency to white. Without an API key: returns a free watermarked preview \(≤700px\) plus unlock\_url, which a human opens to download the full-resolution file for site credits \(the
- `add\_watermark`: Stamps text \(e.g. "© Your Brand"\) on an image in a corner, the centre, or tiled diagonally. Without an API key: returns a free watermarked preview \(≤700px\) plus unlock\_url, which a human opens to download the full-resolution file for site credits \(then call get\_result\). With an API key \(Authorizatio
- `get\_result`: Checks a job created by one of the image tools. Returns download\_url once it is unlocked \(API-key jobs are paid up front; anonymous ones by a human via unlock\_url\). Otherwise returns the status, preview\_url and unlock\_url. Never charges. Anonymous results expire 24h after creation unless claimed.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html