Skip to content
Agentmart
Submit a tool

Seller Toolbelt

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

Connector by sellertoolbelt.comOfficial · Domain verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)
Write a review

Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/sellertoolbelt-com-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://sellertoolbelt.com/api/mcp Remote (HTTP)

Get the weekly diff

The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.

We use your email only for this newsletter. Privacy

About

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

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
5 read · 3 write · 3 delete
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 11

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 5 · Look things up without changing anything.

  • calculate_marketplace_fees
  • check_listing_image
  • generate_qr_code
  • get_result
  • lookup_barcode

Write 3 · Create, change, send or run things.

  • add_watermark
  • convert_image
  • resize_for_marketplace

Delete 3 · Delete, drop, revoke or wipe things.

  • change_background_color
  • make_compliant_main_image
  • remove_background

Network hosts it talks to 1

  • sellertoolbelt.com · found in remote endpoint, install command

Tools (11)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • add_watermarkAdd a text watermark to an image

    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 (Authorization: Bearer stb_…): returns download_url for the full-resolution file directly and charges the key owner's credits when the job starts, refunded automatically if processing fails. Retrying a call creates and charges a new job — use get_result to fetch an earlier one.

  • calculate_marketplace_feesCalculate marketplace fees and profitread-only

    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%), electronics (9%), books (14.95%), clothing (13.25%); etsy: default (6.5%). Rates are 2026 estimates and vary by region; pass fee_rate_percent to override. Currency-agnostic. Free.

  • change_background_colorPut a product on a solid background colour

    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 credits (then call get_result). With an API key (Authorization: Bearer stb_…): returns download_url for the full-resolution file directly and charges the key owner's credits when the job starts, refunded automatically if processing fails. Retrying a call creates and charges a new job — use get_result to …

  • check_listing_imageCheck a product image against marketplace rulesread-only

    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 vision model. Returns pass / warn / fail with a reason per rule. Use before uploading a listing image. Free.

  • convert_imageConvert or compress an 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 (then call get_result). With an API key (Authorization: Bearer stb_…): returns download_url for the full-resolution file directly and charges the key owner's credits when the job starts, refunded automatically if processing fails. Retrying a call creates and charges a new job — use get_result to fetch a…

  • generate_qr_codeGenerate a QR coderead-only

    Generates a QR code image (PNG) or SVG markup for any text or URL, e.g. for packaging inserts, product labels or invoices. Free.

  • get_resultGet the status or download link of an image jobread-only

    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.

  • lookup_barcodeLook up a product by barcoderead-only

    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.

  • make_compliant_main_imageTurn a product photo into a compliant marketplace 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 human opens to download the full-resolution file for site credits (then call get_result). With an API key (Authorization: Bearer stb_…): returns download_url for the full-resolution file directly and charges the key owner's credits when the job starts, refunded automatically if processing fails. Retryi…

  • remove_backgroundRemove the background from a product photo

    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_…): returns download_url for the full-resolution file directly and charges the key owner's credits when the job starts, refunded automatically if processing fails. Retrying a call creates and charges a new job — use get_result to fetch an earlier one.

  • resize_for_marketplaceResize an image for a marketplace or social format

    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 human opens to download the full-resolution file for site credits (then call get_result). With an API key (Authorization: Bearer stb_…): returns download_url for the full-resolution file directly and charges the key owner's credits when the job starts, refunded automatically if processing fails. Retryi…

Signals

Last release
Oct 18, 2026 (11 days ago)

Details

Registry name
com.sellertoolbelt/mcp
Version
1.0.0
Auth
Auth not stated
License
License unknown
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Cite this page

Seller Toolbelt MCP server. Agent Mart. https://agentmart.dev/connectors/sellertoolbelt-com-mcp (last updated 2026-10-24)